diff --git a/Jenkinsfile2 b/Jenkinsfile2
index c9c9c3a7ca..49e13b7831 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -8,135 +8,202 @@ def skipbuild=0
 def win_stop=0
 
 def abortPreviousBuilds() {
-  def currentJobName = env.JOB_NAME
-  def currentBuildNumber = env.BUILD_NUMBER.toInteger()
-  def jobs = Jenkins.instance.getItemByFullName(currentJobName)
-  def builds = jobs.getBuilds()
+    def currentJobName = env.JOB_NAME
+    def currentBuildNumber = env.BUILD_NUMBER.toInteger()
+    def jobs = Jenkins.instance.getItemByFullName(currentJobName)
+    def builds = jobs.getBuilds()
 
-  for (build in builds) {
-    if (!build.isBuilding()) {
-      continue;
+    for (build in builds) {
+        if (!build.isBuilding()) {
+            continue;
+        }
+
+        if (currentBuildNumber == build.getNumber().toInteger()) {
+            continue;
+        }
+
+        build.doKill()    //doTerm(),doKill(),doTerm()
     }
-
-    if (currentBuildNumber == build.getNumber().toInteger()) {
-      continue;
-    }
-
-    build.doKill()    //doTerm(),doKill(),doTerm()
-  }
 }
 //  abort previous build
 abortPreviousBuilds()
 def abort_previous(){
-  def buildNumber = env.BUILD_NUMBER as int
-  if (buildNumber > 1) milestone(buildNumber - 1)
-  milestone(buildNumber)
+    def buildNumber = env.BUILD_NUMBER as int
+    if (buildNumber > 1) milestone(buildNumber - 1)
+    milestone(buildNumber)
 }
 def pre_test(){
-    sh'hostname'
+    sh 'hostname'
     sh '''
-    date
-    sudo rmtaos || echo "taosd has not installed"
+        date
+        sudo rmtaos || echo "taosd has not installed"
     '''
     sh '''
-    killall -9 taosd ||echo "no taosd running"
-    killall -9 gdb || echo "no gdb running"
-    killall -9 python3.8 || echo "no python program running"
-    cd ${WKC}
+        killall -9 taosd ||echo "no taosd running"
+        killall -9 gdb || echo "no gdb running"
+        killall -9 python3.8 || echo "no python program running"
+        cd ${WKC}
     '''
     script {
-      if (env.CHANGE_TARGET == 'master') {
-        sh '''
-        cd ${WKC}
-        git checkout master
-        '''
+        if (env.CHANGE_TARGET == 'master') {
+            sh '''
+                cd ${WKC}
+                git checkout master
+            '''
+        } else if(env.CHANGE_TARGET == '2.0') {
+            sh '''
+                cd ${WKC}
+                git checkout 2.0
+            '''
+        } else if(env.CHANGE_TARGET == '3.0') {
+            sh '''
+                cd ${WKC}
+                git checkout 3.0
+                [ -d contrib/bdb ] && cd contrib/bdb && git clean -fxd && cd ../..
+            '''
+        } else {
+            sh '''
+                cd ${WKC}
+                git checkout develop
+            '''
         }
-      else if(env.CHANGE_TARGET == '2.0'){
-        sh '''
-        cd ${WKC}
-        git checkout 2.0
-        '''
-      }
-      else if(env.CHANGE_TARGET == '3.0'){
-        sh '''
-        cd ${WKC}
-        git checkout 3.0
-        [ -d contrib/bdb ] && cd contrib/bdb && git clean -fxd && cd ../..
-        '''
-      }
-      else{
-        sh '''
-        cd ${WKC}
-        git checkout develop
-        '''
-      }
     }
-    sh'''
-    cd ${WKC}
-    git pull >/dev/null
-    git fetch origin +refs/pull/${CHANGE_ID}/merge
-    git checkout -qf FETCH_HEAD
-    git submodule update --init --recursive
+    sh '''
+        cd ${WKC}
+        git pull >/dev/null
+        git fetch origin +refs/pull/${CHANGE_ID}/merge
+        git checkout -qf FETCH_HEAD
+        git submodule update --init --recursive
     '''
-    sh'''
-    cd ${WKC}
-    export TZ=Asia/Harbin
-    date
-    rm -rf debug
-    mkdir debug
-    cd debug
-    cmake .. > /dev/null
-    make -j4> /dev/null
+    sh '''
+        cd ${WKC}
+        export TZ=Asia/Harbin
+        date
+        rm -rf debug
+        mkdir debug
+        cd debug
+        cmake .. > /dev/null
+        make -j4> /dev/null
     '''
-    sh'''
-    cd ${WKPY}
-    git reset --hard
-    git pull
-    pip3 install .
+    sh '''
+        cd ${WKPY}
+        git reset --hard
+        git pull
+        pip3 install .
+    '''
+    return 1
+}
+def pre_test_win(){
+    bat '''
+        hostname
+        date /t
+        time /t
+        taskkill /f /t /im python.exe
+        taskkill /f /t /im bash.exe
+        cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+        rd /s /Q C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine\\debug
+        exit 0
+    '''
+    bat '''
+        cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+        git reset --hard
+        git fetch || git fetch
+        git checkout -f
+    '''
+    script {
+        if (env.CHANGE_TARGET == 'master') {
+            bat '''
+                cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+                git checkout master
+            '''
+        } else if(env.CHANGE_TARGET == '2.0') {
+            bat '''
+                cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+                git checkout 2.0
+            '''
+        } else if(env.CHANGE_TARGET == '3.0') {
+            bat '''
+                cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+                git checkout 3.0
+            '''
+        } else {
+            bat '''
+                cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+                git checkout develop
+            '''
+        }
+    }
+    bat '''
+        cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+        git branch
+        git pull || git pull
+        git fetch origin +refs/pull/%CHANGE_ID%/merge
+        git checkout -qf FETCH_HEAD
+    '''
+}
+def pre_test_build_win() {
+    bat '''
+        echo "building ..."
+        time /t
+        cd C:\\workspace\\%EXECUTOR_NUMBER%\\TDengine
+        mkdir debug
+        cd debug
+        call "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Community\\VC\\Auxiliary\\Build\\vcvarsall.bat" x64
+        set CL=/MP8
+        cmake .. -G "NMake Makefiles JOM"
+        jom -j 4 || exit 8
+        time /t
     '''
     return 1
 }
 
 pipeline {
-  agent none
-  options { skipDefaultCheckout() } 
-  environment{
-      WK = '/var/lib/jenkins/workspace/TDinternal'
-      WKC= '/var/lib/jenkins/workspace/TDengine'
-      WKPY= '/var/lib/jenkins/workspace/taos-connector-python'
-  }
-  stages {
-      stage('pre_build'){
-          agent{label " slave3_0 || slave15 || slave16 || slave17 "}
-          options { skipDefaultCheckout() } 
-          when {
-              changeRequest()
-          }
-          steps {
-            script{
-              abort_previous()
-              abortPreviousBuilds()
+    agent none
+    options { skipDefaultCheckout() } 
+    environment{
+        WK = '/var/lib/jenkins/workspace/TDinternal'
+        WKC= '/var/lib/jenkins/workspace/TDengine'
+        WKPY= '/var/lib/jenkins/workspace/taos-connector-python'
+    }
+    stages {
+        stage('run test') {
+            parallel {
+                stage('windows test') {
+                    agent {label " windows11 "}
+                    steps {
+                        pre_test_win()
+                        pre_test_build_win()
+                    }
+                }
+                stage('linux test') {
+                    agent{label " slave3_0 || slave15 || slave16 || slave17 "}
+                    options { skipDefaultCheckout() } 
+                    when {
+                        changeRequest()
+                    }
+                    steps {
+                        timeout(time: 45, unit: 'MINUTES'){
+                            pre_test()
+                            sh '''
+                                cd ${WKC}/debug
+                                ctest -VV
+                            '''
+                            sh '''
+                                export LD_LIBRARY_PATH=${WKC}/debug/build/lib
+                                cd ${WKC}/tests/system-test
+                                ./fulltest.sh
+                            '''
+                            sh '''
+                                cd ${WKC}/tests
+                                ./test-all.sh b1fq
+                            '''
+                        }
+                    }
+                }
             }
-            timeout(time: 45, unit: 'MINUTES'){
-              pre_test()
-              sh'''
-              cd ${WKC}/debug
-              ctest -VV
-              '''
-              sh'''
-              export LD_LIBRARY_PATH=${WKC}/debug/build/lib
-              cd ${WKC}/tests/system-test
-              ./fulltest.sh
-              '''
-              sh'''
-              cd ${WKC}/tests
-              ./test-all.sh b1fq
-              '''
-            }
-          }
-      }
-  }
-  post {  
+        }
+    }
+    post {  
         success {
             emailext (
                 subject: "PR-result: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]' SUCCESS",
diff --git a/cmake/cmake.define b/cmake/cmake.define
index 1655154506..d1d9266bca 100644
--- a/cmake/cmake.define
+++ b/cmake/cmake.define
@@ -2,6 +2,8 @@ cmake_minimum_required(VERSION 3.16)
 
 set(CMAKE_VERBOSE_MAKEFILE OFF)
 
+SET(BUILD_SHARED_LIBS "OFF")
+
 #set output directory
 SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/build/lib)
 SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/build/bin)
diff --git a/example/src/tstream.c b/example/src/tstream.c
index 77a002499e..5bd833213d 100644
--- a/example/src/tstream.c
+++ b/example/src/tstream.c
@@ -81,9 +81,10 @@ int32_t create_stream() {
   /*const char* sql = "select min(k), max(k), sum(k) as sum_of_k from st1";*/
   /*const char* sql = "select sum(k) from tu1 interval(10m)";*/
   /*pRes = tmq_create_stream(pConn, "stream1", "out1", sql);*/
-  pRes = taos_query(
-      pConn,
-      "create stream stream1 trigger window_close as select min(k), max(k), sum(k) as sum_of_k from tu1 interval(10m)");
+  pRes =
+      taos_query(pConn,
+                 "create stream stream1 trigger window_close as select _wstartts, min(k), max(k), sum(k) as sum_of_k "
+                 "from tu1 interval(10m)");
   if (taos_errno(pRes) != 0) {
     printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes));
     return -1;
diff --git a/include/common/tdatablock.h b/include/common/tdatablock.h
index 3a98102661..19b108dcbf 100644
--- a/include/common/tdatablock.h
+++ b/include/common/tdatablock.h
@@ -54,6 +54,11 @@ SEpSet getEpSet_s(SCorEpSet* pEpSet);
     BMCharPos(bm_, r_) |= (1u << (7u - BitPos(r_))); \
   } while (0)
 
+#define colDataSetNotNull_f(bm_, r_)                  \
+  do {                                                \
+    BMCharPos(bm_, r_) &= ~(1u << (7u - BitPos(r_)));  \
+  } while (0)
+
 #define colDataIsNull_var(pColumnInfoData, row) (pColumnInfoData->varmeta.offset[row] == -1)
 #define colDataSetNull_var(pColumnInfoData, row)  (pColumnInfoData->varmeta.offset[row] = -1)
 
@@ -63,16 +68,15 @@ SEpSet getEpSet_s(SCorEpSet* pEpSet);
 
 #define colDataGetNumData(p1_, r_) ((p1_)->pData + ((r_) * (p1_)->info.bytes))
 // SColumnInfoData, rowNumber
-#define colDataGetData(p1_, r_)                                        \
-  ((IS_VAR_DATA_TYPE((p1_)->info.type)) ?  colDataGetVarData(p1_, r_)  \
-                                        :  colDataGetNumData(p1_, r_))
+#define colDataGetData(p1_, r_) \
+  ((IS_VAR_DATA_TYPE((p1_)->info.type)) ? colDataGetVarData(p1_, r_) : colDataGetNumData(p1_, r_))
 
 static FORCE_INLINE bool colDataIsNull_s(const SColumnInfoData* pColumnInfoData, uint32_t row) {
-  if (pColumnInfoData->info.type == TSDB_DATA_TYPE_JSON){
-    if(colDataIsNull_var(pColumnInfoData, row)){
+  if (pColumnInfoData->info.type == TSDB_DATA_TYPE_JSON) {
+    if (colDataIsNull_var(pColumnInfoData, row)) {
       return true;
     }
-    char *data = colDataGetVarData(pColumnInfoData, row);
+    char* data = colDataGetVarData(pColumnInfoData, row);
     return (*data == TSDB_DATA_TYPE_NULL);
   }
 
@@ -80,7 +84,7 @@ static FORCE_INLINE bool colDataIsNull_s(const SColumnInfoData* pColumnInfoData,
     return false;
   }
 
-  if (pColumnInfoData->info.type== TSDB_DATA_TYPE_VARCHAR || pColumnInfoData->info.type == TSDB_DATA_TYPE_NCHAR) {
+  if (pColumnInfoData->info.type == TSDB_DATA_TYPE_VARCHAR || pColumnInfoData->info.type == TSDB_DATA_TYPE_NCHAR) {
     return colDataIsNull_var(pColumnInfoData, row);
   } else {
     if (pColumnInfoData->nullbitmap == NULL) {
@@ -132,7 +136,7 @@ static FORCE_INLINE void colDataAppendNULL(SColumnInfoData* pColumnInfoData, uin
 static FORCE_INLINE void colDataAppendNNULL(SColumnInfoData* pColumnInfoData, uint32_t start, size_t nRows) {
   if (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) {
     for (int32_t i = start; i < start + nRows; ++i) {
-      colDataSetNull_var(pColumnInfoData,i);  // it is a null value of VAR type.
+      colDataSetNull_var(pColumnInfoData, i);  // it is a null value of VAR type.
     }
   } else {
     for (int32_t i = start; i < start + nRows; ++i) {
@@ -228,6 +232,8 @@ void blockDebugShowData(const SArray* dataBlocks);
 int32_t buildSubmitReqFromDataBlock(SSubmitReq** pReq, const SArray* pDataBlocks, STSchema* pTSchema, int32_t vgId,
                                  tb_uid_t uid, tb_uid_t suid);
 
+SSubmitReq* tdBlockToSubmit(const SArray* pBlocks, const STSchema* pSchema);
+
 static FORCE_INLINE int32_t blockGetEncodeSize(const SSDataBlock* pBlock) {
   return blockDataGetSerialMetaSize(pBlock) + blockDataGetSize(pBlock);
 }
@@ -241,10 +247,10 @@ static FORCE_INLINE int32_t blockCompressColData(SColumnInfoData* pColRes, int32
 
 static FORCE_INLINE void blockCompressEncode(const SSDataBlock* pBlock, char* data, int32_t* dataLen, int32_t numOfCols,
                                              int8_t needCompress) {
-  int32_t* actualLen = (int32_t*) data;
+  int32_t* actualLen = (int32_t*)data;
   data += sizeof(int32_t);
 
-  uint64_t* groupId = (uint64_t*) data;
+  uint64_t* groupId = (uint64_t*)data;
   data += sizeof(uint64_t);
 
   int32_t* colSizes = (int32_t*)data;
diff --git a/include/common/tdataformat.h b/include/common/tdataformat.h
index 36286d5944..11d0f34c45 100644
--- a/include/common/tdataformat.h
+++ b/include/common/tdataformat.h
@@ -61,11 +61,11 @@ extern "C" {
 // ----------------- TSDB COLUMN DEFINITION
 #pragma pack(push, 1)
 typedef struct {
-  col_id_t colId;        // column ID(start from PRIMARYKEY_TIMESTAMP_COL_ID(1))
-  int32_t  type : 8;     // column type
-  int32_t  bytes : 24;   // column bytes (0~16M)
-  int32_t  flags : 8;    // flags: 0 no index, 1 SCHEMA_SMA_ON, 2 SCHEMA_IDX_ON
-  int32_t  offset : 24;  // point offset in STpRow after the header part.
+  col_id_t colId;   // column ID(start from PRIMARYKEY_TIMESTAMP_COL_ID(1))
+  int8_t   type;    // column type
+  int8_t   flags;   // flags: 0 no index, 1 SCHEMA_SMA_ON, 2 SCHEMA_IDX_ON
+  int32_t  bytes;   // column bytes (0~16M)
+  int32_t  offset;  // point offset in STpRow after the header part.
 } STColumn;
 #pragma pack(pop)
 
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index a8053d8854..3889784f2f 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -73,7 +73,8 @@ typedef uint16_t tmsg_t;
 enum { CONN_TYPE__QUERY = 1, CONN_TYPE__TMQ, CONN_TYPE__MAX };
 
 enum {
-  HEARTBEAT_KEY_DBINFO = 1,
+  HEARTBEAT_KEY_USER_AUTHINFO = 1,
+  HEARTBEAT_KEY_DBINFO,
   HEARTBEAT_KEY_STBINFO,
   HEARTBEAT_KEY_MQ_TMP,
 };
@@ -245,6 +246,8 @@ int32_t tInitSubmitMsgIter(const SSubmitReq* pMsg, SSubmitMsgIter* pIter);
 int32_t tGetSubmitMsgNext(SSubmitMsgIter* pIter, SSubmitBlk** pPBlock);
 int32_t tInitSubmitBlkIter(SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock, SSubmitBlkIter* pIter);
 STSRow* tGetSubmitBlkNext(SSubmitBlkIter* pIter);
+// for debug
+int32_t tPrintFixedSchemaSubmitReq(const SSubmitReq* pReq, STSchema* pSchema);
 
 typedef struct {
   int32_t index;  // index of failed block in submit blocks
@@ -424,7 +427,9 @@ int32_t tDeserializeSGetUserAuthReq(void* buf, int32_t bufLen, SGetUserAuthReq*
 
 typedef struct {
   char      user[TSDB_USER_LEN];
+  int32_t   version;
   int8_t    superAuth;
+  SHashObj* createdDbs;
   SHashObj* readDbs;
   SHashObj* writeDbs;
 } SGetUserAuthRsp;
@@ -667,10 +672,20 @@ typedef struct {
   SArray* pArray;  // Array of SUseDbRsp
 } SUseDbBatchRsp;
 
+
 int32_t tSerializeSUseDbBatchRsp(void* buf, int32_t bufLen, SUseDbBatchRsp* pRsp);
 int32_t tDeserializeSUseDbBatchRsp(void* buf, int32_t bufLen, SUseDbBatchRsp* pRsp);
 void    tFreeSUseDbBatchRsp(SUseDbBatchRsp* pRsp);
 
+typedef struct {
+  SArray* pArray;  // Array of SGetUserAuthRsp
+} SUserAuthBatchRsp;
+
+int32_t tSerializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp* pRsp);
+int32_t tDeserializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp* pRsp);
+void    tFreeSUserAuthBatchRsp(SUserAuthBatchRsp* pRsp);
+
+
 typedef struct {
   char db[TSDB_DB_FNAME_LEN];
 } SCompactDbReq;
@@ -2130,7 +2145,7 @@ static FORCE_INLINE int32_t tDecodeSSchemaWrapper(SCoder* pDecoder, SSchemaWrapp
   if (tDecodeI32v(pDecoder, &pSW->nCols) < 0) return -1;
   if (tDecodeI32v(pDecoder, &pSW->sver) < 0) return -1;
 
-  pSW->pSchema = (SSchema*)tCoderMalloc(pDecoder, sizeof(SSchema) * pSW->nCols);
+  pSW->pSchema = (SSchema*)taosMemoryCalloc(pSW->nCols, sizeof(SSchema));
   if (pSW->pSchema == NULL) return -1;
   for (int32_t i = 0; i < pSW->nCols; i++) {
     if (tDecodeSSchema(pDecoder, &pSW->pSchema[i]) < 0) return -1;
@@ -2576,6 +2591,28 @@ static FORCE_INLINE void tDeleteSMqAskEpRsp(SMqAskEpRsp* pRsp) {
   taosArrayDestroyEx(pRsp->topics, (void (*)(void*))tDeleteSMqSubTopicEp);
 }
 
+#define TD_AUTO_CREATE_TABLE 0x1
+typedef struct {
+  int64_t       suid;
+  int64_t       uid;
+  int32_t       sver;
+  uint64_t      nData;
+  const void*   pData;
+  SVCreateTbReq cTbReq;
+} SVSubmitBlk;
+
+typedef struct {
+  int32_t flags;
+  int32_t nBlocks;
+  union {
+    SArray*      pArray;
+    SVSubmitBlk* pBlocks;
+  };
+} SVSubmitReq;
+
+int32_t tEncodeSVSubmitReq(SCoder* pCoder, const SVSubmitReq* pReq);
+int32_t tDecodeSVSubmitReq(SCoder* pCoder, SVSubmitReq* pReq);
+
 #pragma pack(pop)
 
 #ifdef __cplusplus
diff --git a/include/common/trow.h b/include/common/trow.h
index 02f84b372e..f87ea1f009 100644
--- a/include/common/trow.h
+++ b/include/common/trow.h
@@ -141,7 +141,7 @@ typedef struct {
   /// row total length
   uint32_t len;
   /// row version
-  uint64_t ver;
+  // uint64_t ver;
   /// the inline data, maybe a tuple or a k-v tuple
   char data[];
 } STSRow;
@@ -176,7 +176,7 @@ typedef struct {
 #define TD_ROW_DATA(r)     ((r)->data)
 #define TD_ROW_LEN(r)      ((r)->len)
 #define TD_ROW_KEY(r)      ((r)->ts)
-#define TD_ROW_VER(r)      ((r)->ver)
+// #define TD_ROW_VER(r)      ((r)->ver)
 #define TD_ROW_KEY_ADDR(r) (r)
 
 // N.B. If without STSchema, getExtendedRowSize() is used to get the rowMaxBytes and
@@ -622,7 +622,6 @@ static FORCE_INLINE int32_t tdSRowSetTpInfo(SRowBuilder *pBuilder, int32_t nCols
   return TSDB_CODE_SUCCESS;
 }
 
-
 /**
  * @brief To judge row type: STpRow/SKvRow
  *
@@ -758,7 +757,6 @@ static int32_t tdSRowGetBuf(SRowBuilder *pBuilder, void *pBuf) {
   return TSDB_CODE_SUCCESS;
 }
 
-
 /**
  * @brief 由调用方管理存储空间的分配及释放，一次输入多个参数
  *
@@ -1250,16 +1248,16 @@ static FORCE_INLINE int32_t tdGetColDataOfRow(SCellVal *pVal, SDataCol *pCol, in
 }
 
 /**
- * @brief 
- * 
- * @param pRow 
- * @param colId 
- * @param colType 
- * @param flen 
- * @param offset 
+ * @brief
+ *
+ * @param pRow
+ * @param colId
+ * @param colType
+ * @param flen
+ * @param offset
  * @param colIdx start from 0
- * @param pVal 
- * @return FORCE_INLINE 
+ * @param pVal
+ * @return FORCE_INLINE
  */
 static FORCE_INLINE bool tdSTpRowGetVal(STSRow *pRow, col_id_t colId, col_type_t colType, int32_t flen, uint32_t offset,
                                         col_id_t colIdx, SCellVal *pVal) {
@@ -1273,14 +1271,14 @@ static FORCE_INLINE bool tdSTpRowGetVal(STSRow *pRow, col_id_t colId, col_type_t
 }
 
 /**
- * @brief 
- * 
- * @param pRow 
- * @param colId 
- * @param offset 
+ * @brief
+ *
+ * @param pRow
+ * @param colId
+ * @param offset
  * @param colIdx start from 0
- * @param pVal 
- * @return FORCE_INLINE 
+ * @param pVal
+ * @return FORCE_INLINE
  */
 static FORCE_INLINE bool tdSKvRowGetVal(STSRow *pRow, col_id_t colId, uint32_t offset, col_id_t colIdx,
                                         SCellVal *pVal) {
@@ -1397,14 +1395,14 @@ static void tdSCellValPrint(SCellVal *pVal, int8_t colType) {
   }
 }
 
-static void tdSRowPrint(STSRow *row, STSchema *pSchema, const char* tag) {
+static void tdSRowPrint(STSRow *row, STSchema *pSchema, const char *tag) {
   STSRowIter iter = {0};
   tdSTSRowIterInit(&iter, pSchema);
   tdSTSRowIterReset(&iter, row);
   printf("%s >>>", tag);
   for (int i = 0; i < pSchema->numOfCols; ++i) {
     STColumn *stCol = pSchema->columns + i;
-    SCellVal  sVal = { 255, NULL};
+    SCellVal  sVal = {255, NULL};
     if (!tdSTSRowIterNext(&iter, stCol->colId, stCol->type, &sVal)) {
       break;
     }
diff --git a/include/libs/catalog/catalog.h b/include/libs/catalog/catalog.h
index 30d1bd0a51..04a24c4f32 100644
--- a/include/libs/catalog/catalog.h
+++ b/include/libs/catalog/catalog.h
@@ -40,6 +40,11 @@ enum {
   CTG_DBG_STB_RENT_NUM,
 };
 
+typedef enum {
+  AUTH_TYPE_READ = 1,
+  AUTH_TYPE_WRITE,
+  AUTH_TYPE_OTHER,
+} AUTH_TYPE;
 
 typedef struct SCatalogReq {
   SArray *pTableName;     // element is SNAME
@@ -57,6 +62,7 @@ typedef struct SMetaData {
 typedef struct SCatalogCfg {
   uint32_t maxTblCacheNum;
   uint32_t maxDBCacheNum;
+  uint32_t maxUserCacheNum;
   uint32_t dbRentSec;
   uint32_t stbRentSec;
 } SCatalogCfg;
@@ -77,6 +83,11 @@ typedef struct SDbVgVersion {
   int32_t numOfTable; // unit is TSDB_TABLE_NUM_UNIT
 } SDbVgVersion;
 
+typedef struct SUserAuthVersion {
+  char    user[TSDB_USER_LEN];
+  int32_t version;
+} SUserAuthVersion;
+
 typedef SDbCfgRsp SDbCfgInfo;
 typedef SUserIndexRsp SIndexInfo;
 
@@ -219,12 +230,18 @@ int32_t catalogGetExpiredSTables(SCatalog* pCatalog, SSTableMetaVersion **stable
 
 int32_t catalogGetExpiredDBs(SCatalog* pCatalog, SDbVgVersion **dbs, uint32_t *num);
 
+int32_t catalogGetExpiredUsers(SCatalog* pCtg, SUserAuthVersion **users, uint32_t *num);
+
 int32_t catalogGetDBCfg(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* dbFName, SDbCfgInfo* pDbCfg);
 
 int32_t catalogGetIndexInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* indexName, SIndexInfo* pInfo);
 
 int32_t catalogGetUdfInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* funcName, SFuncInfo** pInfo);
 
+int32_t catalogChkAuth(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* user, const char* dbFName, AUTH_TYPE type, bool *pass);
+
+int32_t catalogUpdateUserAuthInfo(SCatalog* pCtg, SGetUserAuthRsp* pAuth);
+
 
 /**
  * Destroy catalog and relase all resources
diff --git a/include/libs/function/tudf.h b/include/libs/function/tudf.h
index e49f5cac45..0000972f5e 100644
--- a/include/libs/function/tudf.h
+++ b/include/libs/function/tudf.h
@@ -22,6 +22,7 @@
 #include "tmsg.h"
 #include "tcommon.h"
 #include "function.h"
+#include "tdatablock.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -54,14 +55,14 @@ int32_t setupUdf(char udfName[], UdfcFuncHandle *handle);
 
 typedef struct SUdfColumnMeta {
   int16_t type;
-  int32_t bytes; // <0 var length, others fixed length bytes
+  int32_t bytes;
   uint8_t precision;
   uint8_t scale;
 } SUdfColumnMeta;
 
 typedef struct SUdfColumnData {
   int32_t numOfRows;
-  bool varLengthColumn;
+  int32_t rowsAlloc;
   union {
     struct {
       int32_t nullBitmapLen;
@@ -72,9 +73,10 @@ typedef struct SUdfColumnData {
 
     struct {
       int32_t varOffsetsLen;
-      char   *varOffsets;
+      int32_t   *varOffsets;
       int32_t payloadLen;
       char   *payload;
+      int32_t payloadAllocLen;
     } varLenCol;
   };
 } SUdfColumnData;
@@ -131,10 +133,114 @@ typedef int32_t (*TUdfSetupFunc)();
 typedef int32_t (*TUdfTeardownFunc)();
 
 //TODO: add API to check function arguments type, number etc.
-//TODO: another way to manage memory is provide api for UDF to add data to SUdfColumnData and UDF framework will allocate memory.
-// then UDF framework will free the memory
-//typedef int32_t addFixedLengthColumnData(SColumnData *columnData, int rowIndex, bool isNull, int32_t colBytes, char* data);
-//typedef int32_t addVariableLengthColumnData(SColumnData *columnData, int rowIndex, bool isNull, int32_t dataLen, char * data);
+
+#define UDF_MEMORY_EXP_GROWTH 1.5
+
+static FORCE_INLINE int32_t udfColEnsureCapacity(SUdfColumn* pColumn, int32_t newCapacity) {
+  SUdfColumnMeta *meta = &pColumn->colMeta;
+  SUdfColumnData *data = &pColumn->colData;
+
+  if (newCapacity== 0 || newCapacity <= data->rowsAlloc) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  int allocCapacity = TMAX(data->rowsAlloc, 8);
+  while (allocCapacity < newCapacity) {
+    allocCapacity *= UDF_MEMORY_EXP_GROWTH;
+  }
+
+  if (IS_VAR_DATA_TYPE(meta->type)) {
+    char* tmp = taosMemoryRealloc(data->varLenCol.varOffsets, sizeof(int32_t) * allocCapacity);
+    if (tmp == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+    data->varLenCol.varOffsets = (int32_t*)tmp;
+    data->varLenCol.varOffsetsLen = sizeof(int32_t) * allocCapacity;
+    // for payload, add data in udfColDataAppend
+  } else {
+    char* tmp = taosMemoryRealloc(data->fixLenCol.nullBitmap, BitmapLen(allocCapacity));
+    if (tmp == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+    data->fixLenCol.nullBitmap = tmp;
+    data->fixLenCol.nullBitmapLen = BitmapLen(allocCapacity);
+    if (meta->type == TSDB_DATA_TYPE_NULL) {
+      return TSDB_CODE_SUCCESS;
+    }
+
+    tmp = taosMemoryRealloc(data->fixLenCol.data, allocCapacity* meta->bytes);
+    if (tmp == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+
+    data->fixLenCol.data = tmp;
+    data->fixLenCol.dataLen = allocCapacity* meta->bytes;
+  }
+
+  data->rowsAlloc = allocCapacity;
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static FORCE_INLINE int32_t udfColSetRow(SUdfColumn* pColumn, uint32_t currentRow, const char* pData, bool isNull) {
+  SUdfColumnMeta *meta = &pColumn->colMeta;
+  SUdfColumnData *data = &pColumn->colData;
+  udfColEnsureCapacity(pColumn, currentRow+1);
+  bool isVarCol = IS_VAR_DATA_TYPE(meta->type);
+  if (isNull) {
+    if (isVarCol) {
+      data->varLenCol.varOffsets[currentRow] = -1;
+    } else {
+      colDataSetNull_f(data->fixLenCol.nullBitmap, currentRow);
+    }
+  } else {
+    if (!isVarCol) {
+      colDataSetNotNull_f(data->fixLenCol.nullBitmap, currentRow);
+      memcpy(data->fixLenCol.data + meta->bytes * currentRow, pData, meta->bytes);
+    } else {
+      int32_t dataLen = varDataTLen(pData);
+      if (meta->type == TSDB_DATA_TYPE_JSON) {
+        if (*pData == TSDB_DATA_TYPE_NULL) {
+          dataLen = 0;
+        } else if (*pData == TSDB_DATA_TYPE_NCHAR) {
+          dataLen = varDataTLen(pData + CHAR_BYTES);
+        } else if (*pData == TSDB_DATA_TYPE_BIGINT || *pData == TSDB_DATA_TYPE_DOUBLE) {
+          dataLen = LONG_BYTES;
+        } else if (*pData == TSDB_DATA_TYPE_BOOL) {
+          dataLen = CHAR_BYTES;
+        }
+        dataLen += CHAR_BYTES;
+      }
+
+      if (data->varLenCol.payloadAllocLen < data->varLenCol.payloadLen + dataLen) {
+        uint32_t newSize = data->varLenCol.payloadAllocLen;
+        if (newSize <= 1) {
+          newSize = 8;
+        }
+
+        while (newSize < data->varLenCol.payloadLen + dataLen) {
+          newSize = newSize * UDF_MEMORY_EXP_GROWTH;
+        }
+
+        char *buf = taosMemoryRealloc(data->varLenCol.payload, newSize);
+        if (buf == NULL) {
+          return TSDB_CODE_OUT_OF_MEMORY;
+        }
+
+        data->varLenCol.payload = buf;
+        data->varLenCol.payloadAllocLen = newSize;
+      }
+
+      uint32_t len = data->varLenCol.payloadLen;
+      data->varLenCol.varOffsets[currentRow] = len;
+
+      memcpy(data->varLenCol.payload + len, pData, dataLen);
+      data->varLenCol.payloadLen += dataLen;
+    }
+  }
+  data->numOfRows = TMAX(currentRow + 1, data->numOfRows);
+  return 0;
+}
 
 typedef int32_t (*TUdfFreeUdfColumnFunc)(SUdfColumn* column);
 typedef int32_t (*TUdfScalarProcFunc)(SUdfDataBlock* block, SUdfColumn *resultCol);
diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 2e5574511b..42180833df 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -70,8 +70,10 @@ typedef struct {
 } STaskDispatcherShuffle;
 
 typedef struct {
-  int8_t reserved;
+  int8_t          reserved;
+  SSchemaWrapper* pSchemaWrapper;
   // not applicable to encoder and decoder
+  STSchema* pTSchema;
   SHashObj* pHash;  // groupId to tbuid
 } STaskSinkTb;
 
diff --git a/include/libs/transport/trpc.h b/include/libs/transport/trpc.h
index 0e7d486eab..a7d1522d12 100644
--- a/include/libs/transport/trpc.h
+++ b/include/libs/transport/trpc.h
@@ -68,6 +68,7 @@ typedef int (*RpcAfp)(void *parent, char *tableId, char *spi, char *encrypt, cha
 typedef bool (*RpcRfp)(int32_t code);
 
 typedef struct SRpcInit {
+  char     localFqdn[TSDB_FQDN_LEN];
   uint16_t localPort;     // local port
   char *   label;         // for debug purpose
   int      numOfThreads;  // number of threads to handle connections
diff --git a/include/os/osSocket.h b/include/os/osSocket.h
index 62c3771669..213a6930ee 100644
--- a/include/os/osSocket.h
+++ b/include/os/osSocket.h
@@ -161,6 +161,7 @@ int taosCreateSocketWithTimeOutOpt(uint32_t conn_timeout_sec);
 
 TdSocketPtr       taosOpenUdpSocket(uint32_t localIp, uint16_t localPort);
 TdSocketPtr       taosOpenTcpClientSocket(uint32_t ip, uint16_t port, uint32_t localIp);
+bool              taosValidIpAndPort(uint32_t ip, uint16_t port);
 TdSocketServerPtr taosOpenTcpServerSocket(uint32_t ip, uint16_t port);
 int32_t           taosKeepTcpAlive(TdSocketPtr pSocket);
 TdSocketPtr       taosAcceptTcpConnectSocket(TdSocketServerPtr pServerSocket, struct sockaddr *destAddr, int *addrLen);
diff --git a/include/os/osString.h b/include/os/osString.h
index a4100652c3..026cb33ad9 100644
--- a/include/os/osString.h
+++ b/include/os/osString.h
@@ -59,6 +59,8 @@ bool    taosMbsToUcs4(const char *mbs, size_t mbs_len, TdUcs4 *ucs4, int32_t ucs
 int32_t tasoUcs4Compare(TdUcs4 *f1_ucs4, TdUcs4 *f2_ucs4, int32_t bytes);
 TdUcs4* tasoUcs4Copy(TdUcs4 *target_ucs4, TdUcs4 *source_ucs4, int32_t len_ucs4);
 bool    taosValidateEncodec(const char *encodec);
+int32_t taosHexEncode(const char *src, char *dst, int32_t len);
+int32_t taosHexDecode(const char *src, char *dst, int32_t len);
 
 int32_t taosWcharWidth(TdWchar wchar);
 int32_t taosWcharsWidth(TdWchar *pWchar, int32_t size);
diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index b11a49fa1a..fc39e80c1e 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -28,6 +28,27 @@ static int32_t hbMqHbReqHandle(SClientHbKey *connKey, void *param, SClientHbReq
 
 static int32_t hbMqHbRspHandle(SAppHbMgr *pAppHbMgr, SClientHbRsp *pRsp) { return 0; }
 
+static int32_t hbProcessUserAuthInfoRsp(void *value, int32_t valueLen, struct SCatalog *pCatalog) {
+  int32_t code = 0;
+
+  SUserAuthBatchRsp batchRsp = {0};
+  if (tDeserializeSUserAuthBatchRsp(value, valueLen, &batchRsp) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    return -1;
+  }
+
+  int32_t numOfBatchs = taosArrayGetSize(batchRsp.pArray);
+  for (int32_t i = 0; i < numOfBatchs; ++i) {
+    SGetUserAuthRsp *rsp = taosArrayGet(batchRsp.pArray, i);
+    tscDebug("hb user auth rsp, user:%s, version:%d", rsp->user, rsp->version);
+
+    catalogUpdateUserAuthInfo(pCatalog, rsp);
+  }
+
+  tFreeSUserAuthBatchRsp(&batchRsp);
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t hbProcessDBInfoRsp(void *value, int32_t valueLen, struct SCatalog *pCatalog) {
   int32_t code = 0;
 
@@ -148,6 +169,24 @@ static int32_t hbQueryHbRspHandle(SAppHbMgr *pAppHbMgr, SClientHbRsp *pRsp) {
   for (int32_t i = 0; i < kvNum; ++i) {
     SKv *kv = taosArrayGet(pRsp->info, i);
     switch (kv->key) {
+      case HEARTBEAT_KEY_USER_AUTHINFO: {
+        if (kv->valueLen <= 0 || NULL == kv->value) {
+          tscError("invalid hb user auth info, len:%d, value:%p", kv->valueLen, kv->value);
+          break;
+        }
+
+        int64_t         *clusterId = (int64_t *)info->param;
+        struct SCatalog *pCatalog = NULL;
+
+        int32_t code = catalogGetHandle(*clusterId, &pCatalog);
+        if (code != TSDB_CODE_SUCCESS) {
+          tscWarn("catalogGetHandle failed, clusterId:%" PRIx64 ", error:%s", *clusterId, tstrerror(code));
+          break;
+        }
+
+        hbProcessUserAuthInfoRsp(kv->value, kv->valueLen, pCatalog);
+        break;
+      }
       case HEARTBEAT_KEY_DBINFO: {
         if (kv->valueLen <= 0 || NULL == kv->value) {
           tscError("invalid hb db info, len:%d, value:%p", kv->valueLen, kv->value);
@@ -327,6 +366,39 @@ int32_t hbGetQueryBasicInfo(SClientHbKey *connKey, SClientHbReq *req) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t hbGetExpiredUserInfo(SClientHbKey *connKey, struct SCatalog *pCatalog, SClientHbReq *req) {
+  SUserAuthVersion *users = NULL;
+  uint32_t          userNum = 0;
+  int32_t           code = 0;
+
+  code = catalogGetExpiredUsers(pCatalog, &users, &userNum);
+  if (TSDB_CODE_SUCCESS != code) {
+    return code;
+  }
+
+  if (userNum <= 0) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  for (int32_t i = 0; i < userNum; ++i) {
+    SUserAuthVersion *user = &users[i];
+    user->version = htonl(user->version);
+  }
+
+  SKv kv = {
+      .key = HEARTBEAT_KEY_USER_AUTHINFO,
+      .valueLen = sizeof(SUserAuthVersion) * userNum,
+      .value = users,
+  };
+
+  tscDebug("hb got %d expired users, valueLen:%d", userNum, kv.valueLen);
+
+  taosHashPut(req->info, &kv.key, sizeof(kv.key), &kv, sizeof(kv));
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
 int32_t hbGetExpiredDBInfo(SClientHbKey *connKey, struct SCatalog *pCatalog, SClientHbReq *req) {
   SDbVgVersion *dbs = NULL;
   uint32_t      dbNum = 0;
@@ -407,6 +479,11 @@ int32_t hbQueryHbReqHandle(SClientHbKey *connKey, void *param, SClientHbReq *req
 
   hbGetQueryBasicInfo(connKey, req);
 
+  code = hbGetExpiredUserInfo(connKey, pCatalog, req);
+  if (TSDB_CODE_SUCCESS != code) {
+    return code;
+  }
+
   code = hbGetExpiredDBInfo(connKey, pCatalog, req);
   if (TSDB_CODE_SUCCESS != code) {
     return code;
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 2874220121..d7ffa282df 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -587,15 +587,34 @@ TEST(testCase, projection_query_tables) {
   }
   taos_free_result(pRes);
 
+  pRes = taos_query(pConn, "create stable st2 (ts timestamp, k int) tags(a int)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
+  }
+  taos_free_result(pRes);
+
   pRes = taos_query(pConn, "create table tu using st1 tags(1)");
   if (taos_errno(pRes) != 0) {
     printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
   }
   taos_free_result(pRes);
 
-  for(int32_t i = 0; i < 10000; ++i) {
-    char sql[512] = {0};
-    sprintf(sql, "insert into tu values(now+%da, %d)", i, i);
+  pRes = taos_query(pConn, "create table tu2 using st2 tags(1)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to create table tu, reason:%s\n", taos_errstr(pRes));
+  }
+  taos_free_result(pRes);
+
+  for(int32_t i = 0; i < 10000000; i += 20) {
+    char sql[1024] = {0};
+    sprintf(sql,
+            "insert into tu values(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)",
+            i, i, i + 1, i + 1, i + 2, i + 2, i + 3, i + 3, i + 4, i + 4, i + 5, i + 5, i + 6, i + 6, i + 7, i + 7,
+            i + 8, i + 8, i + 9, i + 9, i + 10, i + 10, i + 11, i + 11, i + 12, i + 12, i + 13, i + 13, i + 14, i + 14,
+            i + 15, i + 15, i + 16, i + 16, i + 17, i + 17, i + 18, i + 18, i + 19, i + 19);
     TAOS_RES* p = taos_query(pConn, sql);
     if (taos_errno(p) != 0) {
       printf("failed to insert data, reason:%s\n", taos_errstr(p));
@@ -604,24 +623,44 @@ TEST(testCase, projection_query_tables) {
     taos_free_result(p);
   }
 
-  pRes = taos_query(pConn, "select * from tu");
-  if (taos_errno(pRes) != 0) {
-    printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
-    taos_free_result(pRes);
-    ASSERT_TRUE(false);
+  printf("start to insert next table\n");
+
+  for(int32_t i = 0; i < 10000000; i += 20) {
+    char sql[1024] = {0};
+    sprintf(sql,
+            "insert into tu2 values(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
+            "(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)",
+            i, i, i + 1, i + 1, i + 2, i + 2, i + 3, i + 3, i + 4, i + 4, i + 5, i + 5, i + 6, i + 6, i + 7, i + 7,
+            i + 8, i + 8, i + 9, i + 9, i + 10, i + 10, i + 11, i + 11, i + 12, i + 12, i + 13, i + 13, i + 14, i + 14,
+            i + 15, i + 15, i + 16, i + 16, i + 17, i + 17, i + 18, i + 18, i + 19, i + 19);
+    TAOS_RES* p = taos_query(pConn, sql);
+    if (taos_errno(p) != 0) {
+      printf("failed to insert data, reason:%s\n", taos_errstr(p));
+    }
+
+    taos_free_result(p);
   }
 
-  TAOS_ROW    pRow = NULL;
-  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
-  int32_t     numOfFields = taos_num_fields(pRes);
+//  pRes = taos_query(pConn, "select * from tu");
+//  if (taos_errno(pRes) != 0) {
+//    printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
+//    taos_free_result(pRes);
+//    ASSERT_TRUE(false);
+//  }
 
-  char str[512] = {0};
-  while ((pRow = taos_fetch_row(pRes)) != NULL) {
-    int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
-    printf("%s\n", str);
-  }
+//  TAOS_ROW    pRow = NULL;
+//  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
+//  int32_t     numOfFields = taos_num_fields(pRes);
+//
+//  char str[512] = {0};
+//  while ((pRow = taos_fetch_row(pRes)) != NULL) {
+//    int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
+//    printf("%s\n", str);
+//  }
 
-  taos_free_result(pRes);
+//  taos_free_result(pRes);
   taos_close(pConn);
 }
 
@@ -659,7 +698,7 @@ TEST(testCase, agg_query_tables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   ASSERT_NE(pConn, nullptr);
 
-  TAOS_RES* pRes = taos_query(pConn, "use db");
+  TAOS_RES* pRes = taos_query(pConn, "use abc1");
   if (taos_errno(pRes) != 0) {
     printf("failed to use db, reason:%s\n", taos_errstr(pRes));
     taos_free_result(pRes);
@@ -695,5 +734,6 @@ TEST(testCase, agg_query_tables) {
   taos_free_result(pRes);
   taos_close(pConn);
 }
+#endif
 
 #pragma GCC diagnostic pop
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 4946c9690b..a4b36dcb67 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1594,3 +1594,68 @@ int32_t buildSubmitReqFromDataBlock(SSubmitReq** pReq, const SArray* pDataBlocks
 
   return TSDB_CODE_SUCCESS;
 }
+
+SSubmitReq* tdBlockToSubmit(const SArray* pBlocks, const STSchema* pTSchema) {
+  SSubmitReq* ret = NULL;
+
+  // cal size
+  int32_t cap = sizeof(SSubmitReq);
+  int32_t sz = taosArrayGetSize(pBlocks);
+  for (int32_t i = 0; i < sz; i++) {
+    SSDataBlock* pDataBlock = taosArrayGet(pBlocks, i);
+    int32_t      rows = pDataBlock->info.rows;
+    // TODO min
+    int32_t rowSize = pDataBlock->info.rowSize;
+    int32_t maxLen = TD_ROW_MAX_BYTES_FROM_SCHEMA(pTSchema);
+    cap += sizeof(SSubmitBlk) + rows * maxLen;
+  }
+
+  // assign data
+  ret = taosMemoryCalloc(1, cap);
+  ret->version = htonl(1);
+  ret->length = htonl(cap - sizeof(SSubmitReq));
+  ret->numOfBlocks = htonl(sz);
+
+  void* submitBlk = POINTER_SHIFT(ret, sizeof(SSubmitReq));
+  for (int32_t i = 0; i < sz; i++) {
+    SSDataBlock* pDataBlock = taosArrayGet(pBlocks, i);
+
+    SSubmitBlk* blkHead = submitBlk;
+    blkHead->numOfRows = htons(pDataBlock->info.rows);
+    blkHead->schemaLen = 0;
+    blkHead->sversion = htonl(pTSchema->version);
+    // TODO
+    blkHead->suid = 0;
+    blkHead->uid = htobe64(pDataBlock->info.uid);
+
+    int32_t rows = pDataBlock->info.rows;
+    int32_t maxLen = TD_ROW_MAX_BYTES_FROM_SCHEMA(pTSchema);
+    /*blkHead->dataLen = htonl(rows * maxLen);*/
+    blkHead->dataLen = 0;
+
+    void*   blockData = POINTER_SHIFT(submitBlk, sizeof(SSubmitBlk));
+    STSRow* rowData = blockData;
+
+    for (int32_t j = 0; j < pDataBlock->info.rows; j++) {
+      SRowBuilder rb = {0};
+      tdSRowInit(&rb, pTSchema->version);
+      tdSRowSetTpInfo(&rb, pTSchema->numOfCols, pTSchema->flen);
+      tdSRowResetBuf(&rb, rowData);
+
+      for (int32_t k = 0; k < pTSchema->numOfCols; k++) {
+        const STColumn*  pColumn = &pTSchema->columns[k];
+        SColumnInfoData* pColData = taosArrayGet(pDataBlock->pDataBlock, k);
+        void*            data = colDataGetData(pColData, j);
+        tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, data, true, pColumn->offset, k);
+      }
+      int32_t rowLen = TD_ROW_LEN(rowData);
+      rowData = POINTER_SHIFT(rowData, rowLen);
+      blkHead->dataLen += rowLen;
+    }
+    int32_t len = blkHead->dataLen;
+    blkHead->dataLen = htonl(len);
+    blkHead = POINTER_SHIFT(blkHead, len);
+  }
+
+  return ret;
+}
diff --git a/source/common/src/tdataformat.c b/source/common/src/tdataformat.c
index df598046e1..e659b9ec04 100644
--- a/source/common/src/tdataformat.c
+++ b/source/common/src/tdataformat.c
@@ -16,6 +16,7 @@
 #define _DEFAULT_SOURCE
 #include "tdataformat.h"
 #include "tcoding.h"
+#include "tdatablock.h"
 #include "tlog.h"
 
 static void dataColSetNEleNull(SDataCol *pCol, int nEle);
@@ -128,6 +129,50 @@ void *tdDecodeSchema(void *buf, STSchema **pRSchema) {
   return buf;
 }
 
+#if 0
+int32_t tEncodeSTColumn(SCoder *pEncoder, const STColumn *pCol) {
+  if (tEncodeI16(pEncoder, pCol->colId) < 0) return -1;
+  if (tEncodeI8(pEncoder, pCol->type) < 0) return -1;
+  if (tEncodeI8(pEncoder, pCol->sma) < 0) return -1;
+  if (tEncodeI32(pEncoder, pCol->bytes) < 0) return -1;
+  if (tEncodeI32(pEncoder, pCol->offset) < 0) return -1;
+  return pEncoder->pos;
+}
+
+int32_t tDecodeSTColumn(SCoder *pDecoder, STColumn *pCol) {
+  if (tDecodeI16(pDecoder, &pCol->colId) < 0) return -1;
+  if (tDecodeI8(pDecoder, &pCol->type) < 0) return -1;
+  if (tDecodeI8(pDecoder, &pCol->sma) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pCol->bytes) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pCol->offset) < 0) return -1;
+  return 0;
+}
+
+int32_t tEncodeSchema(SCoder *pEncoder, const STSchema *pSchema) {
+  if (tEncodeI32(pEncoder, pSchema->numOfCols) < 0) return -1;
+  if (tEncodeI16(pEncoder, pSchema->version) < 0) return -1;
+  if (tEncodeU16(pEncoder, pSchema->flen) < 0) return -1;
+  if (tEncodeI32(pEncoder, pSchema->vlen) < 0) return -1;
+  if (tEncodeI32(pEncoder, pSchema->tlen) < 0) return -1;
+
+  for (int32_t i = 0; i < schemaNCols(pSchema); i++) {
+    const STColumn *pCol = schemaColAt(pSchema, i);
+    if (tEncodeSTColumn(pEncoder, pCol) < 0) return -1;
+  }
+  return 0;
+}
+
+int32_t tDecodeSchema(SCoder *pDecoder, STSchema *pSchema) {
+  if (tDecodeI32(pDecoder, &pSchema->numOfCols) < 0) return -1;
+  if (tDecodeI16(pDecoder, &pSchema->version) < 0) return -1;
+  if (tDecodeU16(pDecoder, &pSchema->flen) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pSchema->vlen) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pSchema->tlen) < 0) return -1;
+
+  return 0;
+}
+#endif
+
 int tdInitTSchemaBuilder(STSchemaBuilder *pBuilder, schema_ver_t version) {
   if (pBuilder == NULL) return -1;
 
@@ -908,4 +953,4 @@ SMemRow mergeTwoMemRows(void *buffer, SMemRow row1, SMemRow row2, STSchema *pSch
   taosArrayDestroy(stashRow);
   return buffer;
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 6235dcf895..6278b52a04 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -103,6 +103,25 @@ STSRow *tGetSubmitBlkNext(SSubmitBlkIter *pIter) {
   }
 }
 
+int32_t tPrintFixedSchemaSubmitReq(const SSubmitReq *pReq, STSchema *pTschema) {
+  SSubmitMsgIter msgIter = {0};
+  if (tInitSubmitMsgIter(pReq, &msgIter) < 0) return -1;
+  while (true) {
+    SSubmitBlk *pBlock = NULL;
+    if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
+    if (pBlock == NULL) break;
+    SSubmitBlkIter blkIter = {0};
+    tInitSubmitBlkIter(&msgIter, pBlock, &blkIter);
+    STSRowIter rowIter = {0};
+    tdSTSRowIterInit(&rowIter, pTschema);
+    STSRow *row;
+    while ((row = tGetSubmitBlkNext(&blkIter)) != NULL) {
+      tdSRowPrint(row, pTschema, "stream");
+    }
+  }
+  return 0;
+}
+
 int32_t tEncodeSEpSet(SCoder *pEncoder, const SEpSet *pEp) {
   if (tEncodeI8(pEncoder, pEp->inUse) < 0) return -1;
   if (tEncodeI8(pEncoder, pEp->numOfEps) < 0) return -1;
@@ -1145,31 +1164,47 @@ int32_t tDeserializeSGetUserAuthReq(void *buf, int32_t bufLen, SGetUserAuthReq *
   return 0;
 }
 
-int32_t tSerializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *pRsp) {
-  SCoder encoder = {0};
-  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
-
-  if (tStartEncode(&encoder) < 0) return -1;
-  if (tEncodeCStr(&encoder, pRsp->user) < 0) return -1;
-  if (tEncodeI8(&encoder, pRsp->superAuth) < 0) return -1;
+int32_t tSerializeSGetUserAuthRspImpl(SCoder *pEncoder, SGetUserAuthRsp *pRsp) {
+  if (tEncodeCStr(pEncoder, pRsp->user) < 0) return -1;
+  if (tEncodeI8(pEncoder, pRsp->superAuth) < 0) return -1;
+  if (tEncodeI32(pEncoder, pRsp->version) < 0) return -1;
 
+  int32_t numOfCreatedDbs = taosHashGetSize(pRsp->createdDbs);
   int32_t numOfReadDbs = taosHashGetSize(pRsp->readDbs);
   int32_t numOfWriteDbs = taosHashGetSize(pRsp->writeDbs);
-  if (tEncodeI32(&encoder, numOfReadDbs) < 0) return -1;
-  if (tEncodeI32(&encoder, numOfWriteDbs) < 0) return -1;
+  if (tEncodeI32(pEncoder, numOfCreatedDbs) < 0) return -1;
+  if (tEncodeI32(pEncoder, numOfReadDbs) < 0) return -1;
+  if (tEncodeI32(pEncoder, numOfWriteDbs) < 0) return -1;
 
-  char *db = taosHashIterate(pRsp->readDbs, NULL);
+  char *db = taosHashIterate(pRsp->createdDbs, NULL);
   while (db != NULL) {
-    if (tEncodeCStr(&encoder, db) < 0) return -1;
+    if (tEncodeCStr(pEncoder, db) < 0) return -1;
+    db = taosHashIterate(pRsp->createdDbs, db);
+  }
+
+  db = taosHashIterate(pRsp->readDbs, NULL);
+  while (db != NULL) {
+    if (tEncodeCStr(pEncoder, db) < 0) return -1;
     db = taosHashIterate(pRsp->readDbs, db);
   }
 
   db = taosHashIterate(pRsp->writeDbs, NULL);
   while (db != NULL) {
-    if (tEncodeCStr(&encoder, db) < 0) return -1;
+    if (tEncodeCStr(pEncoder, db) < 0) return -1;
     db = taosHashIterate(pRsp->writeDbs, db);
   }
 
+  return 0;
+}
+
+int32_t tSerializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *pRsp) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+
+  if (tSerializeSGetUserAuthRspImpl(&encoder, pRsp) < 0) return -1;
+
   tEndEncode(&encoder);
 
   int32_t tlen = encoder.pos;
@@ -1177,39 +1212,58 @@ int32_t tSerializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *pR
   return tlen;
 }
 
-int32_t tDeserializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *pRsp) {
-  pRsp->readDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
-  pRsp->writeDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
+int32_t tDeserializeSGetUserAuthRspImpl(SCoder *pDecoder, SGetUserAuthRsp *pRsp) {
+  pRsp->createdDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
+  pRsp->readDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
+  pRsp->writeDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   if (pRsp->readDbs == NULL || pRsp->writeDbs == NULL) {
     return -1;
   }
 
-  SCoder decoder = {0};
-  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
-
-  if (tStartDecode(&decoder) < 0) return -1;
-  if (tDecodeCStrTo(&decoder, pRsp->user) < 0) return -1;
-  if (tDecodeI8(&decoder, &pRsp->superAuth) < 0) return -1;
+  if (tDecodeCStrTo(pDecoder, pRsp->user) < 0) return -1;
+  if (tDecodeI8(pDecoder, &pRsp->superAuth) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pRsp->version) < 0) return -1;
 
+  int32_t numOfCreatedDbs = 0;
   int32_t numOfReadDbs = 0;
   int32_t numOfWriteDbs = 0;
-  if (tDecodeI32(&decoder, &numOfReadDbs) < 0) return -1;
-  if (tDecodeI32(&decoder, &numOfWriteDbs) < 0) return -1;
+  if (tDecodeI32(pDecoder, &numOfCreatedDbs) < 0) return -1;
+  if (tDecodeI32(pDecoder, &numOfReadDbs) < 0) return -1;
+  if (tDecodeI32(pDecoder, &numOfWriteDbs) < 0) return -1;
+
+  for (int32_t i = 0; i < numOfCreatedDbs; ++i) {
+    char db[TSDB_DB_FNAME_LEN] = {0};
+    if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
+    int32_t len = strlen(db) + 1;
+    taosHashPut(pRsp->createdDbs, db, len, db, len);
+  }
 
   for (int32_t i = 0; i < numOfReadDbs; ++i) {
     char db[TSDB_DB_FNAME_LEN] = {0};
-    if (tDecodeCStrTo(&decoder, db) < 0) return -1;
+    if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
     int32_t len = strlen(db) + 1;
     taosHashPut(pRsp->readDbs, db, len, db, len);
   }
 
   for (int32_t i = 0; i < numOfWriteDbs; ++i) {
     char db[TSDB_DB_FNAME_LEN] = {0};
-    if (tDecodeCStrTo(&decoder, db) < 0) return -1;
+    if (tDecodeCStrTo(pDecoder, db) < 0) return -1;
     int32_t len = strlen(db) + 1;
     taosHashPut(pRsp->writeDbs, db, len, db, len);
   }
 
+  return 0;
+}
+
+
+int32_t tDeserializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *pRsp) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+
+  if (tDeserializeSGetUserAuthRspImpl(&decoder, pRsp) < 0) return -1;
+
   tEndDecode(&decoder);
 
   tCoderClear(&decoder);
@@ -1217,6 +1271,7 @@ int32_t tDeserializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *
 }
 
 void tFreeSGetUserAuthRsp(SGetUserAuthRsp *pRsp) {
+  taosHashCleanup(pRsp->createdDbs);
   taosHashCleanup(pRsp->readDbs);
   taosHashCleanup(pRsp->writeDbs);
 }
@@ -2036,6 +2091,62 @@ void tFreeSUseDbBatchRsp(SUseDbBatchRsp *pRsp) {
   taosArrayDestroy(pRsp->pArray);
 }
 
+int32_t tSerializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp* pRsp){
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+
+  int32_t numOfBatch = taosArrayGetSize(pRsp->pArray);
+  if (tEncodeI32(&encoder, numOfBatch) < 0) return -1;
+  for (int32_t i = 0; i < numOfBatch; ++i) {
+    SGetUserAuthRsp *pUserAuthRsp = taosArrayGet(pRsp->pArray, i);
+    if (tSerializeSGetUserAuthRspImpl(&encoder, pUserAuthRsp) < 0) return -1;
+  }
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSUserAuthBatchRsp(void* buf, int32_t bufLen, SUserAuthBatchRsp* pRsp){
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+
+  int32_t numOfBatch = taosArrayGetSize(pRsp->pArray);
+  if (tDecodeI32(&decoder, &numOfBatch) < 0) return -1;
+
+  pRsp->pArray = taosArrayInit(numOfBatch, sizeof(SGetUserAuthRsp));
+  if (pRsp->pArray == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  for (int32_t i = 0; i < numOfBatch; ++i) {
+    SGetUserAuthRsp rsp = {0};
+    if (tDeserializeSGetUserAuthRspImpl(&decoder, &rsp) < 0) return -1;
+    taosArrayPush(pRsp->pArray, &rsp);
+  }
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+void    tFreeSUserAuthBatchRsp(SUserAuthBatchRsp* pRsp){
+  int32_t numOfBatch = taosArrayGetSize(pRsp->pArray);
+  for (int32_t i = 0; i < numOfBatch; ++i) {
+    SGetUserAuthRsp *pUserAuthRsp = taosArrayGet(pRsp->pArray, i);
+    tFreeSGetUserAuthRsp(pUserAuthRsp);
+  }
+
+  taosArrayDestroy(pRsp->pArray);
+}
+
+
 int32_t tSerializeSDbCfgReq(void *buf, int32_t bufLen, SDbCfgReq *pReq) {
   SCoder encoder = {0};
   tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
@@ -3841,3 +3952,65 @@ int32_t tDecodeSVDropStbReq(SCoder *pCoder, SVDropStbReq *pReq) {
   tEndDecode(pCoder);
   return 0;
 }
+
+static int32_t tEncodeSVSubmitBlk(SCoder *pCoder, const SVSubmitBlk *pBlock, int32_t flags) {
+  if (tStartEncode(pCoder) < 0) return -1;
+
+  if (tEncodeI64(pCoder, pBlock->suid) < 0) return -1;
+  if (tEncodeI64(pCoder, pBlock->uid) < 0) return -1;
+  if (tEncodeI32v(pCoder, pBlock->sver) < 0) return -1;
+  if (tEncodeBinary(pCoder, pBlock->pData, pBlock->nData) < 0) return -1;
+
+  if (flags & TD_AUTO_CREATE_TABLE) {
+    if (tEncodeSVCreateTbReq(pCoder, &pBlock->cTbReq) < 0) return -1;
+  }
+
+  tEndEncode(pCoder);
+  return 0;
+}
+
+static int32_t tDecodeSVSubmitBlk(SCoder *pCoder, SVSubmitBlk *pBlock, int32_t flags) {
+  if (tStartDecode(pCoder) < 0) return -1;
+
+  if (tDecodeI64(pCoder, &pBlock->suid) < 0) return -1;
+  if (tDecodeI64(pCoder, &pBlock->uid) < 0) return -1;
+  if (tDecodeI32v(pCoder, &pBlock->sver) < 0) return -1;
+  if (tDecodeBinary(pCoder, &pBlock->pData, &pBlock->nData) < 0) return -1;
+
+  if (flags & TD_AUTO_CREATE_TABLE) {
+    if (tDecodeSVCreateTbReq(pCoder, &pBlock->cTbReq) < 0) return -1;
+  }
+
+  tEndDecode(pCoder);
+  return 0;
+}
+
+int32_t tEncodeSVSubmitReq(SCoder *pCoder, const SVSubmitReq *pReq) {
+  int32_t nBlocks = taosArrayGetSize(pReq->pArray);
+
+  if (tStartEncode(pCoder) < 0) return -1;
+
+  if (tEncodeI32v(pCoder, pReq->flags) < 0) return -1;
+  if (tEncodeI32v(pCoder, nBlocks) < 0) return -1;
+  for (int32_t iBlock = 0; iBlock < nBlocks; iBlock++) {
+    if (tEncodeSVSubmitBlk(pCoder, (SVSubmitBlk *)taosArrayGet(pReq->pArray, iBlock), pReq->flags) < 0) return -1;
+  }
+
+  tEndEncode(pCoder);
+  return 0;
+}
+
+int32_t tDecodeSVSubmitReq(SCoder *pCoder, SVSubmitReq *pReq) {
+  if (tStartDecode(pCoder) < 0) return -1;
+
+  if (tDecodeI32v(pCoder, &pReq->flags) < 0) return -1;
+  if (tDecodeI32v(pCoder, &pReq->nBlocks) < 0) return -1;
+  pReq->pBlocks = tCoderMalloc(pCoder, sizeof(SVSubmitBlk) * pReq->nBlocks);
+  if (pReq->pBlocks == NULL) return -1;
+  for (int32_t iBlock = 0; iBlock < pReq->nBlocks; iBlock++) {
+    if (tDecodeSVSubmitBlk(pCoder, pReq->pBlocks + iBlock, pReq->flags) < 0) return -1;
+  }
+
+  tEndDecode(pCoder);
+  return 0;
+}
\ No newline at end of file
diff --git a/source/dnode/mgmt/implement/src/dmTransport.c b/source/dnode/mgmt/implement/src/dmTransport.c
index 446894556e..114d7b6dfc 100644
--- a/source/dnode/mgmt/implement/src/dmTransport.c
+++ b/source/dnode/mgmt/implement/src/dmTransport.c
@@ -16,8 +16,8 @@
 #define _DEFAULT_SOURCE
 #include "dmImp.h"
 
-#define INTERNAL_USER "_dnd"
-#define INTERNAL_CKEY "_key"
+#define INTERNAL_USER   "_dnd"
+#define INTERNAL_CKEY   "_key"
 #define INTERNAL_SECRET "_pwd"
 
 static void dmGetMnodeEpSet(SDnode *pDnode, SEpSet *pEpSet) {
@@ -130,10 +130,10 @@ _OVER:
 }
 
 static void dmProcessMsg(SDnode *pDnode, SRpcMsg *pMsg, SEpSet *pEpSet) {
-  SDnodeTrans  *pTrans = &pDnode->trans;
+  SDnodeTrans * pTrans = &pDnode->trans;
   tmsg_t        msgType = pMsg->msgType;
   bool          isReq = msgType & 1u;
-  SMsgHandle   *pHandle = &pTrans->msgHandles[TMSG_INDEX(msgType)];
+  SMsgHandle *  pHandle = &pTrans->msgHandles[TMSG_INDEX(msgType)];
   SMgmtWrapper *pWrapper = pHandle->pNdWrapper;
 
   if (msgType == TDMT_DND_SERVER_STATUS) {
@@ -517,7 +517,7 @@ static inline int32_t dmRetrieveUserAuthInfo(SDnode *pDnode, char *user, char *s
   SAuthReq authReq = {0};
   tstrncpy(authReq.user, user, TSDB_USER_LEN);
   int32_t contLen = tSerializeSAuthReq(NULL, 0, &authReq);
-  void   *pReq = rpcMallocCont(contLen);
+  void *  pReq = rpcMallocCont(contLen);
   tSerializeSAuthReq(pReq, contLen, &authReq);
 
   SRpcMsg rpcMsg = {.pCont = pReq, .contLen = contLen, .msgType = TDMT_MND_AUTH, .ahandle = (void *)9528};
@@ -547,6 +547,8 @@ static int32_t dmInitServer(SDnode *pDnode) {
   SDnodeTrans *pTrans = &pDnode->trans;
 
   SRpcInit rpcInit = {0};
+
+  strncpy(rpcInit.localFqdn, pDnode->data.localFqdn, strlen(pDnode->data.localFqdn));
   rpcInit.localPort = pDnode->data.serverPort;
   rpcInit.label = "DND";
   rpcInit.numOfThreads = tsNumOfRpcThreads;
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index d516b0bf26..89638524ae 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -255,8 +255,10 @@ typedef struct {
   int64_t   updateTime;
   int8_t    superUser;
   int32_t   acctId;
+  int32_t   authVersion;
   SHashObj* readDbs;
   SHashObj* writeDbs;
+  SRWLatch  lock;
 } SUserObj;
 
 typedef struct {
@@ -419,6 +421,7 @@ typedef struct {
 
 typedef struct {
   char    key[TSDB_PARTITION_KEY_LEN];
+  int64_t dbUid;
   int64_t offset;
 } SMqOffsetObj;
 
diff --git a/source/dnode/mnode/impl/inc/mndOffset.h b/source/dnode/mnode/impl/inc/mndOffset.h
index 556bfe6a53..b468496165 100644
--- a/source/dnode/mnode/impl/inc/mndOffset.h
+++ b/source/dnode/mnode/impl/inc/mndOffset.h
@@ -37,6 +37,8 @@ static FORCE_INLINE int32_t mndMakePartitionKey(char *key, const char *cgroup, c
   return snprintf(key, TSDB_PARTITION_KEY_LEN, "%d:%s:%s", vgId, cgroup, topicName);
 }
 
+int32_t mndDropOffsetByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mnode/impl/inc/mndSma.h b/source/dnode/mnode/impl/inc/mndSma.h
index 91c6e24e28..4a80f619d3 100644
--- a/source/dnode/mnode/impl/inc/mndSma.h
+++ b/source/dnode/mnode/impl/inc/mndSma.h
@@ -26,7 +26,6 @@ int32_t  mndInitSma(SMnode *pMnode);
 void     mndCleanupSma(SMnode *pMnode);
 SSmaObj *mndAcquireSma(SMnode *pMnode, char *smaName);
 void     mndReleaseSma(SMnode *pMnode, SSmaObj *pSma);
-int32_t mndProcessGetSmaReq(SMnode       *pMnode, SUserIndexReq *indexReq, SUserIndexRsp *rsp, bool *exist);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/inc/mndSubscribe.h b/source/dnode/mnode/impl/inc/mndSubscribe.h
index 7915006f27..5ca672e8dd 100644
--- a/source/dnode/mnode/impl/inc/mndSubscribe.h
+++ b/source/dnode/mnode/impl/inc/mndSubscribe.h
@@ -31,6 +31,8 @@ void             mndReleaseSubscribe(SMnode *pMnode, SMqSubscribeObj *pSub);
 
 int32_t mndMakeSubscribeKey(char *key, const char *cgroup, const char *topicName);
 
+int32_t mndDropSubByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mnode/impl/inc/mndUser.h b/source/dnode/mnode/impl/inc/mndUser.h
index b3eb7f2f95..2140d0fa67 100644
--- a/source/dnode/mnode/impl/inc/mndUser.h
+++ b/source/dnode/mnode/impl/inc/mndUser.h
@@ -29,6 +29,7 @@ void      mndReleaseUser(SMnode *pMnode, SUserObj *pUser);
 
 // for trans test
 SSdbRaw *mndUserActionEncode(SUserObj *pUser);
+int32_t mndValidateUserAuthInfo(SMnode *pMnode, SUserAuthVersion *pUsers, int32_t numOfUses, void **ppRsp, int32_t *pRspLen);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/inc/mndVgroup.h b/source/dnode/mnode/impl/inc/mndVgroup.h
index f42829eddf..8aecc22454 100644
--- a/source/dnode/mnode/impl/inc/mndVgroup.h
+++ b/source/dnode/mnode/impl/inc/mndVgroup.h
@@ -33,6 +33,7 @@ int32_t  mndGetVnodesNum(SMnode *pMnode, int32_t dnodeId);
 
 void *mndBuildCreateVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen);
 void *mndBuildDropVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen);
+void *mndBuildAlterVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index 5861f8d245..af7efb5543 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -17,9 +17,12 @@
 #include "mndDb.h"
 #include "mndAuth.h"
 #include "mndDnode.h"
+#include "mndOffset.h"
 #include "mndShow.h"
 #include "mndSma.h"
 #include "mndStb.h"
+#include "mndSubscribe.h"
+#include "mndTopic.h"
 #include "mndTrans.h"
 #include "mndUser.h"
 #include "mndVgroup.h"
@@ -41,16 +44,17 @@ static int32_t  mndProcessCompactDbReq(SNodeMsg *pReq);
 static int32_t  mndRetrieveDbs(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity);
 static void     mndCancelGetNextDb(SMnode *pMnode, void *pIter);
 static int32_t  mndProcessGetDbCfgReq(SNodeMsg *pReq);
-static int32_t  mndProcessGetIndexReq(SNodeMsg *pReq);
 
 int32_t mndInitDb(SMnode *pMnode) {
-  SSdbTable table = {.sdbType = SDB_DB,
-                     .keyType = SDB_KEY_BINARY,
-                     .encodeFp = (SdbEncodeFp)mndDbActionEncode,
-                     .decodeFp = (SdbDecodeFp)mndDbActionDecode,
-                     .insertFp = (SdbInsertFp)mndDbActionInsert,
-                     .updateFp = (SdbUpdateFp)mndDbActionUpdate,
-                     .deleteFp = (SdbDeleteFp)mndDbActionDelete};
+  SSdbTable table = {
+      .sdbType = SDB_DB,
+      .keyType = SDB_KEY_BINARY,
+      .encodeFp = (SdbEncodeFp)mndDbActionEncode,
+      .decodeFp = (SdbDecodeFp)mndDbActionDecode,
+      .insertFp = (SdbInsertFp)mndDbActionInsert,
+      .updateFp = (SdbUpdateFp)mndDbActionUpdate,
+      .deleteFp = (SdbDeleteFp)mndDbActionDelete,
+  };
 
   mndSetMsgHandle(pMnode, TDMT_MND_CREATE_DB, mndProcessCreateDbReq);
   mndSetMsgHandle(pMnode, TDMT_MND_ALTER_DB, mndProcessAlterDbReq);
@@ -58,7 +62,6 @@ int32_t mndInitDb(SMnode *pMnode) {
   mndSetMsgHandle(pMnode, TDMT_MND_USE_DB, mndProcessUseDbReq);
   mndSetMsgHandle(pMnode, TDMT_MND_COMPACT_DB, mndProcessCompactDbReq);
   mndSetMsgHandle(pMnode, TDMT_MND_GET_DB_CFG, mndProcessGetDbCfgReq);
-  mndSetMsgHandle(pMnode, TDMT_MND_GET_INDEX, mndProcessGetIndexReq);
 
   mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_DB, mndRetrieveDbs);
   mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_DB, mndCancelGetNextDb);
@@ -191,6 +194,7 @@ static SSdbRow *mndDbActionDecode(SSdbRaw *pRaw) {
   }
 
   SDB_GET_RESERVE(pRaw, dataPos, DB_RESERVE_SIZE, _OVER)
+  taosInitRWLatch(&pDb->lock);
 
   terrno = 0;
 
@@ -219,17 +223,29 @@ static int32_t mndDbActionDelete(SSdb *pSdb, SDbObj *pDb) {
 static int32_t mndDbActionUpdate(SSdb *pSdb, SDbObj *pOld, SDbObj *pNew) {
   mTrace("db:%s, perform update action, old row:%p new row:%p", pOld->name, pOld, pNew);
   taosWLockLatch(&pOld->lock);
-  SArray *pOldRetensions = pOld->cfg.pRetensions;
   pOld->updateTime = pNew->updateTime;
   pOld->cfgVersion = pNew->cfgVersion;
   pOld->vgVersion = pNew->vgVersion;
-  memcpy(&pOld->cfg, &pNew->cfg, sizeof(SDbCfg));
-  pNew->cfg.pRetensions = pOldRetensions;
+  pOld->cfg.buffer = pNew->cfg.buffer;
+  pOld->cfg.pages = pNew->cfg.pages;
+  pOld->cfg.pageSize = pNew->cfg.pageSize;
+  pOld->cfg.daysPerFile = pNew->cfg.daysPerFile;
+  pOld->cfg.daysToKeep0 = pNew->cfg.daysToKeep0;
+  pOld->cfg.daysToKeep1 = pNew->cfg.daysToKeep1;
+  pOld->cfg.daysToKeep2 = pNew->cfg.daysToKeep2;
+  pOld->cfg.fsyncPeriod = pNew->cfg.fsyncPeriod;
+  pOld->cfg.walLevel = pNew->cfg.walLevel;
+  pOld->cfg.strict = pNew->cfg.strict;
+  pOld->cfg.cacheLastRow = pNew->cfg.cacheLastRow;
+  pOld->cfg.replications = pNew->cfg.replications;
   taosWUnLockLatch(&pOld->lock);
   return 0;
 }
 
-static int32_t mndGetGlobalVgroupVersion(SMnode *pMnode) { return sdbGetTableVer(pMnode->pSdb, SDB_VGROUP); }
+static inline int32_t mndGetGlobalVgroupVersion(SMnode *pMnode) {
+  SSdb *pSdb = pMnode->pSdb;
+  return sdbGetTableVer(pSdb, SDB_VGROUP);
+}
 
 SDbObj *mndAcquireDb(SMnode *pMnode, const char *db) {
   SSdb   *pSdb = pMnode->pSdb;
@@ -635,69 +651,7 @@ static int32_t mndSetAlterDbCommitLogs(SMnode *pMnode, STrans *pTrans, SDbObj *p
   return 0;
 }
 
-void *mndBuildAlterVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) {
-  SAlterVnodeReq alterReq = {0};
-  alterReq.vgVersion = pVgroup->version;
-  alterReq.buffer = pDb->cfg.buffer;
-  alterReq.pages = pDb->cfg.pages;
-  alterReq.pageSize = pDb->cfg.pageSize;
-  alterReq.daysPerFile = pDb->cfg.daysPerFile;
-  alterReq.daysToKeep0 = pDb->cfg.daysToKeep0;
-  alterReq.daysToKeep1 = pDb->cfg.daysToKeep1;
-  alterReq.daysToKeep2 = pDb->cfg.daysToKeep2;
-  alterReq.fsyncPeriod = pDb->cfg.fsyncPeriod;
-  alterReq.walLevel = pDb->cfg.walLevel;
-  alterReq.strict = pDb->cfg.strict;
-  alterReq.cacheLastRow = pDb->cfg.cacheLastRow;
-  alterReq.replica = pVgroup->replica;
-  alterReq.selfIndex = -1;
-
-  for (int32_t v = 0; v < pVgroup->replica; ++v) {
-    SReplica  *pReplica = &alterReq.replicas[v];
-    SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
-    SDnodeObj *pVgidDnode = mndAcquireDnode(pMnode, pVgid->dnodeId);
-    if (pVgidDnode == NULL) {
-      return NULL;
-    }
-
-    pReplica->id = pVgidDnode->id;
-    pReplica->port = pVgidDnode->port;
-    memcpy(pReplica->fqdn, pVgidDnode->fqdn, TSDB_FQDN_LEN);
-    mndReleaseDnode(pMnode, pVgidDnode);
-
-    if (pDnode->id == pVgid->dnodeId) {
-      alterReq.selfIndex = v;
-    }
-  }
-
-  if (alterReq.selfIndex == -1) {
-    terrno = TSDB_CODE_MND_APP_ERROR;
-    return NULL;
-  }
-
-  int32_t contLen = tSerializeSAlterVnodeReq(NULL, 0, &alterReq);
-  if (contLen < 0) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return NULL;
-  }
-  contLen += +sizeof(SMsgHead);
-
-  void *pReq = taosMemoryMalloc(contLen);
-  if (pReq == NULL) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return NULL;
-  }
-
-  SMsgHead *pHead = pReq;
-  pHead->contLen = htonl(contLen);
-  pHead->vgId = htonl(pVgroup->vgId);
-
-  tSerializeSAlterVnodeReq((char *)pReq + sizeof(SMsgHead), contLen, &alterReq);
-  *pContLen = contLen;
-  return pReq;
-}
-
-static int32_t mndBuilAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup) {
+static int32_t mndBuildAlterVgroupAction(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SVgObj *pVgroup) {
   for (int32_t vn = 0; vn < pVgroup->replica; ++vn) {
     STransAction action = {0};
     SVnodeGid   *pVgid = pVgroup->vnodeGid + vn;
@@ -733,7 +687,7 @@ static int32_t mndSetAlterDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *
     if (pIter == NULL) break;
 
     if (pVgroup->dbUid == pNew->uid) {
-      if (mndBuilAlterVgroupAction(pMnode, pTrans, pNew, pVgroup) != 0) {
+      if (mndBuildAlterVgroupAction(pMnode, pTrans, pNew, pVgroup) != 0) {
         sdbCancelFetch(pSdb, pIter);
         sdbRelease(pSdb, pVgroup);
         return -1;
@@ -749,19 +703,19 @@ static int32_t mndSetAlterDbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *
 static int32_t mndAlterDb(SMnode *pMnode, SNodeMsg *pReq, SDbObj *pOld, SDbObj *pNew) {
   int32_t code = -1;
   STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_ALTER_DB, &pReq->rpcMsg);
-  if (pTrans == NULL) goto UPDATE_DB_OVER;
+  if (pTrans == NULL) goto _OVER;
 
   mDebug("trans:%d, used to alter db:%s", pTrans->id, pOld->name);
 
   mndTransSetDbInfo(pTrans, pOld);
-  if (mndSetAlterDbRedoLogs(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER;
-  if (mndSetAlterDbCommitLogs(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER;
-  if (mndSetAlterDbRedoActions(pMnode, pTrans, pOld, pNew) != 0) goto UPDATE_DB_OVER;
-  if (mndTransPrepare(pMnode, pTrans) != 0) goto UPDATE_DB_OVER;
+  if (mndSetAlterDbRedoLogs(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
+  if (mndSetAlterDbCommitLogs(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
+  if (mndSetAlterDbRedoActions(pMnode, pTrans, pOld, pNew) != 0) goto _OVER;
+  if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;
 
   code = 0;
 
-UPDATE_DB_OVER:
+_OVER:
   mndTransDrop(pTrans);
   return code;
 }
@@ -775,7 +729,7 @@ static int32_t mndProcessAlterDbReq(SNodeMsg *pReq) {
 
   if (tDeserializeSAlterDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &alterReq) != 0) {
     terrno = TSDB_CODE_INVALID_MSG;
-    goto ALTER_DB_OVER;
+    goto _OVER;
   }
 
   mDebug("db:%s, start to alter", alterReq.db);
@@ -783,24 +737,26 @@ static int32_t mndProcessAlterDbReq(SNodeMsg *pReq) {
   pDb = mndAcquireDb(pMnode, alterReq.db);
   if (pDb == NULL) {
     terrno = TSDB_CODE_MND_DB_NOT_EXIST;
-    goto ALTER_DB_OVER;
+    goto _OVER;
   }
 
   pUser = mndAcquireUser(pMnode, pReq->user);
   if (pUser == NULL) {
-    goto ALTER_DB_OVER;
+    goto _OVER;
   }
 
   if (mndCheckAlterDropCompactDbAuth(pUser, pDb) != 0) {
-    goto ALTER_DB_OVER;
+    goto _OVER;
   }
 
   SDbObj dbObj = {0};
   memcpy(&dbObj, pDb, sizeof(SDbObj));
+  dbObj.cfg.numOfRetensions = 0;
+  dbObj.cfg.pRetensions = NULL;
 
   code = mndSetDbCfgFromAlterDbReq(&dbObj, &alterReq);
   if (code != 0) {
-    goto ALTER_DB_OVER;
+    goto _OVER;
   }
 
   dbObj.cfgVersion++;
@@ -808,7 +764,7 @@ static int32_t mndProcessAlterDbReq(SNodeMsg *pReq) {
   code = mndAlterDb(pMnode, pReq, pDb, &dbObj);
   if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
 
-ALTER_DB_OVER:
+_OVER:
   if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
     mError("db:%s, failed to alter since %s", alterReq.db, terrstr());
   }
@@ -828,13 +784,13 @@ static int32_t mndProcessGetDbCfgReq(SNodeMsg *pReq) {
 
   if (tDeserializeSDbCfgReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &cfgReq) != 0) {
     terrno = TSDB_CODE_INVALID_MSG;
-    goto GET_DB_CFG_OVER;
+    goto _OVER;
   }
 
   pDb = mndAcquireDb(pMnode, cfgReq.db);
   if (pDb == NULL) {
     terrno = TSDB_CODE_MND_DB_NOT_EXIST;
-    goto GET_DB_CFG_OVER;
+    goto _OVER;
   }
 
   cfgRsp.numOfVgroups = pDb->cfg.numOfVgroups;
@@ -863,7 +819,7 @@ static int32_t mndProcessGetDbCfgReq(SNodeMsg *pReq) {
   if (pRsp == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     code = -1;
-    goto GET_DB_CFG_OVER;
+    goto _OVER;
   }
 
   tSerializeSDbCfgRsp(pRsp, contLen, &cfgRsp);
@@ -873,9 +829,9 @@ static int32_t mndProcessGetDbCfgReq(SNodeMsg *pReq) {
 
   code = 0;
 
-GET_DB_CFG_OVER:
+_OVER:
 
-  if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
+  if (code != 0) {
     mError("db:%s, failed to get cfg since %s", cfgReq.db, terrstr());
   }
 
@@ -1027,6 +983,9 @@ static int32_t mndDropDb(SMnode *pMnode, SNodeMsg *pReq, SDbObj *pDb) {
 
   if (mndSetDropDbRedoLogs(pMnode, pTrans, pDb) != 0) goto _OVER;
   if (mndSetDropDbCommitLogs(pMnode, pTrans, pDb) != 0) goto _OVER;
+  /*if (mndDropOffsetByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
+  /*if (mndDropSubByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
+  /*if (mndDropTopicByDB(pMnode, pTrans, pDb) != 0) goto _OVER;*/
   if (mndSetDropDbRedoActions(pMnode, pTrans, pDb) != 0) goto _OVER;
 
   int32_t rspLen = 0;
@@ -1091,7 +1050,8 @@ _OVER:
   return code;
 }
 
-void mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode, int32_t *num) {
+static int32_t mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode) {
+  int32_t numOfTables = 0;
   int32_t vindex = 0;
   SSdb   *pSdb = pMnode->pSdb;
 
@@ -1102,8 +1062,7 @@ void mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode, int32_t *num) {
     if (pIter == NULL) break;
 
     if (pVgroup->dbUid == pDb->uid) {
-      *num += pVgroup->numOfTables / TSDB_TABLE_NUM_UNIT;
-
+      numOfTables += pVgroup->numOfTables / TSDB_TABLE_NUM_UNIT;
       vindex++;
     }
 
@@ -1111,6 +1070,7 @@ void mndGetDBTableNum(SDbObj *pDb, SMnode *pMnode, int32_t *num) {
   }
 
   sdbCancelFetch(pSdb, pIter);
+  return numOfTables;
 }
 
 static void mndBuildDBVgroupInfo(SDbObj *pDb, SMnode *pMnode, SArray *pVgList) {
@@ -1164,8 +1124,7 @@ int32_t mndExtractDbInfo(SMnode *pMnode, SDbObj *pDb, SUseDbRsp *pRsp, const SUs
     return -1;
   }
 
-  int32_t numOfTable = 0;
-  mndGetDBTableNum(pDb, pMnode, &numOfTable);
+  int32_t numOfTable = mndGetDBTableNum(pDb, pMnode);
 
   if (pReq == NULL || pReq->vgVersion < pDb->vgVersion || pReq->dbId != pDb->uid || numOfTable != pReq->numOfTable) {
     mndBuildDBVgroupInfo(pDb, pMnode, pRsp->pVgroupInfos);
@@ -1189,7 +1148,7 @@ static int32_t mndProcessUseDbReq(SNodeMsg *pReq) {
 
   if (tDeserializeSUseDbReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &usedbReq) != 0) {
     terrno = TSDB_CODE_INVALID_MSG;
-    goto USE_DB_OVER;
+    goto _OVER;
   }
 
   char *p = strchr(usedbReq.db, '.');
@@ -1200,12 +1159,11 @@ static int32_t mndProcessUseDbReq(SNodeMsg *pReq) {
       usedbRsp.pVgroupInfos = taosArrayInit(10, sizeof(SVgroupInfo));
       if (usedbRsp.pVgroupInfos == NULL) {
         terrno = TSDB_CODE_OUT_OF_MEMORY;
-        goto USE_DB_OVER;
+        goto _OVER;
       }
 
       mndBuildDBVgroupInfo(NULL, pMnode, usedbRsp.pVgroupInfos);
       usedbRsp.vgVersion = vgVersion++;
-
     } else {
       usedbRsp.vgVersion = usedbReq.vgVersion;
     }
@@ -1226,15 +1184,15 @@ static int32_t mndProcessUseDbReq(SNodeMsg *pReq) {
     } else {
       pUser = mndAcquireUser(pMnode, pReq->user);
       if (pUser == NULL) {
-        goto USE_DB_OVER;
+        goto _OVER;
       }
 
       if (mndCheckUseDbAuth(pUser, pDb) != 0) {
-        goto USE_DB_OVER;
+        goto _OVER;
       }
 
       if (mndExtractDbInfo(pMnode, pDb, &usedbRsp, &usedbReq) < 0) {
-        goto USE_DB_OVER;
+        goto _OVER;
       }
 
       code = 0;
@@ -1246,7 +1204,7 @@ static int32_t mndProcessUseDbReq(SNodeMsg *pReq) {
   if (pRsp == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     code = -1;
-    goto USE_DB_OVER;
+    goto _OVER;
   }
 
   tSerializeSUseDbRsp(pRsp, contLen, &usedbRsp);
@@ -1254,7 +1212,7 @@ static int32_t mndProcessUseDbReq(SNodeMsg *pReq) {
   pReq->pRsp = pRsp;
   pReq->rspLen = contLen;
 
-USE_DB_OVER:
+_OVER:
   if (code != 0) {
     mError("db:%s, failed to process use db req since %s", usedbReq.db, terrstr());
   }
@@ -1292,8 +1250,7 @@ int32_t mndValidateDbInfo(SMnode *pMnode, SDbVgVersion *pDbs, int32_t numOfDbs,
       continue;
     }
 
-    int32_t numOfTable = 0;
-    mndGetDBTableNum(pDb, pMnode, &numOfTable);
+    int32_t numOfTable = mndGetDBTableNum(pDb, pMnode);
 
     if (pDbVgVersion->vgVersion >= pDb->vgVersion && numOfTable == pDbVgVersion->numOfTable) {
       mDebug("db:%s, version & numOfTable not changed", pDbVgVersion->dbFName);
@@ -1387,7 +1344,7 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
                            bool sysDb) {
   int32_t cols = 0;
 
-  int32_t bytes = pShow->pMeta->pSchemas[cols].bytes;
+  int32_t     bytes = pShow->pMeta->pSchemas[cols].bytes;
   char       *buf = taosMemoryMalloc(bytes);
   const char *name = mndGetDbStr(pDb->name);
   if (name != NULL) {
@@ -1508,9 +1465,6 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
     colDataAppend(pColInfo, rows, (const char *)b, false);
   }
-
-  //  pWrite = getDataPosition(data, pShow, cols, rows, rowCapacity);
-  //  *(int8_t *)pWrite = pDb->cfg.update;
 }
 
 static void setInformationSchemaDbCfg(SDbObj *pDbObj) {
@@ -1538,7 +1492,6 @@ static void setPerfSchemaDbCfg(SDbObj *pDbObj) {
 static bool mndGetTablesOfDbFp(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {
   SVgObj  *pVgroup = pObj;
   int32_t *numOfTables = p1;
-
   *numOfTables += pVgroup->numOfTables;
   return true;
 }
@@ -1588,49 +1541,3 @@ static void mndCancelGetNextDb(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
-
-static int32_t mndProcessGetIndexReq(SNodeMsg *pReq) {
-  SUserIndexReq indexReq = {0};
-  SMnode       *pMnode = pReq->pNode;
-  int32_t       code = -1;
-  SUserIndexRsp rsp = {0};
-  bool          exist = false;
-
-  if (tDeserializeSUserIndexReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &indexReq) != 0) {
-    terrno = TSDB_CODE_INVALID_MSG;
-    goto _OVER;
-  }
-
-  code = mndProcessGetSmaReq(pMnode, &indexReq, &rsp, &exist);
-  if (code) {
-    goto _OVER;
-  }
-
-  if (!exist) {
-    // TODO GET INDEX FROM FULLTEXT
-    code = -1;
-    terrno = TSDB_CODE_MND_DB_INDEX_NOT_EXIST;
-  } else {
-    int32_t contLen = tSerializeSUserIndexRsp(NULL, 0, &rsp);
-    void   *pRsp = rpcMallocCont(contLen);
-    if (pRsp == NULL) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      code = -1;
-      goto _OVER;
-    }
-
-    tSerializeSUserIndexRsp(pRsp, contLen, &rsp);
-
-    pReq->pRsp = pRsp;
-    pReq->rspLen = contLen;
-
-    code = 0;
-  }
-
-_OVER:
-  if (code != 0) {
-    mError("failed to get index %s since %s", indexReq.indexFName, terrstr());
-  }
-
-  return code;
-}
diff --git a/source/dnode/mnode/impl/src/mndFunc.c b/source/dnode/mnode/impl/src/mndFunc.c
index b9331e6e03..3ac2951b6f 100644
--- a/source/dnode/mnode/impl/src/mndFunc.c
+++ b/source/dnode/mnode/impl/src/mndFunc.c
@@ -314,7 +314,7 @@ static int32_t mndProcessCreateFuncReq(SNodeMsg *pReq) {
    goto _OVER;
  }
 
-  if (createReq.bufSize <= 0 || createReq.bufSize > TSDB_FUNC_BUF_SIZE) {
+  if (createReq.bufSize < 0 || createReq.bufSize > TSDB_FUNC_BUF_SIZE) {
     terrno = TSDB_CODE_MND_INVALID_FUNC_BUFSIZE;
     goto _OVER;
   }
diff --git a/source/dnode/mnode/impl/src/mndOffset.c b/source/dnode/mnode/impl/src/mndOffset.c
index f075348704..e0ba4076f5 100644
--- a/source/dnode/mnode/impl/src/mndOffset.c
+++ b/source/dnode/mnode/impl/src/mndOffset.c
@@ -231,3 +231,36 @@ static void mndCancelGetNextOffset(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
+
+static int32_t mndSetDropOffsetCommitLogs(SMnode *pMnode, STrans *pTrans, SMqOffsetObj *pOffset) {
+  SSdbRaw *pCommitRaw = mndOffsetActionEncode(pOffset);
+  if (pCommitRaw == NULL) return -1;
+  if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
+  if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
+  return 0;
+}
+
+int32_t mndDropOffsetByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) {
+  int32_t code = -1;
+  SSdb   *pSdb = pMnode->pSdb;
+
+  void         *pIter = NULL;
+  SMqOffsetObj *pOffset = NULL;
+  while (1) {
+    pIter = sdbFetch(pSdb, SDB_SUBSCRIBE, pIter, (void **)&pOffset);
+    if (pIter == NULL) break;
+
+    if (pOffset->dbUid != pDb->uid) {
+      sdbRelease(pSdb, pOffset);
+      continue;
+    }
+
+    if (mndSetDropOffsetCommitLogs(pMnode, pTrans, pOffset) < 0) {
+      goto END;
+    }
+  }
+
+  code = 0;
+END:
+  return code;
+}
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 59d07fd4aa..2de337537f 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -403,6 +403,16 @@ static int32_t mndProcessQueryHeartBeat(SMnode *pMnode, SRpcMsg *pMsg, SClientHb
     SKv *kv = pIter;
 
     switch (kv->key) {
+      case HEARTBEAT_KEY_USER_AUTHINFO: {
+        void *  rspMsg = NULL;
+        int32_t rspLen = 0;
+        mndValidateUserAuthInfo(pMnode, kv->value, kv->valueLen / sizeof(SUserAuthVersion), &rspMsg, &rspLen);
+        if (rspMsg && rspLen > 0) {
+          SKv kv1 = {.key = HEARTBEAT_KEY_USER_AUTHINFO, .valueLen = rspLen, .value = rspMsg};
+          taosArrayPush(hbRsp.info, &kv1);
+        }
+        break;
+      }
       case HEARTBEAT_KEY_DBINFO: {
         void *  rspMsg = NULL;
         int32_t rspLen = 0;
diff --git a/source/dnode/mnode/impl/src/mndScheduler.c b/source/dnode/mnode/impl/src/mndScheduler.c
index b760dd6aa8..9274d35b8b 100644
--- a/source/dnode/mnode/impl/src/mndScheduler.c
+++ b/source/dnode/mnode/impl/src/mndScheduler.c
@@ -204,6 +204,8 @@ int32_t mndAddShuffledSinkToStream(SMnode* pMnode, STrans* pTrans, SStreamObj* p
       pTask->smaSink.smaId = pStream->smaId;
     } else {
       pTask->sinkType = TASK_SINK__TABLE;
+      pTask->tbSink.pSchemaWrapper = tCloneSSchemaWrapper(&pStream->outputSchema);
+      ASSERT(pTask->tbSink.pSchemaWrapper);
     }
 
     // dispatch
@@ -242,6 +244,7 @@ int32_t mndAddFixedSinkToStream(SMnode* pMnode, STrans* pTrans, SStreamObj* pStr
     pTask->smaSink.smaId = pStream->smaId;
   } else {
     pTask->sinkType = TASK_SINK__TABLE;
+    pTask->tbSink.pSchemaWrapper = tCloneSSchemaWrapper(&pStream->outputSchema);
   }
   //
   // dispatch
@@ -316,6 +319,7 @@ int32_t mndScheduleStream(SMnode* pMnode, STrans* pTrans, SStreamObj* pStream) {
               pTask->smaSink.smaId = pStream->smaId;
             } else {
               pTask->sinkType = TASK_SINK__TABLE;
+              pTask->tbSink.pSchemaWrapper = tCloneSSchemaWrapper(&pStream->outputSchema);
             }
 #endif
           }
diff --git a/source/dnode/mnode/impl/src/mndSma.c b/source/dnode/mnode/impl/src/mndSma.c
index 0e3e8b68cc..8619df978b 100644
--- a/source/dnode/mnode/impl/src/mndSma.c
+++ b/source/dnode/mnode/impl/src/mndSma.c
@@ -40,6 +40,7 @@ static int32_t  mndProcessMCreateSmaReq(SNodeMsg *pReq);
 static int32_t  mndProcessMDropSmaReq(SNodeMsg *pReq);
 static int32_t  mndProcessVCreateSmaRsp(SNodeMsg *pRsp);
 static int32_t  mndProcessVDropSmaRsp(SNodeMsg *pRsp);
+static int32_t  mndProcessGetSmaReq(SNodeMsg *pReq);
 static int32_t  mndRetrieveSma(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void     mndCancelGetNextSma(SMnode *pMnode, void *pIter);
 
@@ -56,6 +57,7 @@ int32_t mndInitSma(SMnode *pMnode) {
   mndSetMsgHandle(pMnode, TDMT_MND_DROP_SMA, mndProcessMDropSmaReq);
   mndSetMsgHandle(pMnode, TDMT_VND_CREATE_SMA_RSP, mndProcessVCreateSmaRsp);
   mndSetMsgHandle(pMnode, TDMT_VND_DROP_SMA_RSP, mndProcessVDropSmaRsp);
+  mndSetMsgHandle(pMnode, TDMT_MND_GET_INDEX, mndProcessGetSmaReq);
 
   mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_INDEX, mndRetrieveSma);
   mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_INDEX, mndCancelGetNextSma);
@@ -686,7 +688,7 @@ _OVER:
   return code;
 }
 
-int32_t mndProcessGetSmaReq(SMnode *pMnode, SUserIndexReq *indexReq, SUserIndexRsp *rsp, bool *exist) {
+static int32_t mndGetSma(SMnode *pMnode, SUserIndexReq *indexReq, SUserIndexRsp *rsp, bool *exist) {
   int32_t  code = -1;
   SSmaObj *pSma = NULL;
 
@@ -715,6 +717,51 @@ int32_t mndProcessGetSmaReq(SMnode *pMnode, SUserIndexReq *indexReq, SUserIndexR
   }
 
   mndReleaseSma(pMnode, pSma);
+  return code;
+}
+
+static int32_t mndProcessGetSmaReq(SNodeMsg *pReq) {
+  SUserIndexReq indexReq = {0};
+  SMnode       *pMnode = pReq->pNode;
+  int32_t       code = -1;
+  SUserIndexRsp rsp = {0};
+  bool          exist = false;
+
+  if (tDeserializeSUserIndexReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &indexReq) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    goto _OVER;
+  }
+
+  code = mndGetSma(pMnode, &indexReq, &rsp, &exist);
+  if (code) {
+    goto _OVER;
+  }
+
+  if (!exist) {
+    // TODO GET INDEX FROM FULLTEXT
+    code = -1;
+    terrno = TSDB_CODE_MND_DB_INDEX_NOT_EXIST;
+  } else {
+    int32_t contLen = tSerializeSUserIndexRsp(NULL, 0, &rsp);
+    void   *pRsp = rpcMallocCont(contLen);
+    if (pRsp == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      code = -1;
+      goto _OVER;
+    }
+
+    tSerializeSUserIndexRsp(pRsp, contLen, &rsp);
+
+    pReq->pRsp = pRsp;
+    pReq->rspLen = contLen;
+
+    code = 0;
+  }
+
+_OVER:
+  if (code != 0) {
+    mError("failed to get index %s since %s", indexReq.indexFName, terrstr());
+  }
 
   return code;
 }
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index f3438bd0dc..43e2735984 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -1050,7 +1050,7 @@ static int32_t mndTransExecuteActions(SMnode *pMnode, STrans *pTrans, SArray *pA
 
 static int32_t mndTransExecuteRedoActions(SMnode *pMnode, STrans *pTrans) {
   int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->redoActions);
-  if (code != 0) {
+  if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
     mError("failed to execute redoActions since %s", terrstr());
   }
   return code;
@@ -1058,7 +1058,7 @@ static int32_t mndTransExecuteRedoActions(SMnode *pMnode, STrans *pTrans) {
 
 static int32_t mndTransExecuteUndoActions(SMnode *pMnode, STrans *pTrans) {
   int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->undoActions);
-  if (code != 0) {
+  if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
     mError("failed to execute undoActions since %s", terrstr());
   }
   return code;
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 5e15bdeb43..8b5fa06faf 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -186,6 +186,7 @@ static SSdbRow *mndUserActionDecode(SSdbRaw *pRaw) {
   }
 
   SDB_GET_RESERVE(pRaw, dataPos, USER_RESERVE_SIZE, _OVER)
+  taosInitRWLatch(&pUser->lock);
 
   terrno = 0;
 
@@ -228,11 +229,12 @@ static int32_t mndUserActionDelete(SSdb *pSdb, SUserObj *pUser) {
 
 static int32_t mndUserActionUpdate(SSdb *pSdb, SUserObj *pOld, SUserObj *pNew) {
   mTrace("user:%s, perform update action, old row:%p new row:%p", pOld->user, pOld, pNew);
-  memcpy(pOld->pass, pNew->pass, TSDB_PASSWORD_LEN);
+  taosWLockLatch(&pOld->lock);
   pOld->updateTime = pNew->updateTime;
-
+  memcpy(pOld->pass, pNew->pass, TSDB_PASSWORD_LEN);
   TSWAP(pOld->readDbs, pNew->readDbs);
   TSWAP(pOld->writeDbs, pNew->writeDbs);
+  taosWUnLockLatch(&pOld->lock);
 
   return 0;
 }
@@ -426,8 +428,12 @@ static int32_t mndProcessAlterUserReq(SNodeMsg *pReq) {
   }
 
   memcpy(&newUser, pUser, sizeof(SUserObj));
+
+  taosRLockLatch(&pUser->lock);
   newUser.readDbs = mndDupDbHash(pUser->readDbs);
   newUser.writeDbs = mndDupDbHash(pUser->writeDbs);
+  taosRUnLockLatch(&pUser->lock);
+
   if (newUser.readDbs == NULL || newUser.writeDbs == NULL) {
     goto _OVER;
   }
@@ -451,13 +457,16 @@ static int32_t mndProcessAlterUserReq(SNodeMsg *pReq) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       goto _OVER;
     }
+    newUser.authVersion++;
   } else if (alterReq.alterType == TSDB_ALTER_USER_REMOVE_READ_DB) {
     if (taosHashRemove(newUser.readDbs, alterReq.dbname, len) != 0) {
       terrno = TSDB_CODE_MND_DB_NOT_EXIST;
       goto _OVER;
     }
+    newUser.authVersion++;
   } else if (alterReq.alterType == TSDB_ALTER_USER_CLEAR_READ_DB) {
     taosHashClear(newUser.readDbs);
+    newUser.authVersion++;
   } else if (alterReq.alterType == TSDB_ALTER_USER_ADD_WRITE_DB) {
     if (pDb == NULL) {
       terrno = TSDB_CODE_MND_DB_NOT_EXIST;
@@ -467,13 +476,16 @@ static int32_t mndProcessAlterUserReq(SNodeMsg *pReq) {
       terrno = TSDB_CODE_OUT_OF_MEMORY;
       goto _OVER;
     }
+    newUser.authVersion++;
   } else if (alterReq.alterType == TSDB_ALTER_USER_REMOVE_WRITE_DB) {
     if (taosHashRemove(newUser.writeDbs, alterReq.dbname, len) != 0) {
       terrno = TSDB_CODE_MND_DB_NOT_EXIST;
       goto _OVER;
     }
+    newUser.authVersion++;
   } else if (alterReq.alterType == TSDB_ALTER_USER_CLEAR_WRITE_DB) {
     taosHashClear(newUser.writeDbs);
+    newUser.authVersion++;
   } else {
     terrno = TSDB_CODE_MND_INVALID_ALTER_OPER;
     goto _OVER;
@@ -576,6 +588,38 @@ _OVER:
   return code;
 }
 
+static int32_t mndSetUserAuthRsp(SMnode       *pMnode, SUserObj *pUser, SGetUserAuthRsp *pRsp) {
+  memcpy(pRsp->user, pUser->user, TSDB_USER_LEN);
+  pRsp->superAuth = pUser->superUser;
+  pRsp->version = pUser->authVersion;
+  taosRLockLatch(&pUser->lock);
+  pRsp->readDbs = mndDupDbHash(pUser->readDbs);
+  pRsp->writeDbs = mndDupDbHash(pUser->writeDbs);
+  taosRUnLockLatch(&pUser->lock);
+  pRsp->createdDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
+  if (NULL == pRsp->createdDbs) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+  
+  SSdb *pSdb = pMnode->pSdb;
+  void *pIter = NULL;
+  while (1) {
+    SDbObj *pDb = NULL;
+    pIter = sdbFetch(pSdb, SDB_DB, pIter, (void **)&pDb);
+    if (pIter == NULL) break;
+
+    if (strcmp(pDb->createUser, pUser->user) == 0) {
+      int32_t len = strlen(pDb->name) + 1;
+      taosHashPut(pRsp->createdDbs, pDb->name, len, pDb->name, len);
+    }
+
+    sdbRelease(pSdb, pDb);
+  }
+
+  return 0;
+}
+
 static int32_t mndProcessGetUserAuthReq(SNodeMsg *pReq) {
   SMnode         *pMnode = pReq->pNode;
   int32_t         code = -1;
@@ -596,25 +640,9 @@ static int32_t mndProcessGetUserAuthReq(SNodeMsg *pReq) {
     goto _OVER;
   }
 
-  memcpy(authRsp.user, pUser->user, TSDB_USER_LEN);
-  authRsp.superAuth = pUser->superUser;
-  authRsp.readDbs = mndDupDbHash(pUser->readDbs);
-  authRsp.writeDbs = mndDupDbHash(pUser->writeDbs);
-
-  SSdb *pSdb = pMnode->pSdb;
-  void *pIter = NULL;
-  while (1) {
-    SDbObj *pDb = NULL;
-    pIter = sdbFetch(pSdb, SDB_DB, pIter, (void **)&pDb);
-    if (pIter == NULL) break;
-
-    if (strcmp(pDb->createUser, pUser->user) == 0) {
-      int32_t len = strlen(pDb->name) + 1;
-      taosHashPut(authRsp.readDbs, pDb->name, len, pDb->name, len);
-      taosHashPut(authRsp.writeDbs, pDb->name, len, pDb->name, len);
-    }
-
-    sdbRelease(pSdb, pDb);
+  code = mndSetUserAuthRsp(pMnode, pUser, &authRsp);
+  if (code) {
+    goto _OVER;
   }
 
   int32_t contLen = tSerializeSGetUserAuthRsp(NULL, 0, &authRsp);
@@ -631,6 +659,7 @@ static int32_t mndProcessGetUserAuthReq(SNodeMsg *pReq) {
   code = 0;
 
 _OVER:
+  
   mndReleaseUser(pMnode, pUser);
   tFreeSGetUserAuthRsp(&authRsp);
 
@@ -681,3 +710,72 @@ static void mndCancelGetNextUser(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
+
+int32_t mndValidateUserAuthInfo(SMnode *pMnode, SUserAuthVersion *pUsers, int32_t numOfUses, void **ppRsp, int32_t *pRspLen) {
+  SUserAuthBatchRsp batchRsp = {0};
+  batchRsp.pArray = taosArrayInit(numOfUses, sizeof(SGetUserAuthRsp));
+  if (batchRsp.pArray == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  int32_t code = 0;
+  for (int32_t i = 0; i < numOfUses; ++i) {
+    SUserObj *pUser = mndAcquireUser(pMnode, pUsers[i].user);
+    if (pUser == NULL) {
+      mError("user:%s, failed to auth user since %s", pUsers[i].user, terrstr());
+      continue;
+    }
+
+    if (pUser->authVersion <= pUsers[i].version) {
+      mndReleaseUser(pMnode, pUser);
+      continue;
+    }
+    
+    SGetUserAuthRsp rsp = {0};
+    code = mndSetUserAuthRsp(pMnode, pUser, &rsp);
+    if (code) {
+      mndReleaseUser(pMnode, pUser);
+      tFreeSGetUserAuthRsp(&rsp);
+      goto _OVER;
+    }
+
+
+    taosArrayPush(batchRsp.pArray, &rsp);
+    mndReleaseUser(pMnode, pUser);
+  }
+
+  if (taosArrayGetSize(batchRsp.pArray) <= 0) {
+    *ppRsp = NULL;
+    *pRspLen = 0;
+    
+    tFreeSUserAuthBatchRsp(&batchRsp);
+    return 0;
+  }
+
+  int32_t rspLen = tSerializeSUserAuthBatchRsp(NULL, 0, &batchRsp);
+  void   *pRsp = taosMemoryMalloc(rspLen);
+  if (pRsp == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    tFreeSUserAuthBatchRsp(&batchRsp);
+    return -1;
+  }
+  tSerializeSUserAuthBatchRsp(pRsp, rspLen, &batchRsp);
+
+  *ppRsp = pRsp;
+  *pRspLen = rspLen;
+
+  tFreeSUserAuthBatchRsp(&batchRsp);
+  return 0;
+
+_OVER:
+
+  *ppRsp = NULL;
+  *pRspLen = 0;
+  
+  tFreeSUserAuthBatchRsp(&batchRsp);
+  return code;
+}
+
+
+
diff --git a/source/dnode/mnode/impl/src/mndVgroup.c b/source/dnode/mnode/impl/src/mndVgroup.c
index 31e4a8ea7d..d1e4be1161 100644
--- a/source/dnode/mnode/impl/src/mndVgroup.c
+++ b/source/dnode/mnode/impl/src/mndVgroup.c
@@ -21,8 +21,8 @@
 #include "mndShow.h"
 #include "mndTrans.h"
 
-#define TSDB_VGROUP_VER_NUMBER   1
-#define TSDB_VGROUP_RESERVE_SIZE 64
+#define VGROUP_VER_NUMBER   1
+#define VGROUP_RESERVE_SIZE 64
 
 static SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw);
 static int32_t  mndVgroupActionInsert(SSdb *pSdb, SVgObj *pVgroup);
@@ -34,19 +34,21 @@ static int32_t mndProcessAlterVnodeRsp(SNodeMsg *pRsp);
 static int32_t mndProcessDropVnodeRsp(SNodeMsg *pRsp);
 static int32_t mndProcessCompactVnodeRsp(SNodeMsg *pRsp);
 
-static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows);
+static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void    mndCancelGetNextVgroup(SMnode *pMnode, void *pIter);
-static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows);
+static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void    mndCancelGetNextVnode(SMnode *pMnode, void *pIter);
 
 int32_t mndInitVgroup(SMnode *pMnode) {
-  SSdbTable table = {.sdbType = SDB_VGROUP,
-                     .keyType = SDB_KEY_INT32,
-                     .encodeFp = (SdbEncodeFp)mndVgroupActionEncode,
-                     .decodeFp = (SdbDecodeFp)mndVgroupActionDecode,
-                     .insertFp = (SdbInsertFp)mndVgroupActionInsert,
-                     .updateFp = (SdbUpdateFp)mndVgroupActionUpdate,
-                     .deleteFp = (SdbDeleteFp)mndVgroupActionDelete};
+  SSdbTable table = {
+      .sdbType = SDB_VGROUP,
+      .keyType = SDB_KEY_INT32,
+      .encodeFp = (SdbEncodeFp)mndVgroupActionEncode,
+      .decodeFp = (SdbDecodeFp)mndVgroupActionDecode,
+      .insertFp = (SdbInsertFp)mndVgroupActionInsert,
+      .updateFp = (SdbUpdateFp)mndVgroupActionUpdate,
+      .deleteFp = (SdbDeleteFp)mndVgroupActionDelete,
+  };
 
   mndSetMsgHandle(pMnode, TDMT_DND_CREATE_VNODE_RSP, mndProcessCreateVnodeRsp);
   mndSetMsgHandle(pMnode, TDMT_VND_ALTER_VNODE_RSP, mndProcessAlterVnodeRsp);
@@ -66,29 +68,29 @@ void mndCleanupVgroup(SMnode *pMnode) {}
 SSdbRaw *mndVgroupActionEncode(SVgObj *pVgroup) {
   terrno = TSDB_CODE_OUT_OF_MEMORY;
 
-  SSdbRaw *pRaw = sdbAllocRaw(SDB_VGROUP, TSDB_VGROUP_VER_NUMBER, sizeof(SVgObj) + TSDB_VGROUP_RESERVE_SIZE);
-  if (pRaw == NULL) goto VG_ENCODE_OVER;
+  SSdbRaw *pRaw = sdbAllocRaw(SDB_VGROUP, VGROUP_VER_NUMBER, sizeof(SVgObj) + VGROUP_RESERVE_SIZE);
+  if (pRaw == NULL) goto _OVER;
 
   int32_t dataPos = 0;
-  SDB_SET_INT32(pRaw, dataPos, pVgroup->vgId, VG_ENCODE_OVER)
-  SDB_SET_INT64(pRaw, dataPos, pVgroup->createdTime, VG_ENCODE_OVER)
-  SDB_SET_INT64(pRaw, dataPos, pVgroup->updateTime, VG_ENCODE_OVER)
-  SDB_SET_INT32(pRaw, dataPos, pVgroup->version, VG_ENCODE_OVER)
-  SDB_SET_INT32(pRaw, dataPos, pVgroup->hashBegin, VG_ENCODE_OVER)
-  SDB_SET_INT32(pRaw, dataPos, pVgroup->hashEnd, VG_ENCODE_OVER)
-  SDB_SET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_ENCODE_OVER)
-  SDB_SET_INT64(pRaw, dataPos, pVgroup->dbUid, VG_ENCODE_OVER)
-  SDB_SET_INT8(pRaw, dataPos, pVgroup->replica, VG_ENCODE_OVER)
+  SDB_SET_INT32(pRaw, dataPos, pVgroup->vgId, _OVER)
+  SDB_SET_INT64(pRaw, dataPos, pVgroup->createdTime, _OVER)
+  SDB_SET_INT64(pRaw, dataPos, pVgroup->updateTime, _OVER)
+  SDB_SET_INT32(pRaw, dataPos, pVgroup->version, _OVER)
+  SDB_SET_INT32(pRaw, dataPos, pVgroup->hashBegin, _OVER)
+  SDB_SET_INT32(pRaw, dataPos, pVgroup->hashEnd, _OVER)
+  SDB_SET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, _OVER)
+  SDB_SET_INT64(pRaw, dataPos, pVgroup->dbUid, _OVER)
+  SDB_SET_INT8(pRaw, dataPos, pVgroup->replica, _OVER)
   for (int8_t i = 0; i < pVgroup->replica; ++i) {
     SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
-    SDB_SET_INT32(pRaw, dataPos, pVgid->dnodeId, VG_ENCODE_OVER)
+    SDB_SET_INT32(pRaw, dataPos, pVgid->dnodeId, _OVER)
   }
-  SDB_SET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_ENCODE_OVER)
-  SDB_SET_DATALEN(pRaw, dataPos, VG_ENCODE_OVER)
+  SDB_SET_RESERVE(pRaw, dataPos, VGROUP_RESERVE_SIZE, _OVER)
+  SDB_SET_DATALEN(pRaw, dataPos, _OVER)
 
   terrno = 0;
 
-VG_ENCODE_OVER:
+_OVER:
   if (terrno != 0) {
     mError("vgId:%d, failed to encode to raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
     sdbFreeRaw(pRaw);
@@ -103,41 +105,41 @@ SSdbRow *mndVgroupActionDecode(SSdbRaw *pRaw) {
   terrno = TSDB_CODE_OUT_OF_MEMORY;
 
   int8_t sver = 0;
-  if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto VG_DECODE_OVER;
+  if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;
 
-  if (sver != TSDB_VGROUP_VER_NUMBER) {
+  if (sver != VGROUP_VER_NUMBER) {
     terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
-    goto VG_DECODE_OVER;
+    goto _OVER;
   }
 
   SSdbRow *pRow = sdbAllocRow(sizeof(SVgObj));
-  if (pRow == NULL) goto VG_DECODE_OVER;
+  if (pRow == NULL) goto _OVER;
 
   SVgObj *pVgroup = sdbGetRowObj(pRow);
-  if (pVgroup == NULL) goto VG_DECODE_OVER;
+  if (pVgroup == NULL) goto _OVER;
 
   int32_t dataPos = 0;
-  SDB_GET_INT32(pRaw, dataPos, &pVgroup->vgId, VG_DECODE_OVER)
-  SDB_GET_INT64(pRaw, dataPos, &pVgroup->createdTime, VG_DECODE_OVER)
-  SDB_GET_INT64(pRaw, dataPos, &pVgroup->updateTime, VG_DECODE_OVER)
-  SDB_GET_INT32(pRaw, dataPos, &pVgroup->version, VG_DECODE_OVER)
-  SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashBegin, VG_DECODE_OVER)
-  SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashEnd, VG_DECODE_OVER)
-  SDB_GET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, VG_DECODE_OVER)
-  SDB_GET_INT64(pRaw, dataPos, &pVgroup->dbUid, VG_DECODE_OVER)
-  SDB_GET_INT8(pRaw, dataPos, &pVgroup->replica, VG_DECODE_OVER)
+  SDB_GET_INT32(pRaw, dataPos, &pVgroup->vgId, _OVER)
+  SDB_GET_INT64(pRaw, dataPos, &pVgroup->createdTime, _OVER)
+  SDB_GET_INT64(pRaw, dataPos, &pVgroup->updateTime, _OVER)
+  SDB_GET_INT32(pRaw, dataPos, &pVgroup->version, _OVER)
+  SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashBegin, _OVER)
+  SDB_GET_INT32(pRaw, dataPos, &pVgroup->hashEnd, _OVER)
+  SDB_GET_BINARY(pRaw, dataPos, pVgroup->dbName, TSDB_DB_FNAME_LEN, _OVER)
+  SDB_GET_INT64(pRaw, dataPos, &pVgroup->dbUid, _OVER)
+  SDB_GET_INT8(pRaw, dataPos, &pVgroup->replica, _OVER)
   for (int8_t i = 0; i < pVgroup->replica; ++i) {
     SVnodeGid *pVgid = &pVgroup->vnodeGid[i];
-    SDB_GET_INT32(pRaw, dataPos, &pVgid->dnodeId, VG_DECODE_OVER)
+    SDB_GET_INT32(pRaw, dataPos, &pVgid->dnodeId, _OVER)
     if (pVgroup->replica == 1) {
       pVgid->role = TAOS_SYNC_STATE_LEADER;
     }
   }
-  SDB_GET_RESERVE(pRaw, dataPos, TSDB_VGROUP_RESERVE_SIZE, VG_DECODE_OVER)
+  SDB_GET_RESERVE(pRaw, dataPos, VGROUP_RESERVE_SIZE, _OVER)
 
   terrno = 0;
 
-VG_DECODE_OVER:
+_OVER:
   if (terrno != 0) {
     mError("vgId:%d, failed to decode from raw:%p since %s", pVgroup->vgId, pRaw, terrstr());
     taosMemoryFreeClear(pRow);
@@ -254,6 +256,68 @@ void *mndBuildCreateVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVg
   return pReq;
 }
 
+void *mndBuildAlterVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) {
+  SAlterVnodeReq alterReq = {0};
+  alterReq.vgVersion = pVgroup->version;
+  alterReq.buffer = pDb->cfg.buffer;
+  alterReq.pages = pDb->cfg.pages;
+  alterReq.pageSize = pDb->cfg.pageSize;
+  alterReq.daysPerFile = pDb->cfg.daysPerFile;
+  alterReq.daysToKeep0 = pDb->cfg.daysToKeep0;
+  alterReq.daysToKeep1 = pDb->cfg.daysToKeep1;
+  alterReq.daysToKeep2 = pDb->cfg.daysToKeep2;
+  alterReq.fsyncPeriod = pDb->cfg.fsyncPeriod;
+  alterReq.walLevel = pDb->cfg.walLevel;
+  alterReq.strict = pDb->cfg.strict;
+  alterReq.cacheLastRow = pDb->cfg.cacheLastRow;
+  alterReq.replica = pVgroup->replica;
+  alterReq.selfIndex = -1;
+
+  for (int32_t v = 0; v < pVgroup->replica; ++v) {
+    SReplica  *pReplica = &alterReq.replicas[v];
+    SVnodeGid *pVgid = &pVgroup->vnodeGid[v];
+    SDnodeObj *pVgidDnode = mndAcquireDnode(pMnode, pVgid->dnodeId);
+    if (pVgidDnode == NULL) {
+      return NULL;
+    }
+
+    pReplica->id = pVgidDnode->id;
+    pReplica->port = pVgidDnode->port;
+    memcpy(pReplica->fqdn, pVgidDnode->fqdn, TSDB_FQDN_LEN);
+    mndReleaseDnode(pMnode, pVgidDnode);
+
+    if (pDnode->id == pVgid->dnodeId) {
+      alterReq.selfIndex = v;
+    }
+  }
+
+  if (alterReq.selfIndex == -1) {
+    terrno = TSDB_CODE_MND_APP_ERROR;
+    return NULL;
+  }
+
+  int32_t contLen = tSerializeSAlterVnodeReq(NULL, 0, &alterReq);
+  if (contLen < 0) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return NULL;
+  }
+  contLen += +sizeof(SMsgHead);
+
+  void *pReq = taosMemoryMalloc(contLen);
+  if (pReq == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return NULL;
+  }
+
+  SMsgHead *pHead = pReq;
+  pHead->contLen = htonl(contLen);
+  pHead->vgId = htonl(pVgroup->vgId);
+
+  tSerializeSAlterVnodeReq((char *)pReq + sizeof(SMsgHead), contLen, &alterReq);
+  *pContLen = contLen;
+  return pReq;
+}
+
 void *mndBuildDropVnodeReq(SMnode *pMnode, SDnodeObj *pDnode, SDbObj *pDb, SVgObj *pVgroup, int32_t *pContLen) {
   SDropVnodeReq dropReq = {0};
   dropReq.dnodeId = pDnode->id;
@@ -372,12 +436,12 @@ int32_t mndAllocVgroup(SMnode *pMnode, SDbObj *pDb, SVgObj **ppVgroups) {
   pVgroups = taosMemoryCalloc(pDb->cfg.numOfVgroups, sizeof(SVgObj));
   if (pVgroups == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
-    goto ALLOC_VGROUP_OVER;
+    goto _OVER;
   }
 
   pArray = mndBuildDnodesArray(pMnode);
   if (pArray == NULL) {
-    goto ALLOC_VGROUP_OVER;
+    goto _OVER;
   }
 
   mDebug("db:%s, total %d dnodes used to create %d vgroups (%d vnodes)", pDb->name, (int32_t)taosArrayGetSize(pArray),
@@ -410,7 +474,7 @@ int32_t mndAllocVgroup(SMnode *pMnode, SDbObj *pDb, SVgObj **ppVgroups) {
 
     if (mndGetAvailableDnode(pMnode, pVgroup, pArray) != 0) {
       terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
-      goto ALLOC_VGROUP_OVER;
+      goto _OVER;
     }
 
     allocedVgroups++;
@@ -421,7 +485,7 @@ int32_t mndAllocVgroup(SMnode *pMnode, SDbObj *pDb, SVgObj **ppVgroups) {
 
   mDebug("db:%s, %d vgroups is alloced, replica:%d", pDb->name, pDb->cfg.numOfVgroups, pDb->cfg.replications);
 
-ALLOC_VGROUP_OVER:
+_OVER:
   if (code != 0) taosMemoryFree(pVgroups);
   taosArrayDestroy(pArray);
   return code;
@@ -492,7 +556,7 @@ static int32_t mndGetVgroupMaxReplica(SMnode *pMnode, char *dbName, int8_t *pRep
   return 0;
 }
 
-static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows) {
+static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
   SMnode *pMnode = pReq->pNode;
   SSdb   *pSdb = pMnode->pSdb;
   int32_t numOfRows = 0;
@@ -533,14 +597,13 @@ static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock*
 
     // default 3 replica
     for (int32_t i = 0; i < 3; ++i) {
-
       pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
       if (i < pVgroup->replica) {
         colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->vnodeGid[i].dnodeId, false);
 
         char        buf1[20] = {0};
         const char *role = syncStr(pVgroup->vnodeGid[i].role);
-        STR_WITH_MAXSIZE_TO_VARSTR(buf1, role,   pShow->pMeta->pSchemas[cols].bytes);
+        STR_WITH_MAXSIZE_TO_VARSTR(buf1, role, pShow->pMeta->pSchemas[cols].bytes);
 
         pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
         colDataAppend(pColInfo, numOfRows, (const char *)buf1, false);
@@ -597,13 +660,12 @@ int32_t mndGetVnodesNum(SMnode *pMnode, int32_t dnodeId) {
   return numOfVnodes;
 }
 
-static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows) {
+static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
   SMnode *pMnode = pReq->pNode;
   SSdb   *pSdb = pMnode->pSdb;
   int32_t numOfRows = 0;
   SVgObj *pVgroup = NULL;
   int32_t cols = 0;
-//  int32_t dnodeId = pShow->replica;
 
   while (numOfRows < rows) {
     pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
diff --git a/source/dnode/mnode/impl/test/func/func.cpp b/source/dnode/mnode/impl/test/func/func.cpp
index 0473fa375e..c8f832160b 100644
--- a/source/dnode/mnode/impl/test/func/func.cpp
+++ b/source/dnode/mnode/impl/test/func/func.cpp
@@ -24,6 +24,7 @@ class MndTestFunc : public ::testing::Test {
 
   void SetCode(SCreateFuncReq* pReq, const char* pCode, int32_t size);
   void SetComment(SCreateFuncReq* pReq, const char* pComment);
+  void SetBufSize(SCreateFuncReq* pReq, int32_t size);
 };
 
 Testbase MndTestFunc::test;
@@ -40,6 +41,10 @@ void MndTestFunc::SetComment(SCreateFuncReq* pReq, const char* pComment) {
   strcpy(pReq->pComment, pComment);
 }
 
+void MndTestFunc::SetBufSize(SCreateFuncReq* pReq, int32_t size) {
+  pReq->bufSize = size;
+}
+
 TEST_F(MndTestFunc, 01_Show_Func) {
   test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
   EXPECT_EQ(test.GetShowRows(), 0);
@@ -96,6 +101,7 @@ TEST_F(MndTestFunc, 02_Create_Func) {
     strcpy(createReq.name, "f1");
     SetCode(&createReq, "code1", 6);
     SetComment(&createReq, "comment1");
+    SetBufSize(&createReq, -1);
 
     int32_t contLen = tSerializeSCreateFuncReq(NULL, 0, &createReq);
     void*   pReq = rpcMallocCont(contLen);
diff --git a/source/dnode/vnode/CMakeLists.txt b/source/dnode/vnode/CMakeLists.txt
index 85d0f76268..58e00ee34a 100644
--- a/source/dnode/vnode/CMakeLists.txt
+++ b/source/dnode/vnode/CMakeLists.txt
@@ -30,6 +30,7 @@ target_sources(
     "src/tsdb/tsdbFS.c"
     "src/tsdb/tsdbOpen.c"
     "src/tsdb/tsdbMemTable.c"
+    "src/tsdb/tsdbMemTable2.c"
     "src/tsdb/tsdbRead.c"
     "src/tsdb/tsdbReadImpl.c"
     "src/tsdb/tsdbSma.c"
diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index 078a493773..2716692bd7 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -40,7 +40,6 @@ typedef struct STable        STable;
 
 int  tsdbMemTableCreate(STsdb *pTsdb, STsdbMemTable **ppMemTable);
 void tsdbMemTableDestroy(STsdb *pTsdb, STsdbMemTable *pMemTable);
-int  tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlock, int32_t *pAffectedRows);
 int  tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey, int maxRowsToRead, SDataCols *pCols,
                            TKEY *filterKeys, int nFilterKeys, bool keepDup, SMergeInfo *pMergeInfo);
 
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index 5538a63b4b..3724a98a5e 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -100,6 +100,7 @@ int32_t      tsdbUpdateSmaWindow(STsdb* pTsdb, SSubmitReq* pMsg, int64_t version
 int32_t      tsdbCreateTSma(STsdb* pTsdb, char* pMsg);
 int32_t      tsdbInsertTSmaData(STsdb* pTsdb, int64_t indexUid, const char* msg);
 int          tsdbInsertData(STsdb* pTsdb, int64_t version, SSubmitReq* pMsg, SSubmitRsp* pRsp);
+int          tsdbInsertTableData(STsdb* pTsdb, SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock, int32_t* pAffectedRows);
 tsdbReaderT* tsdbQueryTables(SVnode* pVnode, SQueryTableDataCond* pCond, STableGroupInfo* groupList, uint64_t qId,
                              uint64_t taskId);
 tsdbReaderT  tsdbQueryCacheLastT(STsdb* tsdb, SQueryTableDataCond* pCond, STableGroupInfo* groupList, uint64_t qId,
@@ -125,7 +126,6 @@ int32_t tsdbUpdateTbUidList(STsdb* pTsdb, STbUidStore* pUidStore);
 void    tsdbUidStoreDestory(STbUidStore* pStore);
 void*   tsdbUidStoreFree(STbUidStore* pStore);
 int32_t tsdbTriggerRSma(STsdb* pTsdb, void* pMsg, int32_t inputType);
-int32_t tsdbProcessSubmitReq(STsdb* pTsdb, int64_t version, void* pReq);
 
 typedef struct {
   int8_t  streamType;  // sma or other
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 411d5c451c..261b4aa8ae 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -926,6 +926,12 @@ int32_t tqProcessTaskDeploy(STQ* pTq, char* msg, int32_t msgLen) {
   pTask->ahandle = pTq->pVnode;
   if (pTask->sinkType == TASK_SINK__SMA) {
     pTask->smaSink.smaHandle = smaHandleRes;
+  } else if (pTask->sinkType == TASK_SINK__TABLE) {
+    ASSERT(pTask->tbSink.pSchemaWrapper);
+    ASSERT(pTask->tbSink.pSchemaWrapper->pSchema);
+    pTask->tbSink.pTSchema =
+        tdGetSTSChemaFromSSChema(&pTask->tbSink.pSchemaWrapper->pSchema, pTask->tbSink.pSchemaWrapper->nCols);
+    ASSERT(pTask->tbSink.pTSchema);
   }
 
   taosHashPut(pTq->pStreamTasks, &pTask->taskId, sizeof(int32_t), pTask, sizeof(SStreamTask));
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index fc23534247..97b796c6a5 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -69,10 +69,6 @@ static void tsdbDestroyCommitIters(SCommitH *pCommith);
 static int  tsdbCommitToFile(SCommitH *pCommith, SDFileSet *pSet, int fid);
 static void tsdbResetCommitFile(SCommitH *pCommith);
 static int  tsdbSetAndOpenCommitFile(SCommitH *pCommith, SDFileSet *pSet, int fid);
-// static int  tsdbCommitMeta(STsdbRepo *pRepo);
-// static int  tsdbUpdateMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid, void *cont, int contLen, bool compact);
-// static int  tsdbDropMetaRecord(STsdbFS *pfs, SMFile *pMFile, uint64_t uid);
-// static int  tsdbCompactMetaFile(STsdbRepo *pRepo, STsdbFS *pfs, SMFile *pMFile);
 static int  tsdbCommitToTable(SCommitH *pCommith, int tid);
 static int  tsdbSetCommitTable(SCommitH *pCommith, STable *pTable);
 static int  tsdbComparKeyBlock(const void *arg1, const void *arg2);
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
index ff4d99f510..b52a34cfb2 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
@@ -191,9 +191,6 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
 }
 
 int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlock, int32_t *pAffectedRows) {
-  // STsdbMeta       *pMeta = pRepo->tsdbMeta;
-  // int32_t          points = 0;
-  // STable          *pTable = NULL;
   SSubmitBlkIter blkIter = {0};
   STsdbMemTable *pMemTable = pTsdb->mem;
   void          *tptr;
@@ -221,8 +218,9 @@ int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlo
   }
 
   // copy data to buffer pool
-  pBlkCopy = (SSubmitBlk *)vnodeBufPoolMalloc(pTsdb->mem->pPool, pMsgIter->dataLen + sizeof(*pBlock));
-  memcpy(pBlkCopy, pBlock, pMsgIter->dataLen + sizeof(*pBlock));
+  int32_t tlen = pMsgIter->dataLen + pMsgIter->schemaLen + sizeof(*pBlock);
+  pBlkCopy = (SSubmitBlk *)vnodeBufPoolMalloc(pTsdb->mem->pPool, tlen);
+  memcpy(pBlkCopy, pBlock, tlen);
 
   tInitSubmitBlkIter(pMsgIter, pBlkCopy, &blkIter);
   if (blkIter.row == NULL) return 0;
@@ -241,7 +239,7 @@ int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlo
   if (pMemTable->keyMin > keyMin) pMemTable->keyMin = keyMin;
   if (pMemTable->keyMax < keyMax) pMemTable->keyMax = keyMax;
 
-  (*pAffectedRows) += pMsgIter->numOfRows;
+  (*pAffectedRows) = pMsgIter->numOfRows;
 
   return 0;
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable2.c b/source/dnode/vnode/src/tsdb/tsdbMemTable2.c
new file mode 100644
index 0000000000..ae0d4630d1
--- /dev/null
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable2.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "tsdb.h"
+
+typedef struct SMemTable       SMemTable;
+typedef struct SMemData        SMemData;
+typedef struct SMemSkipList    SMemSkipList;
+typedef struct SMemSkipListCfg SMemSkipListCfg;
+
+struct SMemTable {
+  STsdb     *pTsdb;
+  TSKEY      minKey;
+  TSKEY      maxKey;
+  int64_t    minVer;
+  int64_t    maxVer;
+  int64_t    nRows;
+  int32_t    nHash;
+  int32_t    nBucket;
+  SMemData **pBuckets;
+};
+
+struct SMemSkipListCfg {
+  int8_t  maxLevel;
+  int32_t nKey;
+  int32_t nData;
+};
+
+struct SMemSkipList {
+  int8_t   level;
+  uint32_t seed;
+};
+
+struct SMemData {
+  SMemData    *pHashNext;
+  tb_uid_t     suid;
+  tb_uid_t     uid;
+  TSKEY        minKey;
+  TSKEY        maxKey;
+  int64_t      minVer;
+  int64_t      maxVer;
+  int64_t      nRows;
+  SMemSkipList sl;
+};
+
+// SMemTable
+int32_t tsdbMemTableCreate2(STsdb *pTsdb, SMemTable **ppMemTb) {
+  SMemTable *pMemTb = NULL;
+
+  pMemTb = taosMemoryCalloc(1, sizeof(*pMemTb));
+  if (pMemTb == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  pMemTb->pTsdb = pTsdb;
+  pMemTb->minKey = TSKEY_MAX;
+  pMemTb->maxKey = TSKEY_MIN;
+  pMemTb->minVer = -1;
+  pMemTb->maxVer = -1;
+  pMemTb->nRows = 0;
+  pMemTb->nHash = 0;
+  pMemTb->nBucket = 1024;
+  pMemTb->pBuckets = taosMemoryCalloc(pMemTb->nBucket, sizeof(*pMemTb->pBuckets));
+  if (pMemTb->pBuckets == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  *ppMemTb = pMemTb;
+  return 0;
+}
+
+int32_t tsdbMemTableDestroy2(STsdb *pTsdb, SMemTable *pMT) {
+  // TODO
+  return 0;
+}
+
+// SMemData
+
+// SMemSkipList
\ No newline at end of file
diff --git a/source/dnode/vnode/src/tsdb/tsdbSma.c b/source/dnode/vnode/src/tsdb/tsdbSma.c
index 362e31ff61..480b131914 100644
--- a/source/dnode/vnode/src/tsdb/tsdbSma.c
+++ b/source/dnode/vnode/src/tsdb/tsdbSma.c
@@ -1962,6 +1962,21 @@ int32_t tsdbUpdateTbUidList(STsdb *pTsdb, STbUidStore *pStore) {
   return TSDB_CODE_SUCCESS;
 }
 
+static int32_t tsdbProcessSubmitReq(STsdb *pTsdb, int64_t version, void *pReq) {
+  if (!pReq) {
+    terrno = TSDB_CODE_INVALID_PTR;
+    return TSDB_CODE_FAILED;
+  }
+
+  SSubmitReq *pSubmitReq = (SSubmitReq *)pReq;
+
+  if (tsdbInsertData(pTsdb, version, pSubmitReq, NULL) < 0) {
+    return TSDB_CODE_FAILED;
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t tsdbFetchSubmitReqSuids(SSubmitReq *pMsg, STbUidStore *pStore) {
   ASSERT(pMsg != NULL);
   SSubmitMsgIter msgIter = {0};
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index 878dd5fca4..06da3b0e1d 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -450,7 +450,7 @@ static int vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, in
   SCoder           coder = {0};
   int              ret;
 
-  pRsp->msgType = TDMT_VND_CREATE_STB_RSP;
+  pRsp->msgType = TDMT_VND_DROP_TABLE_RSP;
   pRsp->pCont = NULL;
   pRsp->contLen = 0;
   pRsp->code = TSDB_CODE_SUCCESS;
@@ -473,9 +473,13 @@ static int vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, in
     /* code */
     ret = metaDropTable(pVnode->pMeta, version, pDropTbReq);
     if (ret < 0) {
-      dropTbRsp.code = TSDB_CODE_SUCCESS;
+      if (pDropTbReq->igNotExists && terrno == TSDB_CODE_VND_TABLE_NOT_EXIST) {
+        dropTbRsp.code = TSDB_CODE_SUCCESS;
+      } else {
+        dropTbRsp.code = terrno;
+      }
     } else {
-      dropTbRsp.code = terrno;
+      dropTbRsp.code = TSDB_CODE_SUCCESS;
     }
 
     taosArrayPush(rsp.pArray, &dropTbRsp);
@@ -488,20 +492,55 @@ _exit:
 }
 
 static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
-  SSubmitReq *pSubmitReq = (SSubmitReq *)pReq;
-  SSubmitRsp  rsp = {0};
+  SSubmitReq    *pSubmitReq = (SSubmitReq *)pReq;
+  SSubmitMsgIter msgIter = {0};
+  SSubmitBlk    *pBlock;
+  SSubmitRsp     rsp = {0};
+  SVCreateTbReq  createTbReq = {0};
+  SCoder         coder = {0};
+  int32_t        nRows;
 
   pRsp->code = 0;
 
   // handle the request
-  if (tsdbInsertData(pVnode->pTsdb, version, pSubmitReq, &rsp) < 0) {
-    pRsp->code = terrno;
-    return -1;
+  if (tInitSubmitMsgIter(pSubmitReq, &msgIter) < 0) {
+    pRsp->code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
   }
 
-  // pRsp->msgType = TDMT_VND_SUBMIT_RSP;
-  // vnodeProcessSubmitReq(pVnode, ptr, pRsp);
+  for (;;) {
+    tGetSubmitMsgNext(&msgIter, &pBlock);
+    if (pBlock == NULL) break;
 
+    // create table for auto create table mode
+    if (msgIter.schemaLen > 0) {
+      tCoderInit(&coder, TD_LITTLE_ENDIAN, pBlock->data, msgIter.schemaLen, TD_DECODER);
+      if (tDecodeSVCreateTbReq(&coder, &createTbReq) < 0) {
+        pRsp->code = TSDB_CODE_INVALID_MSG;
+        tCoderClear(&coder);
+        goto _exit;
+      }
+
+      if (metaCreateTable(pVnode->pMeta, version, &createTbReq) < 0) {
+        if (terrno != TSDB_CODE_TDB_TABLE_ALREADY_EXIST) {
+          pRsp->code = terrno;
+          tCoderClear(&coder);
+          goto _exit;
+        }
+      }
+
+      tCoderClear(&coder);
+    }
+
+    if (tsdbInsertTableData(pVnode->pTsdb, &msgIter, pBlock, &nRows) < 0) {
+      pRsp->code = terrno;
+      goto _exit;
+    }
+
+    rsp.numOfRows += nRows;
+  }
+
+_exit:
   // encode the response (TODO)
   pRsp->pCont = rpcMallocCont(sizeof(SSubmitRsp));
   memcpy(pRsp->pCont, &rsp, sizeof(rsp));
@@ -511,18 +550,3 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
 
   return 0;
 }
-
-int32_t tsdbProcessSubmitReq(STsdb *pTsdb, int64_t version, void *pReq) {
-  if (!pReq) {
-    terrno = TSDB_CODE_INVALID_PTR;
-    return TSDB_CODE_FAILED;
-  }
-
-  SSubmitReq *pSubmitReq = (SSubmitReq *)pReq;
-
-  if (tsdbInsertData(pTsdb, version, pSubmitReq, NULL) < 0) {
-    return TSDB_CODE_FAILED;
-  }
-
-  return TSDB_CODE_SUCCESS;
-}
diff --git a/source/libs/catalog/inc/catalogInt.h b/source/libs/catalog/inc/catalogInt.h
index 918892b786..3e8528e3d9 100644
--- a/source/libs/catalog/inc/catalogInt.h
+++ b/source/libs/catalog/inc/catalogInt.h
@@ -54,6 +54,7 @@ enum {
   CTG_ACT_REMOVE_DB,
   CTG_ACT_REMOVE_STB,
   CTG_ACT_REMOVE_TBL,
+  CTG_ACT_UPDATE_USER,
   CTG_ACT_MAX
 };
 
@@ -95,8 +96,18 @@ typedef struct SCtgRentMgmt {
   SCtgRentSlot  *slots;
 } SCtgRentMgmt;
 
+typedef struct SCtgUserAuth {
+  int32_t   version;
+  SRWLatch  lock;
+  bool      superUser;
+  SHashObj *createdDbs;
+  SHashObj *readDbs;
+  SHashObj *writeDbs;
+} SCtgUserAuth;
+
 typedef struct SCatalog {
   uint64_t         clusterId;  
+  SHashObj        *userCache;    //key:user, value:SCtgUserAuth
   SHashObj        *dbCache;      //key:dbname, value:SCtgDBCache
   SCtgRentMgmt     dbRent;
   SCtgRentMgmt     stbRent;
@@ -124,6 +135,8 @@ typedef struct SCtgCacheStat {
   uint64_t vgMissNum;
   uint64_t tblHitNum;
   uint64_t tblMissNum;
+  uint64_t userHitNum;
+  uint64_t userMissNum;
 } SCtgCacheStat;
 
 typedef struct SCatalogStat {
@@ -169,6 +182,11 @@ typedef struct SCtgRemoveTblMsg {
   uint64_t dbId;
 } SCtgRemoveTblMsg;
 
+typedef struct SCtgUpdateUserMsg {
+  SCatalog* pCtg;
+  SGetUserAuthRsp userAuth;
+} SCtgUpdateUserMsg;
+
 
 typedef struct SCtgMetaAction {
   int32_t  act;
@@ -234,6 +252,8 @@ typedef struct SCtgAction {
 #define CTG_FLAG_SYS_DB       0x8
 #define CTG_FLAG_FORCE_UPDATE 0x10
 
+#define CTG_FLAG_SET(_flag, _v) ((_flag) |= (_v))
+
 #define CTG_FLAG_IS_STB(_flag) ((_flag) & CTG_FLAG_STB)
 #define CTG_FLAG_IS_NOT_STB(_flag) ((_flag) & CTG_FLAG_NOT_STB)
 #define CTG_FLAG_IS_UNKNOWN_STB(_flag) ((_flag) & CTG_FLAG_UNKNOWN_STB)
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 6f1f34a57b..f485f85809 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -24,6 +24,7 @@ int32_t ctgActUpdateTbl(SCtgMetaAction *action);
 int32_t ctgActRemoveDB(SCtgMetaAction *action);
 int32_t ctgActRemoveStb(SCtgMetaAction *action);
 int32_t ctgActRemoveTbl(SCtgMetaAction *action);
+int32_t ctgActUpdateUser(SCtgMetaAction *action);
 
 extern SCtgDebug gCTGDebug;
 SCatalogMgmt gCtgMgmt = {0};
@@ -51,6 +52,11 @@ SCtgAction gCtgAction[CTG_ACT_MAX] = {{
                             CTG_ACT_REMOVE_TBL,
                             "remove tbMeta",
                             ctgActRemoveTbl
+                          },
+                          {
+                            CTG_ACT_UPDATE_USER,
+                            "update user",
+                            ctgActUpdateUser
                           }
 };
 
@@ -357,6 +363,31 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgPushUpdateUserMsgInQueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syncReq) {
+  int32_t code = 0;
+  SCtgMetaAction action= {.act = CTG_ACT_UPDATE_USER, .syncReq = syncReq};
+  SCtgUpdateUserMsg *msg = taosMemoryMalloc(sizeof(SCtgUpdateUserMsg));
+  if (NULL == msg) {
+    ctgError("malloc %d failed", (int32_t)sizeof(SCtgUpdateUserMsg));
+    CTG_ERR_RET(TSDB_CODE_CTG_MEM_ERROR);
+  }
+
+  msg->pCtg = pCtg;
+  msg->userAuth = *pAuth;
+
+  action.data = msg;
+
+  CTG_ERR_JRET(ctgPushAction(pCtg, &action));
+
+  return TSDB_CODE_SUCCESS;
+  
+_return:
+
+  tFreeSGetUserAuthRsp(pAuth);
+  taosMemoryFreeClear(msg);
+  
+  CTG_RET(code);
+}
 
 int32_t ctgAcquireVgInfo(SCatalog *pCtg, SCtgDBCache *dbCache, bool *inCache) {
   CTG_LOCK(CTG_READ, &dbCache->vgLock);
@@ -687,6 +718,43 @@ int32_t ctgGetUdfInfoFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEp
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgGetUserDbAuthFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char *user, SGetUserAuthRsp *authRsp) {
+  char *msg = NULL;
+  int32_t msgLen = 0;
+
+  ctgDebug("try to get user auth from mnode, user:%s", user);
+
+  int32_t code = queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)]((void *)user, &msg, 0, &msgLen);
+  if (code) {
+    ctgError("Build get user auth msg failed, code:%x, db:%s", code, user);
+    CTG_ERR_RET(code);
+  }
+  
+  SRpcMsg rpcMsg = {
+      .msgType = TDMT_MND_GET_USER_AUTH,
+      .pCont   = msg,
+      .contLen = msgLen,
+  };
+
+  SRpcMsg rpcRsp = {0};
+
+  rpcSendRecv(pRpc, (SEpSet*)pMgmtEps, &rpcMsg, &rpcRsp);
+  if (TSDB_CODE_SUCCESS != rpcRsp.code) {
+    ctgError("error rsp for get user auth, error:%s, user:%s", tstrerror(rpcRsp.code), user);
+    CTG_ERR_RET(rpcRsp.code);
+  }
+
+  code = queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)](authRsp, rpcRsp.pCont, rpcRsp.contLen);
+  if (code) {
+    ctgError("Process get user auth rsp failed, code:%x, user:%s", code, user);
+    CTG_ERR_RET(code);
+  }
+
+  ctgDebug("Got user auth from mnode, user:%s", user);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 
 int32_t ctgIsTableMetaExistInCache(SCatalog* pCtg, char *dbFName, char* tbName, int32_t *exist) {
   if (NULL == pCtg->dbCache) {
@@ -859,6 +927,55 @@ int32_t ctgGetTableTypeFromCache(SCatalog* pCtg, const char* dbFName, const char
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgChkAuthFromCache(SCatalog* pCtg, const char* user, const char* dbFName, AUTH_TYPE type, bool *inCache, bool *pass) {
+  if (NULL == pCtg->userCache) {
+    ctgDebug("empty user auth cache, user:%s", user);
+    goto _return;
+  }
+  
+  SCtgUserAuth *pUser = (SCtgUserAuth *)taosHashGet(pCtg->userCache, user, strlen(user));
+  if (NULL == pUser) {
+    ctgDebug("user not in cache, user:%s", user);
+    goto _return;
+  }
+
+  *inCache = true;
+
+  ctgDebug("Got user from cache, user:%s", user);
+  CTG_CACHE_STAT_ADD(userHitNum, 1);
+  
+  if (pUser->superUser) {
+    *pass = true;
+    return TSDB_CODE_SUCCESS;
+  }
+
+  CTG_LOCK(CTG_READ, &pUser->lock);
+  if (pUser->createdDbs && taosHashGet(pUser->createdDbs, dbFName, strlen(dbFName))) {
+    *pass = true;
+    CTG_UNLOCK(CTG_READ, &pUser->lock);
+    return TSDB_CODE_SUCCESS;
+  }
+  
+  if (pUser->readDbs && taosHashGet(pUser->readDbs, dbFName, strlen(dbFName)) && type == AUTH_TYPE_READ) {
+    *pass = true;
+  }
+  
+  if (pUser->writeDbs && taosHashGet(pUser->writeDbs, dbFName, strlen(dbFName)) && type == AUTH_TYPE_WRITE) {
+    *pass = true;
+  }
+
+  CTG_UNLOCK(CTG_READ, &pUser->lock);
+  
+  return TSDB_CODE_SUCCESS;
+
+_return:
+
+  *inCache = false;
+  CTG_CACHE_STAT_ADD(userMissNum, 1);
+  
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t ctgGetTableMetaFromMnodeImpl(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, char *dbFName, char* tbName, STableMetaOutput* output) {
   SBuildTableMetaInput bInput = {.vgId = 0, .dbFName = dbFName, .tbName = tbName};
   char *msg = NULL;
@@ -1952,6 +2069,45 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgChkAuth(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* user, const char* dbFName, AUTH_TYPE type, bool *pass) {
+  bool inCache = false;
+  int32_t code = 0;
+  
+  *pass = false;
+  
+  CTG_ERR_RET(ctgChkAuthFromCache(pCtg, user, dbFName, type, &inCache, pass));
+
+  if (inCache) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  SGetUserAuthRsp authRsp = {0};
+  CTG_ERR_RET(ctgGetUserDbAuthFromMnode(pCtg, pRpc, pMgmtEps, user, &authRsp));
+  
+  if (authRsp.superAuth) {
+    *pass = true;
+    goto _return;
+  }
+
+  if (authRsp.createdDbs && taosHashGet(authRsp.createdDbs, dbFName, strlen(dbFName))) {
+    *pass = true;
+    goto _return;
+  }
+
+  if (authRsp.readDbs && taosHashGet(authRsp.readDbs, dbFName, strlen(dbFName)) && type == AUTH_TYPE_READ) {
+    *pass = true;
+  }
+
+  if (authRsp.writeDbs && taosHashGet(authRsp.writeDbs, dbFName, strlen(dbFName)) && type == AUTH_TYPE_WRITE) {
+    *pass = true;
+  }
+
+_return:
+
+  ctgPushUpdateUserMsgInQueue(pCtg, &authRsp, false);
+
+  return TSDB_CODE_SUCCESS;
+}
 
 
 int32_t ctgActUpdateVg(SCtgMetaAction *action) {
@@ -2121,6 +2277,67 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgActUpdateUser(SCtgMetaAction *action) {
+  int32_t code = 0;
+  SCtgUpdateUserMsg *msg = action->data;
+  SCatalog* pCtg = msg->pCtg;
+
+  if (NULL == pCtg->userCache) {
+    pCtg->userCache = taosHashInit(gCtgMgmt.cfg.maxUserCacheNum, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK);
+    if (NULL == pCtg->userCache) {
+      ctgError("taosHashInit %d user cache failed", gCtgMgmt.cfg.maxUserCacheNum);
+      CTG_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
+    }
+  }
+  
+  SCtgUserAuth *pUser = (SCtgUserAuth *)taosHashGet(pCtg->userCache, msg->userAuth.user, strlen(msg->userAuth.user));
+  if (NULL == pUser) {
+    SCtgUserAuth userAuth = {0};
+
+    userAuth.version = msg->userAuth.version;
+    userAuth.superUser = msg->userAuth.superAuth;
+    userAuth.createdDbs = msg->userAuth.createdDbs;
+    userAuth.readDbs = msg->userAuth.readDbs;
+    userAuth.writeDbs = msg->userAuth.writeDbs;
+
+    if (taosHashPut(pCtg->userCache, msg->userAuth.user, strlen(msg->userAuth.user), &userAuth, sizeof(userAuth))) {
+      ctgError("taosHashPut user %s to cache failed", msg->userAuth.user);
+      CTG_ERR_JRET(TSDB_CODE_OUT_OF_MEMORY);
+    }
+
+    return TSDB_CODE_SUCCESS;
+  }
+
+  pUser->version = msg->userAuth.version;
+
+  CTG_LOCK(CTG_WRITE, &pUser->lock);
+
+  taosHashCleanup(pUser->createdDbs);
+  pUser->createdDbs = msg->userAuth.createdDbs;
+  msg->userAuth.createdDbs = NULL;
+
+  taosHashCleanup(pUser->readDbs);
+  pUser->readDbs = msg->userAuth.readDbs;
+  msg->userAuth.readDbs = NULL;
+
+  taosHashCleanup(pUser->writeDbs);
+  pUser->writeDbs = msg->userAuth.writeDbs;
+  msg->userAuth.writeDbs = NULL;
+
+  CTG_UNLOCK(CTG_WRITE, &pUser->lock);
+
+_return:
+
+
+  taosHashCleanup(msg->userAuth.createdDbs);
+  taosHashCleanup(msg->userAuth.readDbs);
+  taosHashCleanup(msg->userAuth.writeDbs);
+ 
+  taosMemoryFreeClear(msg);
+  
+  CTG_RET(code);
+}
+
 
 void* ctgUpdateThreadFunc(void* param) {
   setThreadName("catalog");
@@ -2836,6 +3053,35 @@ int32_t catalogGetExpiredDBs(SCatalog* pCtg, SDbVgVersion **dbs, uint32_t *num)
   CTG_API_LEAVE(ctgMetaRentGet(&pCtg->dbRent, (void **)dbs, num, sizeof(SDbVgVersion)));
 }
 
+int32_t catalogGetExpiredUsers(SCatalog* pCtg, SUserAuthVersion **users, uint32_t *num) {
+  CTG_API_ENTER();
+  
+  if (NULL == pCtg || NULL == users || NULL == num) {
+    CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  *num = taosHashGetSize(pCtg->userCache);
+  if (*num > 0) {
+    *users = taosMemoryCalloc(*num, sizeof(SUserAuthVersion));
+    if (NULL == *users) {
+      ctgError("calloc %d userAuthVersion failed", *num);
+      CTG_API_LEAVE(TSDB_CODE_OUT_OF_MEMORY);
+    }
+  }
+
+  uint32_t i = 0;
+  SCtgUserAuth *pAuth = taosHashIterate(pCtg->userCache, NULL);
+  while (pAuth != NULL) {
+    void *key = taosHashGetKey(pAuth, NULL);
+    strncpy((*users)[i].user, key, sizeof((*users)[i].user));
+    (*users)[i].version = pAuth->version;
+    pAuth = taosHashIterate(pCtg->userCache, pAuth);
+  }
+
+  CTG_API_LEAVE(TSDB_CODE_SUCCESS);
+}
+
+
 int32_t catalogGetDBCfg(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* dbFName, SDbCfgInfo* pDbCfg) {
   CTG_API_ENTER();
   
@@ -2880,6 +3126,31 @@ _return:
   CTG_API_LEAVE(code);
 }
 
+int32_t catalogChkAuth(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* user, const char* dbFName, AUTH_TYPE type, bool *pass) {
+  CTG_API_ENTER();
+  
+  if (NULL == pCtg || NULL == pRpc || NULL == pMgmtEps || NULL == user || NULL == dbFName || NULL == pass) {
+    CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  int32_t code = 0;
+  CTG_ERR_JRET(ctgChkAuth(pCtg, pRpc, pMgmtEps, user, dbFName, type, pass));
+  
+_return:
+
+  CTG_API_LEAVE(code);
+}
+
+int32_t catalogUpdateUserAuthInfo(SCatalog* pCtg, SGetUserAuthRsp* pAuth) {
+  CTG_API_ENTER();
+
+  if (NULL == pCtg || NULL == pAuth) {
+    CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  CTG_API_LEAVE(ctgPushUpdateUserMsgInQueue(pCtg, pAuth, false));
+}
+
 
 void catalogDestroy(void) {
   qInfo("start to destroy catalog");
diff --git a/source/libs/function/CMakeLists.txt b/source/libs/function/CMakeLists.txt
index 15813b3cb0..c31cabda19 100644
--- a/source/libs/function/CMakeLists.txt
+++ b/source/libs/function/CMakeLists.txt
@@ -48,8 +48,7 @@ target_include_directories(
         PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
 )
 target_link_libraries(
-    udf1 PUBLIC os
-)
+    udf1 PUBLIC os)
 
 add_library(udf2 MODULE test/udf2.c)
 target_include_directories(
diff --git a/source/libs/function/inc/tudfInt.h b/source/libs/function/inc/tudfInt.h
index 8aedd59c33..6f82542aee 100644
--- a/source/libs/function/inc/tudfInt.h
+++ b/source/libs/function/inc/tudfInt.h
@@ -19,9 +19,6 @@
 extern "C" {
 #endif
 
-//TODO replaces them with fnDebug
-//#define debugPrint(...) taosPrintLog("Function", DEBUG_INFO,  135, __VA_ARGS__)
-#define debugPrint(...) {fprintf(stderr, __VA_ARGS__);fprintf(stderr, "\n");}
 enum {
   UDF_TASK_SETUP = 0,
   UDF_TASK_CALL = 1,
@@ -107,7 +104,7 @@ void* decodeUdfRequest(const void *buf, SUdfRequest* request);
 int32_t encodeUdfResponse(void **buf, const SUdfResponse *response);
 void* decodeUdfResponse(const void* buf, SUdfResponse *response);
 
-void freeUdfColumnData(SUdfColumnData *data);
+void freeUdfColumnData(SUdfColumnData *data, SUdfColumnMeta *meta);
 void freeUdfColumn(SUdfColumn* col);
 void freeUdfDataDataBlock(SUdfDataBlock *block);
 
diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index 9aac2bfe0c..5b1573c88f 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -481,8 +481,8 @@ void* decodeUdfResponse(const void* buf, SUdfResponse* rsp) {
   return (void*)buf;
 }
 
-void freeUdfColumnData(SUdfColumnData *data) {
-  if (data->varLengthColumn) {
+void freeUdfColumnData(SUdfColumnData *data, SUdfColumnMeta *meta) {
+  if (IS_VAR_DATA_TYPE(meta->type)) {
     taosMemoryFree(data->varLenCol.varOffsets);
     data->varLenCol.varOffsets = NULL;
     taosMemoryFree(data->varLenCol.payload);
@@ -496,7 +496,7 @@ void freeUdfColumnData(SUdfColumnData *data) {
 }
 
 void freeUdfColumn(SUdfColumn* col) {
-  freeUdfColumnData(&col->colData);
+  freeUdfColumnData(&col->colData, &col->colMeta);
 }
 
 void freeUdfDataDataBlock(SUdfDataBlock *block) {
@@ -528,8 +528,7 @@ int32_t convertDataBlockToUdfDataBlock(SSDataBlock *block, SUdfDataBlock *udfBlo
     udfCol->colMeta.scale = col->info.scale;
     udfCol->colMeta.precision = col->info.precision;
     udfCol->colData.numOfRows = udfBlock->numOfRows;
-    udfCol->colData.varLengthColumn = IS_VAR_DATA_TYPE(udfCol->colMeta.type);
-    if (udfCol->colData.varLengthColumn) {
+    if (IS_VAR_DATA_TYPE(udfCol->colMeta.type)) {
       udfCol->colData.varLenCol.varOffsetsLen = sizeof(int32_t) * udfBlock->numOfRows;
       udfCol->colData.varLenCol.varOffsets = taosMemoryMalloc(udfCol->colData.varLenCol.varOffsetsLen);
       memcpy(udfCol->colData.varLenCol.varOffsets, col->varmeta.offset, udfCol->colData.varLenCol.varOffsetsLen);
@@ -555,7 +554,7 @@ int32_t convertDataBlockToUdfDataBlock(SSDataBlock *block, SUdfDataBlock *udfBlo
 int32_t convertUdfColumnToDataBlock(SUdfColumn *udfCol, SSDataBlock *block) {
   block->info.numOfCols = 1;
   block->info.rows = udfCol->colData.numOfRows;
-  block->info.hasVarCol = udfCol->colData.varLengthColumn;
+  block->info.hasVarCol = IS_VAR_DATA_TYPE(udfCol->colMeta.type);
 
   block->pDataBlock = taosArrayInit(1, sizeof(SColumnInfoData));
   taosArraySetSize(block->pDataBlock, 1);
diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index 06fa49e1c2..ba9fca2969 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -75,8 +75,8 @@ typedef struct SUdf {
   char   path[PATH_MAX];
 
   uv_lib_t              lib;
+
   TUdfScalarProcFunc    scalarProcFunc;
-  TUdfFreeUdfColumnFunc freeUdfColumn;
 
   TUdfAggStartFunc      aggStartFunc;
   TUdfAggProcessFunc    aggProcFunc;
@@ -106,11 +106,6 @@ int32_t udfdLoadUdf(char *udfName, SUdf *udf) {
     char processFuncName[TSDB_FUNC_NAME_LEN] = {0};
     strcpy(processFuncName, udfName);
     uv_dlsym(&udf->lib, processFuncName, (void **)(&udf->scalarProcFunc));
-    char  freeFuncName[TSDB_FUNC_NAME_LEN + 5] = {0};
-    char *freeSuffix = "_free";
-    strncpy(freeFuncName, processFuncName, strlen(processFuncName));
-    strncat(freeFuncName, freeSuffix, strlen(freeSuffix));
-    uv_dlsym(&udf->lib, freeFuncName, (void **)(&udf->freeUdfColumn));
   } else if (udf->funcType == TSDB_FUNC_TYPE_AGGREGATE) {
     char processFuncName[TSDB_FUNC_NAME_LEN] = {0};
     strcpy(processFuncName, udfName);
@@ -215,7 +210,7 @@ void udfdProcessRequest(uv_work_t *req) {
           udf->scalarProcFunc(&input, &output);
 
           convertUdfColumnToDataBlock(&output, &response.callRsp.resultData);
-          udf->freeUdfColumn(&output);
+          freeUdfColumn(&output);
           break;
         }
         case TSDB_UDF_CALL_AGG_INIT: {
diff --git a/source/libs/function/test/udf1.c b/source/libs/function/test/udf1.c
index b2367313ae..4384d326cb 100644
--- a/source/libs/function/test/udf1.c
+++ b/source/libs/function/test/udf1.c
@@ -18,52 +18,20 @@ int32_t udf1_destroy() {
 }
 
 int32_t udf1(SUdfDataBlock* block, SUdfColumn *resultCol) {
-  SUdfColumnData *resultData = &resultCol->colData;
-  resultData->numOfRows = block->numOfRows;
-  SUdfColumnData *srcData = &block->udfCols[0]->colData;
-  resultData->varLengthColumn = srcData->varLengthColumn;
-
-  if (resultData->varLengthColumn) {
-    resultData->varLenCol.varOffsetsLen = srcData->varLenCol.varOffsetsLen;
-    resultData->varLenCol.varOffsets = malloc(resultData->varLenCol.varOffsetsLen);
-    memcpy(resultData->varLenCol.varOffsets, srcData->varLenCol.varOffsets, srcData->varLenCol.varOffsetsLen);
-
-    resultData->varLenCol.payloadLen = srcData->varLenCol.payloadLen;
-    resultData->varLenCol.payload = malloc(resultData->varLenCol.payloadLen);
-    memcpy(resultData->varLenCol.payload, srcData->varLenCol.payload, srcData->varLenCol.payloadLen);
-  } else {
-    resultData->fixLenCol.nullBitmapLen = srcData->fixLenCol.nullBitmapLen;
-    resultData->fixLenCol.nullBitmap = malloc(resultData->fixLenCol.nullBitmapLen);
-    memcpy(resultData->fixLenCol.nullBitmap, srcData->fixLenCol.nullBitmap, srcData->fixLenCol.nullBitmapLen);
-
-    resultData->fixLenCol.dataLen = srcData->fixLenCol.dataLen;
-    resultData->fixLenCol.data = malloc(resultData->fixLenCol.dataLen);
-    memcpy(resultData->fixLenCol.data, srcData->fixLenCol.data, srcData->fixLenCol.dataLen);
-    for (int32_t i = 0; i < resultData->numOfRows; ++i) {
-      *(resultData->fixLenCol.data + i * sizeof(int32_t)) = 88;
-    }
-  }
-
   SUdfColumnMeta *meta = &resultCol->colMeta;
   meta->bytes = 4;
   meta->type = TSDB_DATA_TYPE_INT;
   meta->scale = 0;
   meta->precision = 0;
-  return 0;
-}
 
-int32_t udf1_free(SUdfColumn *col) {
-  SUdfColumnData *data = &col->colData;
-  if (data->varLengthColumn) {
-    free(data->varLenCol.varOffsets);
-    data->varLenCol.varOffsets = NULL;
-    free(data->varLenCol.payload);
-    data->varLenCol.payload = NULL;
-  } else {
-    free(data->fixLenCol.nullBitmap);
-    data->fixLenCol.nullBitmap = NULL;
-    free(data->fixLenCol.data);
-    data->fixLenCol.data = NULL;
+  SUdfColumnData *resultData = &resultCol->colData;
+  resultData->numOfRows = block->numOfRows;
+  SUdfColumnData *srcData = &block->udfCols[0]->colData;
+
+  for (int32_t i = 0; i < resultData->numOfRows; ++i) {
+    int32_t luckyNum = 88;
+    udfColSetRow(resultCol, i, (char*)&luckyNum, false);
   }
+
   return 0;
 }
\ No newline at end of file
diff --git a/source/libs/nodes/src/nodesCodeFuncs.c b/source/libs/nodes/src/nodesCodeFuncs.c
index 6c85d9dff5..5dcacc4354 100644
--- a/source/libs/nodes/src/nodesCodeFuncs.c
+++ b/source/libs/nodes/src/nodesCodeFuncs.c
@@ -1971,7 +1971,18 @@ static int32_t datumToJson(const void* pObj, SJson* pJson) {
     case TSDB_DATA_TYPE_DOUBLE:
       code = tjsonAddDoubleToObject(pJson, jkValueDatum, pNode->datum.d);
       break;
-    case TSDB_DATA_TYPE_NCHAR:
+    case TSDB_DATA_TYPE_NCHAR: {
+      //cJSON only support utf-8 encoding. Convert memory content to hex string.
+      char *buf = taosMemoryCalloc(varDataLen(pNode->datum.p) * 2 + 1, sizeof(char));
+      code = taosHexEncode(varDataVal(pNode->datum.p), buf, varDataLen(pNode->datum.p));
+      if(code != TSDB_CODE_SUCCESS) {
+        taosMemoryFree(buf);
+        return TSDB_CODE_TSC_INVALID_VALUE;
+      }
+      code = tjsonAddStringToObject(pJson, jkValueDatum, buf);
+      taosMemoryFree(buf);
+      break;
+    }
     case TSDB_DATA_TYPE_VARCHAR:
     case TSDB_DATA_TYPE_VARBINARY:
       code = tjsonAddStringToObject(pJson, jkValueDatum, varDataVal(pNode->datum.p));
@@ -2074,7 +2085,26 @@ static int32_t jsonToDatum(const SJson* pJson, void* pObj) {
         break;
       }
       varDataSetLen(pNode->datum.p, pNode->node.resType.bytes);
-      code = tjsonGetStringValue(pJson, jkValueDatum, varDataVal(pNode->datum.p));
+      if (TSDB_DATA_TYPE_NCHAR == pNode->node.resType.type) {
+        char *buf = taosMemoryCalloc(1, pNode->node.resType.bytes * 2 + VARSTR_HEADER_SIZE + 1);
+        if (NULL == buf) {
+          code = TSDB_CODE_OUT_OF_MEMORY;
+          break;
+        }
+        code = tjsonGetStringValue(pJson, jkValueDatum, buf);
+        if (code != TSDB_CODE_SUCCESS) {
+          taosMemoryFree(buf);
+          break;
+        }
+        code = taosHexDecode(buf, varDataVal(pNode->datum.p), pNode->node.resType.bytes - VARSTR_HEADER_SIZE);
+        if (code != TSDB_CODE_SUCCESS) {
+          taosMemoryFree(buf);
+          break;
+        }
+        taosMemoryFree(buf);
+      } else {
+        code = tjsonGetStringValue(pJson, jkValueDatum, varDataVal(pNode->datum.p));
+      }
       break;
     }
     case TSDB_DATA_TYPE_JSON:
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index c021f65090..82c5d17f10 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -363,10 +363,8 @@ SNode* createCastFunctionNode(SAstCreateContext* pCxt, SNode* pExpr, SDataType d
   CHECK_OUT_OF_MEM(func);
   strcpy(func->functionName, "cast");
   func->node.resType = dt;
-  if (TSDB_DATA_TYPE_BINARY == dt.type) {
-    func->node.resType.bytes += 2;
-  } else if (TSDB_DATA_TYPE_NCHAR == dt.type) {
-    func->node.resType.bytes = func->node.resType.bytes * TSDB_NCHAR_SIZE + 2;
+  if (TSDB_DATA_TYPE_NCHAR == dt.type) {
+    func->node.resType.bytes = func->node.resType.bytes * TSDB_NCHAR_SIZE;
   }
   nodesListMakeAppend(&func->pParameterList, pExpr);
   return (SNode*)func;
diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 152aa6a01e..e82873b923 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -22,7 +22,6 @@
 #include "ttime.h"
 #include "ttypes.h"
 
-// clang-format off
 #define NEXT_TOKEN(pSql, sToken)                \
   do {                                          \
     int32_t index = 0;                          \
@@ -248,12 +247,11 @@ static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SToken* pTname, bool
   } else {
     CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name,
                                    &pCxt->pTableMeta));
+    SVgroupInfo vg;
+    CHECK_CODE(
+        catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &vg));
+    CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
   }
-  SVgroupInfo vg;
-  CHECK_CODE(
-      catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &vg));
-  CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
-
   return TSDB_CODE_SUCCESS;
 }
 
@@ -828,12 +826,21 @@ static int32_t cloneTableMeta(STableMeta* pSrc, STableMeta** pDst) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t storeTableMeta(SHashObj* pHash, const char* pName, int32_t len, STableMeta* pMeta) {
+static int32_t storeTableMeta(SInsertParseContext* pCxt, SHashObj* pHash, SName* pTableName, const char* pName,
+                              int32_t len, STableMeta* pMeta) {
+  SVgroupInfo    vg;
+  SParseContext* pBasicCtx = pCxt->pComCxt;
+  CHECK_CODE(
+      catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, pTableName, &vg));
+  CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
+
+  pMeta->uid = tGenIdPI64();
+  pMeta->vgId = vg.vgId;
+
   STableMeta* pBackup = NULL;
   if (TSDB_CODE_SUCCESS != cloneTableMeta(pMeta, &pBackup)) {
     return TSDB_CODE_TSC_OUT_OF_MEMORY;
   }
-  pBackup->uid = tGenIdPI64();
   return taosHashPut(pHash, pName, len, &pBackup, POINTER_BYTES);
 }
 
@@ -856,7 +863,7 @@ static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken)
   if (TSDB_SUPER_TABLE != pCxt->pTableMeta->tableType) {
     return buildInvalidOperationMsg(&pCxt->msg, "create table only from super table is allowed");
   }
-  CHECK_CODE(storeTableMeta(pCxt->pSubTableHashObj, tbFName, len, pCxt->pTableMeta));
+  CHECK_CODE(storeTableMeta(pCxt, pCxt->pSubTableHashObj, &name, tbFName, len, pCxt->pTableMeta));
 
   SSchema* pTagsSchema = getTableTagSchema(pCxt->pTableMeta);
   setBoundColumnInfo(&pCxt->tags, pTagsSchema, getNumOfTags(pCxt->pTableMeta));
@@ -1262,9 +1269,10 @@ int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t qBindStmtTagsValue(void *pBlock, void *boundTags, int64_t suid, SName *pName, TAOS_MULTI_BIND *bind, char *msgBuf, int32_t msgBufLen){
-  STableDataBlocks *pDataBlock = (STableDataBlocks *)pBlock;
-  SMsgBuf pBuf = {.buf = msgBuf, .len = msgBufLen}; 
+int32_t qBindStmtTagsValue(void* pBlock, void* boundTags, int64_t suid, SName* pName, TAOS_MULTI_BIND* bind,
+                           char* msgBuf, int32_t msgBufLen) {
+  STableDataBlocks*   pDataBlock = (STableDataBlocks*)pBlock;
+  SMsgBuf             pBuf = {.buf = msgBuf, .len = msgBufLen};
   SParsedDataColInfo* tags = (SParsedDataColInfo*)boundTags;
   if (NULL == tags) {
     return TSDB_CODE_QRY_APP_ERROR;
@@ -1312,11 +1320,10 @@ int32_t qBindStmtTagsValue(void *pBlock, void *boundTags, int64_t suid, SName *p
   return TSDB_CODE_SUCCESS;
 }
 
-
-int32_t qBindStmtColsValue(void *pBlock, TAOS_MULTI_BIND *bind, char *msgBuf, int32_t msgBufLen) {
-  STableDataBlocks *pDataBlock = (STableDataBlocks *)pBlock;
-  SSchema* pSchema = getTableColumnSchema(pDataBlock->pTableMeta);
-  int32_t extendedRowSize = getExtendedRowSize(pDataBlock);
+int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen) {
+  STableDataBlocks*   pDataBlock = (STableDataBlocks*)pBlock;
+  SSchema*            pSchema = getTableColumnSchema(pDataBlock->pTableMeta);
+  int32_t             extendedRowSize = getExtendedRowSize(pDataBlock);
   SParsedDataColInfo* spd = &pDataBlock->boundColumnInfo;
   SRowBuilder*        pBuilder = &pDataBlock->rowBuilder;
   SMemParam           param = {.rb = pBuilder};
@@ -1391,10 +1398,11 @@ int32_t qBindStmtColsValue(void *pBlock, TAOS_MULTI_BIND *bind, char *msgBuf, in
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t qBindStmtSingleColValue(void *pBlock, TAOS_MULTI_BIND *bind, char *msgBuf, int32_t msgBufLen, int32_t colIdx, int32_t rowNum) {
-  STableDataBlocks *pDataBlock = (STableDataBlocks *)pBlock;
-  SSchema* pSchema = getTableColumnSchema(pDataBlock->pTableMeta);
-  int32_t extendedRowSize = getExtendedRowSize(pDataBlock);
+int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen, int32_t colIdx,
+                                int32_t rowNum) {
+  STableDataBlocks*   pDataBlock = (STableDataBlocks*)pBlock;
+  SSchema*            pSchema = getTableColumnSchema(pDataBlock->pTableMeta);
+  int32_t             extendedRowSize = getExtendedRowSize(pDataBlock);
   SParsedDataColInfo* spd = &pDataBlock->boundColumnInfo;
   SRowBuilder*        pBuilder = &pDataBlock->rowBuilder;
   SMemParam           param = {.rb = pBuilder};
@@ -1459,7 +1467,7 @@ int32_t qBindStmtSingleColValue(void *pBlock, TAOS_MULTI_BIND *bind, char *msgBu
     }
 
 #ifdef TD_DEBUG_PRINT_ROW
-    if(rowEnd) {
+    if (rowEnd) {
       STSchema* pSTSchema = tdGetSTSChemaFromSSChema(&pSchema, spd->numOfCols);
       tdSRowPrint(row, pSTSchema, __func__);
       taosMemoryFree(pSTSchema);
diff --git a/source/libs/parser/src/parInsertData.c b/source/libs/parser/src/parInsertData.c
index ae05d2293e..4a96301d95 100644
--- a/source/libs/parser/src/parInsertData.c
+++ b/source/libs/parser/src/parInsertData.c
@@ -498,14 +498,9 @@ int32_t mergeTableDataBlocks(SHashObj* pHashObj, uint8_t payloadType, SArray** p
         ASSERT(blkKeyInfo.pKeyTuple != NULL && pBlocks->numOfRows > 0);
       }
 
-      int32_t len = pBlocks->numOfRows *
-                        (isRawPayload ? (pOneTableBlock->rowSize + expandSize) : getExtendedRowSize(pOneTableBlock)) +
-                    sizeof(STColumn) * getNumOfColumns(pOneTableBlock->pTableMeta);
-
       // erase the empty space reserved for binary data
       int32_t finalLen =
           trimDataBlock(dataBuf->pData + dataBuf->size, pOneTableBlock, blkKeyInfo.pKeyTuple, isRawPayload);
-      assert(finalLen <= len);
 
       dataBuf->size += (finalLen + sizeof(SSubmitBlk));
       assert(dataBuf->size <= dataBuf->nAllocSize);
diff --git a/source/libs/qcom/src/querymsg.c b/source/libs/qcom/src/querymsg.c
index 286e7d3d44..822c214fe5 100644
--- a/source/libs/qcom/src/querymsg.c
+++ b/source/libs/qcom/src/querymsg.c
@@ -181,6 +181,25 @@ int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int3
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t queryBuildGetUserAuthMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+  if (NULL == msg || NULL == msgLen) {
+    return TSDB_CODE_TSC_INVALID_INPUT;
+  }
+
+  SGetUserAuthReq req = {0};
+  strncpy(req.user, input, sizeof(req.user));
+
+  int32_t bufLen = tSerializeSGetUserAuthReq(NULL, 0, &req);
+  void   *pBuf = rpcMallocCont(bufLen);
+  tSerializeSGetUserAuthReq(pBuf, bufLen, &req);
+
+  *msg = pBuf;
+  *msgLen = bufLen;
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
 int32_t queryProcessUseDBRsp(void *output, char *msg, int32_t msgSize) {
   SUseDbOutput *pOut = output;
   SUseDbRsp     usedbRsp = {0};
@@ -419,6 +438,20 @@ int32_t queryProcessRetrieveFuncRsp(void *output, char *msg, int32_t msgSize) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t queryProcessGetUserAuthRsp(void *output, char *msg, int32_t msgSize) {
+  if (NULL == output || NULL == msg || msgSize <= 0) {
+    return TSDB_CODE_TSC_INVALID_INPUT;
+  }
+
+  if (tDeserializeSGetUserAuthRsp(msg, msgSize, (SGetUserAuthRsp *)output) != 0) {
+    qError("tDeserializeSGetUserAuthRsp failed, msgSize:%d", msgSize);
+    return TSDB_CODE_INVALID_MSG;
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
 void initQueryModuleMsgHandle() {
   queryBuildMsg[TMSG_INDEX(TDMT_VND_TABLE_META)] = queryBuildTableMetaReqMsg;
   queryBuildMsg[TMSG_INDEX(TDMT_MND_TABLE_META)] = queryBuildTableMetaReqMsg;
@@ -427,6 +460,8 @@ void initQueryModuleMsgHandle() {
   queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_DB_CFG)] = queryBuildGetDBCfgMsg;
   queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_INDEX)]  = queryBuildGetIndexMsg;
   queryBuildMsg[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)]  = queryBuildRetrieveFuncMsg;
+  queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)]  = queryBuildGetUserAuthMsg;
+  
 
   queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_TABLE_META)] = queryProcessTableMetaRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_TABLE_META)] = queryProcessTableMetaRsp;
@@ -435,6 +470,7 @@ void initQueryModuleMsgHandle() {
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_DB_CFG)] = queryProcessGetDbCfgRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_INDEX)]  = queryProcessGetIndexRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)]  = queryProcessRetrieveFuncRsp;
+  queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)]  = queryProcessGetUserAuthRsp;
 }
 
 #pragma GCC diagnostic pop
diff --git a/source/libs/scalar/src/sclfunc.c b/source/libs/scalar/src/sclfunc.c
index 4df6148a6e..77caf67a2b 100644
--- a/source/libs/scalar/src/sclfunc.c
+++ b/source/libs/scalar/src/sclfunc.c
@@ -709,6 +709,10 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
   int16_t outputType = GET_PARAM_TYPE(&pOutput[0]);
   int64_t outputLen  = GET_PARAM_BYTES(&pOutput[0]);
 
+  if (IS_VAR_DATA_TYPE(outputType)) {
+    outputLen += VARSTR_HEADER_SIZE;
+  }
+
   char *outputBuf = taosMemoryCalloc(outputLen * pInput[0].numOfRows, 1);
   char *output = outputBuf;
 
@@ -790,29 +794,30 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
       }
       case TSDB_DATA_TYPE_NCHAR: {
         int32_t outputCharLen = (outputLen - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
+        int32_t len;
         if (inputType == TSDB_DATA_TYPE_BOOL) {
           char tmp[8] = {0};
-          int32_t len = sprintf(tmp, "%.*s", outputCharLen, *(int8_t *)input ? "true" : "false" );
+          len = sprintf(tmp, "%.*s", outputCharLen, *(int8_t *)input ? "true" : "false" );
           bool ret = taosMbsToUcs4(tmp, len, (TdUcs4 *)varDataVal(output), outputLen - VARSTR_HEADER_SIZE, &len);
           if (!ret) {
             return TSDB_CODE_FAILED;
           }
           varDataSetLen(output, len);
         } else if (inputType == TSDB_DATA_TYPE_BINARY) {
-          int32_t len = outputCharLen > varDataLen(input) ? varDataLen(input) : outputCharLen;
+          len = outputCharLen > varDataLen(input) ? varDataLen(input) : outputCharLen;
           bool ret = taosMbsToUcs4(input + VARSTR_HEADER_SIZE, len, (TdUcs4 *)varDataVal(output), outputLen - VARSTR_HEADER_SIZE, &len);
           if (!ret) {
             return TSDB_CODE_FAILED;
           }
           varDataSetLen(output, len);
         } else if (inputType == TSDB_DATA_TYPE_NCHAR) {
-          int32_t len = TMIN(outputLen, varDataLen(input) + VARSTR_HEADER_SIZE);
-          memcpy(output, input, len);
-          varDataSetLen(output, len - VARSTR_HEADER_SIZE);
+          len = TMIN(outputLen - VARSTR_HEADER_SIZE, varDataLen(input));
+          memcpy(output, input, len + VARSTR_HEADER_SIZE);
+          varDataSetLen(output, len);
         } else {
           char tmp[400] = {0};
           NUM_TO_STRING(inputType, input, sizeof(tmp), tmp);
-          int32_t len = (int32_t)strlen(tmp);
+          len = (int32_t)strlen(tmp);
           len = outputCharLen > len ? len : outputCharLen;
           bool ret = taosMbsToUcs4(tmp, len, (TdUcs4 *)varDataVal(output), outputLen - VARSTR_HEADER_SIZE, &len);
           if (!ret) {
@@ -820,6 +825,10 @@ int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutp
           }
           varDataSetLen(output, len);
         }
+        //for constant conversion, need to set proper length of pOutput description
+        if (len < outputLen - VARSTR_HEADER_SIZE) {
+          pOutput->columnData->info.bytes = len;
+        }
         break;
       }
       default: {
diff --git a/source/libs/stream/src/tstream.c b/source/libs/stream/src/tstream.c
index cf3cd162aa..b8198364c2 100644
--- a/source/libs/stream/src/tstream.c
+++ b/source/libs/stream/src/tstream.c
@@ -152,8 +152,10 @@ int32_t streamExecTask(SStreamTask* pTask, SMsgCb* pMsgCb, const void* input, in
 
   // sink
   if (pTask->sinkType == TASK_SINK__TABLE) {
-    //
-    blockDebugShowData(pRes);
+    /*blockDebugShowData(pRes);*/
+    ASSERT(pTask->tbSink.pTSchema);
+    SSubmitReq* pReq = tdBlockToSubmit(pRes, pTask->tbSink.pTSchema);
+    tPrintFixedSchemaSubmitReq(pReq, pTask->tbSink.pTSchema);
   } else if (pTask->sinkType == TASK_SINK__SMA) {
     pTask->smaSink.smaHandle(pTask->ahandle, pTask->smaSink.smaId, pRes);
     //
@@ -274,7 +276,8 @@ int32_t tEncodeSStreamTask(SCoder* pEncoder, const SStreamTask* pTask) {
   }
 
   if (pTask->sinkType == TASK_SINK__TABLE) {
-    if (tEncodeI8(pEncoder, pTask->tbSink.reserved) < 0) return -1;
+    /*if (tEncodeI8(pEncoder, pTask->tbSink.reserved) < 0) return -1;*/
+    if (tEncodeSSchemaWrapper(pEncoder, pTask->tbSink.pSchemaWrapper) < 0) return -1;
   } else if (pTask->sinkType == TASK_SINK__SMA) {
     if (tEncodeI64(pEncoder, pTask->smaSink.smaId) < 0) return -1;
   } else if (pTask->sinkType == TASK_SINK__FETCH) {
@@ -318,7 +321,10 @@ int32_t tDecodeSStreamTask(SCoder* pDecoder, SStreamTask* pTask) {
   }
 
   if (pTask->sinkType == TASK_SINK__TABLE) {
-    if (tDecodeI8(pDecoder, &pTask->tbSink.reserved) < 0) return -1;
+    /*if (tDecodeI8(pDecoder, &pTask->tbSink.reserved) < 0) return -1;*/
+    pTask->tbSink.pSchemaWrapper = taosMemoryCalloc(1, sizeof(SSchemaWrapper));
+    if (pTask->tbSink.pSchemaWrapper == NULL) return -1;
+    if (tDecodeSSchemaWrapper(pDecoder, pTask->tbSink.pSchemaWrapper) < 0) return -1;
   } else if (pTask->sinkType == TASK_SINK__SMA) {
     if (tDecodeI64(pDecoder, &pTask->smaSink.smaId) < 0) return -1;
   } else if (pTask->sinkType == TASK_SINK__FETCH) {
diff --git a/source/libs/transport/src/trans.c b/source/libs/transport/src/trans.c
index f776fb3764..846cf6f967 100644
--- a/source/libs/transport/src/trans.c
+++ b/source/libs/transport/src/trans.c
@@ -46,9 +46,21 @@ void* rpcOpen(const SRpcInit* pInit) {
     pRpc->numOfThreads = pInit->numOfThreads > TSDB_MAX_RPC_THREADS ? TSDB_MAX_RPC_THREADS : pInit->numOfThreads;
   }
 
+  uint32_t ip = 0;
+  if (pInit->connType == TAOS_CONN_SERVER) {
+    ip = taosGetIpv4FromFqdn(pInit->localFqdn);
+    if (ip == 0xFFFFFFFF) {
+      tError("invalid fqdn: %s", pInit->localFqdn);
+      terrno = TSDB_CODE_RPC_FQDN_ERROR;
+      taosMemoryFree(pRpc);
+      return NULL;
+    }
+  }
+
   pRpc->connType = pInit->connType;
   pRpc->idleTime = pInit->idleTime;
-  pRpc->tcphandle = (*taosInitHandle[pRpc->connType])(0, pInit->localPort, pRpc->label, pRpc->numOfThreads, NULL, pRpc);
+  pRpc->tcphandle =
+      (*taosInitHandle[pRpc->connType])(ip, pInit->localPort, pRpc->label, pRpc->numOfThreads, NULL, pRpc);
   if (pRpc->tcphandle == NULL) {
     taosMemoryFree(pRpc);
     return NULL;
diff --git a/source/libs/transport/src/transComm.c b/source/libs/transport/src/transComm.c
index 1bd7d0857e..98e9e67ede 100644
--- a/source/libs/transport/src/transComm.c
+++ b/source/libs/transport/src/transComm.c
@@ -435,7 +435,7 @@ int transDQSched(SDelayQueue* queue, void (*func)(void* arg), void* arg, uint64_
   if (minNode) {
     SDelayTask* minTask = container_of(minNode, SDelayTask, node);
     if (minTask->execTime < task->execTime) {
-      timeoutMs = minTask->execTime <= now ? 0 : now - minTask->execTime;
+      timeoutMs = minTask->execTime <= now ? 0 : minTask->execTime - now;
     }
   }
 
diff --git a/source/libs/transport/src/transSrv.c b/source/libs/transport/src/transSrv.c
index 7378ca3241..ad3f520210 100644
--- a/source/libs/transport/src/transSrv.c
+++ b/source/libs/transport/src/transSrv.c
@@ -817,7 +817,6 @@ void* transInitServer(uint32_t ip, uint32_t port, char* label, int numOfThreads,
 
     srv->pipe[i] = (uv_pipe_t*)taosMemoryCalloc(2, sizeof(uv_pipe_t));
 
-
     uv_os_sock_t fds[2];
     if (uv_socketpair(SOCK_STREAM, 0, fds, UV_NONBLOCK_PIPE, UV_NONBLOCK_PIPE) != 0) {
       goto End;
@@ -841,6 +840,10 @@ void* transInitServer(uint32_t ip, uint32_t port, char* label, int numOfThreads,
       goto End;
     }
   }
+  if (false == taosValidIpAndPort(srv->ip, srv->port)) {
+    tError("failed to bind, reason: %s", terrstr());
+    goto End;
+  }
   if (false == addHandleToAcceptloop(srv)) {
     goto End;
   }
diff --git a/source/os/src/osDir.c b/source/os/src/osDir.c
index 6d90773d1b..19e4defafc 100644
--- a/source/os/src/osDir.c
+++ b/source/os/src/osDir.c
@@ -44,7 +44,7 @@ int wordexp(char *words, wordexp_t *pwordexp, int flags) {
     return -1;
   }
 
-  printf("parse relative path:%s to abs path:%s\n", words, pwordexp->wordPos);
+  // printf("parse relative path:%s to abs path:%s\n", words, pwordexp->wordPos);
   return 0;
 }
 
diff --git a/source/os/src/osSocket.c b/source/os/src/osSocket.c
index 6aa8520082..8cac660039 100644
--- a/source/os/src/osSocket.c
+++ b/source/os/src/osSocket.c
@@ -638,6 +638,48 @@ int32_t taosKeepTcpAlive(TdSocketPtr pSocket) {
   return 0;
 }
 
+bool taosValidIpAndPort(uint32_t ip, uint16_t port) {
+  struct sockaddr_in serverAdd;
+  SocketFd           fd;
+  int32_t            reuse;
+
+  // printf("open tcp server socket:0x%x:%hu", ip, port);
+
+  bzero((char *)&serverAdd, sizeof(serverAdd));
+  serverAdd.sin_family = AF_INET;
+  serverAdd.sin_addr.s_addr = ip;
+  serverAdd.sin_port = (uint16_t)htons(port);
+
+  if ((fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) <= 2) {
+    // printf("failed to open TCP socket: %d (%s)", errno, strerror(errno));
+    taosCloseSocketNoCheck1(fd);
+    return false;
+  }
+
+  TdSocketPtr pSocket = (TdSocketPtr)taosMemoryMalloc(sizeof(TdSocket));
+  if (pSocket == NULL) {
+    taosCloseSocketNoCheck1(fd);
+    return false;
+  }
+  pSocket->refId = 0;
+  pSocket->fd = fd;
+
+  /* set REUSEADDR option, so the portnumber can be re-used */
+  reuse = 1;
+  if (taosSetSockOpt(pSocket, SOL_SOCKET, SO_REUSEADDR, (void *)&reuse, sizeof(reuse)) < 0) {
+    // printf("setsockopt SO_REUSEADDR failed: %d (%s)", errno, strerror(errno));
+    taosCloseSocket(&pSocket);
+    return NULL;
+  }
+  /* bind socket to server address */
+  if (bind(pSocket->fd, (struct sockaddr *)&serverAdd, sizeof(serverAdd)) < 0) {
+    // printf("bind tcp server socket failed, 0x%x:%hu(%s)", ip, port, strerror(errno));
+    taosCloseSocket(&pSocket);
+    return false;
+  }
+  taosCloseSocket(&pSocket);
+  return true;
+}
 TdSocketServerPtr taosOpenTcpServerSocket(uint32_t ip, uint16_t port) {
   struct sockaddr_in serverAdd;
   SocketFd           fd;
diff --git a/source/os/src/osString.c b/source/os/src/osString.c
index ed596a051d..375c5001f4 100644
--- a/source/os/src/osString.c
+++ b/source/os/src/osString.c
@@ -195,6 +195,36 @@ int32_t taosUcs4len(TdUcs4 *ucs4) {
   return n;
 }
 
+//dst buffer size should be at least 2*len + 1
+int32_t taosHexEncode(const char *src, char *dst, int32_t len) {
+  if (!dst) {
+    return -1;
+  }
+
+  for (int32_t i = 0; i < len; ++i) {
+    sprintf(dst + i * 2, "%02x", src[i] & 0xff);
+  }
+
+  return 0;
+}
+
+int32_t taosHexDecode(const char *src, char *dst, int32_t len) {
+  if (!dst) {
+    return -1;
+  }
+
+  uint16_t hn, ln, out;
+  for (int i = 0, j = 0; i < len * 2; i += 2, ++j ) {
+    hn = src[i] > '9' ? src[i] - 'A' + 10 : src[i] - '0';
+    ln = src[i + 1] > '9' ? src[i + 1] - 'A' + 10 : src[i + 1] - '0';
+
+    out = (hn << 4) | ln;
+    memcpy(dst + j, &out, 1);
+  }
+
+  return 0;
+}
+
 int32_t taosWcharWidth(TdWchar wchar) { return wcwidth(wchar); }
 
 int32_t taosWcharsWidth(TdWchar *pWchar, int32_t size) { return wcswidth(pWchar, size); }
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index d1c5e83975..b95e822df3 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -39,6 +39,7 @@
 ./test.sh -f tsim/query/explain.sim
 ./test.sh -f tsim/query/session.sim
 ./test.sh -f tsim/query/scalarNull.sim
+./test.sh -f tsim/query/udf.sim
 
 # ---- qnode
 ./test.sh -f tsim/qnode/basic1.sim
diff --git a/tests/script/sh/copy_udf.sh b/tests/script/sh/copy_udf.sh
new file mode 100755
index 0000000000..e1d9ff53d2
--- /dev/null
+++ b/tests/script/sh/copy_udf.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set +e
+#set -x
+
+echo "Executing copy_udf.sh"
+
+SCRIPT_DIR=`dirname $0`
+cd $SCRIPT_DIR/../
+
+IN_TDINTERNAL="community"
+if [[ "$SCRIPT_DIR" == *"$IN_TDINTERNAL"* ]]; then
+  cd ../../..
+else
+  cd ../../
+fi
+
+TAOS_DIR=`pwd`
+UDF1_DIR=`find $TAOS_DIR -name "libudf1.so"|grep lib|head -n1`
+UDF2_DIR=`find $TAOS_DIR -name "libudf2.so"|grep lib|head -n1`
+
+echo $UDF1_DIR
+echo $UDF2_DIR
+
+UDF_TMP=/tmp/udf
+mkdir $UDF_TMP
+rm $UDF_TMP/libudf1.so
+rm $UDF_TMP/libudf2.so
+
+echo "Copy udf shared library files to $UDF_TMP"
+
+cp $UDF1_DIR $UDF_TMP 
+cp $UDF2_DIR $UDF_TMP
diff --git a/tests/script/tsim/db/alter_option.sim b/tests/script/tsim/db/alter_option.sim
index 417e53daff..40882306c8 100644
--- a/tests/script/tsim/db/alter_option.sim
+++ b/tests/script/tsim/db/alter_option.sim
@@ -66,7 +66,7 @@ print ============= create database
 #  | REPLICA value      [1 | 3]
 #  | WAL value          [1 | 2]
 
-sql create database db CACHELAST 3 COMP 0 DAYS 345600 FSYNC 1000 MAXROWS 8000 MINROWS 10 KEEP 1440000 PRECISION 'ns' REPLICA 1 WAL 2 VGROUPS 6 SINGLE_STABLE 1
+sql create database db CACHELAST 3 COMP 0 DAYS 345600 FSYNC 1000 MAXROWS 8000 MINROWS 10 KEEP 1440000 PRECISION 'ns' REPLICA 3 WAL 2 VGROUPS 6 SINGLE_STABLE 1
 sql show databases
 print rows: $rows
 print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07 $data08 $data09
@@ -86,7 +86,7 @@ endi
 if $data3_db != 0 then  # ntables
   return -1
 endi
-if $data4_db != 1 then  # replica
+if $data4_db != 3 then  # replica
   return -1
 endi
 if $data5_db != nostrict then  # strict
diff --git a/tests/script/tsim/query/udf.sim b/tests/script/tsim/query/udf.sim
new file mode 100644
index 0000000000..8acd07cfe4
--- /dev/null
+++ b/tests/script/tsim/query/udf.sim
@@ -0,0 +1,48 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c wallevel -v 2
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
+
+print ========= start dnode1 as LEADER
+system sh/exec.sh -n dnode1 -s start
+sleep 2000
+sql connect
+
+print ======== step1 udf 
+system sh/copy_udf.sh
+sql create database udf vgroups 3;
+sql use udf;
+sql show databases;
+
+sql create table t (ts timestamp, f int);
+sql insert into t values(now, 1)(now+1s, 2);
+
+sql create function udf1 as '/tmp/udf/libudf1.so' outputtype int bufSize 8;
+sql create aggregate function udf2 as '/tmp/udf/libudf2.so' outputtype double bufSize 8;
+sql show functions;
+if $rows != 2 then
+  return -1
+endi
+sql select udf1(f) from t;
+if $rows != 2 then
+  return -1
+endi
+if $data00 != 88 then
+  return -1
+endi
+if $data10 != 88 then
+  return -1
+endi
+
+sql select udf2(f) from t;
+if $rows != 1 then
+  return -1
+endi
+if $data00 != 2.236067977 then
+  return -1
+endi
+
+#sql drop function udf1;
+#sql drop function udf2;
+system sh/exec.sh -n dnode1 -s stop -x SIGKILL
diff --git a/tests/system-test/1-insert/insertWithMoreVgroup.py b/tests/system-test/1-insert/insertWithMoreVgroup.py
new file mode 100644
index 0000000000..a7d17bc41e
--- /dev/null
+++ b/tests/system-test/1-insert/insertWithMoreVgroup.py
@@ -0,0 +1,291 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import threading
+import multiprocessing as mp
+from numpy.lib.function_base import insert
+import taos
+from util.log import *
+from util.cases import *
+from util.sql import *
+import numpy as np
+import datetime as dt
+import time
+# constant define
+WAITS = 5 # wait seconds
+
+class TDTestCase:
+    #
+    # --------------- main frame -------------------
+    #
+    
+    def caseDescription(self):
+        '''
+        limit and offset keyword function test cases;
+        case1: limit offset base function test
+        case2: offset return valid
+        '''
+        return 
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root)-len("/build/bin")]
+                    break
+        return buildPath
+
+    # init
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        # tdSql.prepare()
+        # self.create_tables();
+        self.ts = 1500000000000
+
+
+    # run case   
+    def run(self):
+
+        #  test base case
+        self.test_case1()
+        tdLog.debug(" LIMIT test_case1 ............ [OK]")
+
+        # test advance case
+        # self.test_case2()
+        # tdLog.debug(" LIMIT test_case2 ............ [OK]")
+
+    # stop 
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+    # --------------- case  -------------------
+
+    # create tables
+    def create_tables(self,dbname,stbname,count):
+        tdSql.execute("use %s" %dbname)
+        tdSql.execute("create stable %s(ts timestamp, c1 int, c2 binary(10)) tags(t1 int)"%stbname)
+        pre_create = "create table"
+        sql = pre_create
+        tdLog.debug("doing create one  stable %s and %d  child table in %s  ..." %(stbname, count ,dbname))
+        # print(time.time())
+        exeStartTime=time.time()
+        for i in range(count):
+            sql += " %s_%d using %s tags(%d)"%(stbname,i,stbname,i+1)
+            if i >0 and i%3000 == 0:
+                tdSql.execute(sql)
+                sql = pre_create
+        # print(time.time())
+        # end sql        
+        if sql != pre_create:
+            tdSql.execute(sql)
+        exeEndTime=time.time()
+        spendTime=exeEndTime-exeStartTime
+        speedCreate=count/spendTime
+        tdLog.debug("spent %.2fs to create 1 stable and %d table, create speed is %.2f table/s... [OK]"% (spendTime,count,speedCreate))
+        return
+
+    def newcur(self,host,cfg):
+        user = "root"
+        password = "taosdata"
+        port =6030 
+        con=taos.connect(host=host, user=user, password=password, config=cfg ,port=port)
+        cur=con.cursor()
+        print(cur)
+        return cur
+
+    def new_create_tables(self,dbname,vgroups,stbname,tcountStart,tcountStop):
+        host = "chenhaoran02"
+        buildPath = self.getBuildPath()
+        config = buildPath+ "../sim/dnode1/cfg/"
+        
+        tsql=self.newcur(host,config)
+        tsql.execute("create database %s vgroups %d"%(dbname,vgroups))
+        tsql.execute("use %s" %dbname)
+        tsql.execute("create stable %s(ts timestamp, c1 int, c2 binary(10)) tags(t1 int)"%stbname)
+
+        pre_create = "create table"
+        sql = pre_create
+        tcountStop=int(tcountStop)
+        tcountStart=int(tcountStart)
+        count=tcountStop-tcountStart
+
+        tdLog.debug("doing create one  stable %s and %d  child table in %s  ..." %(stbname, count ,dbname))
+        # print(time.time())
+        exeStartTime=time.time()
+        # print(type(tcountStop),type(tcountStart))
+        for i in range(tcountStart,tcountStop):
+            sql += " %s_%d using %s tags(%d)"%(stbname,i,stbname,i+1)
+            if i >0 and i%20000 == 0:
+                # print(sql)
+                tsql.execute(sql)
+                sql = pre_create
+        # print(time.time())
+        # end sql        
+        if sql != pre_create:
+            # print(sql)
+            tsql.execute(sql)
+        exeEndTime=time.time()
+        spendTime=exeEndTime-exeStartTime
+        speedCreate=count/spendTime
+        # tdLog.debug("spent %.2fs to create 1 stable and %d table, create speed is %.2f table/s... [OK]"% (spendTime,count,speedCreate))
+        return
+
+
+
+    # insert data
+    def insert_data(self, dbname, stbname, ts_start, tcountStart,tcountStop,rowCount):
+        tdSql.execute("use %s" %dbname)
+        pre_insert = "insert into "
+        sql = pre_insert
+        tcount=tcountStop-tcountStart
+        allRows=tcount*rowCount
+        tdLog.debug("doing insert data into stable:%s rows:%d ..."%(stbname, allRows))
+        exeStartTime=time.time()
+        for i in range(tcountStart,tcountStop):
+            sql += " %s_%d values "%(stbname,i)
+            for j in range(rowCount):
+                sql += "(%d, %d, 'taos_%d') "%(ts_start + j*1000, j, j)
+                if j >0 and j%5000 == 0:
+                    # print(sql)
+                    tdSql.execute(sql)
+                    sql = "insert into %s_%d values " %(stbname,i)
+        # end sql        
+        if sql != pre_insert:
+            # print(sql)
+            tdSql.execute(sql)
+        exeEndTime=time.time()
+        spendTime=exeEndTime-exeStartTime
+        speedInsert=allRows/spendTime
+        # tdLog.debug("spent %.2fs to INSERT  %d rows , insert rate is  %.2f rows/s... [OK]"% (spendTime,allRows,speedInsert))
+
+        tdLog.debug("INSERT TABLE DATA ............ [OK]")
+        return
+
+
+    # test case1 base 
+    def test_case1(self):
+        tdLog.debug("-----create database and tables test------- ")
+        tdSql.execute("drop database if exists db1")
+        tdSql.execute("drop database if exists db4")
+        tdSql.execute("drop database if exists db6")
+        tdSql.execute("drop database if exists db8")
+        tdSql.execute("drop database if exists db12")
+        tdSql.execute("drop database if exists db16")
+
+        #create database and tables;
+
+        # tdSql.execute("create database db11 vgroups 1")
+        # # self.create_tables("db1", "stb1", 30*10000)
+        # tdSql.execute("use db1")
+        # tdSql.execute("create stable stb1(ts timestamp, c1 int, c2 binary(10)) tags(t1 int)")
+
+        # tdSql.execute("create database db12 vgroups 1")
+        # # self.create_tables("db1", "stb1", 30*10000)
+        # tdSql.execute("use db1")
+
+        # t1 = threading.Thread(target=self.new_create_tables("db1", "stb1", 15*10000), args=(1,))
+        # t2 = threading.Thread(target=self.new_create_tables("db1", "stb1", 15*10000), args=(2,))
+        # t1 = mp.Process(target=self.new_create_tables, args=("db1", "stb1", 0,count/2,))
+        # t2 = mp.Process(target=self.new_create_tables, args=("db1", "stb1", count/2,count,))
+
+        count=50000
+        vgroups=1
+        threads = []
+        threadNumbers=2
+        for i in range(threadNumbers):
+            threads.append(mp.Process(target=self.new_create_tables, args=("db1%d"%i, vgroups, "stb1", 0,count,))) 
+        start_time = time.time()
+        for tr in threads:
+            tr.start()
+        for tr in threads:
+            tr.join()
+        end_time = time.time()
+        spendTime=end_time-start_time
+        speedCreate=count/spendTime
+        tdLog.debug("spent %.2fs to create 1 stable and %d table, create speed is %.2f table/s... [OK]"% (spendTime,count,speedCreate))
+        # self.new_create_tables("db1", "stb1", 15*10000)
+        # self.new_create_tables("db1", "stb1", 15*10000)
+
+        # tdSql.execute("create database db4 vgroups 4")
+        # self.create_tables("db4", "stb4", 30*10000)
+
+        # tdSql.execute("create database db6 vgroups 6")
+        # self.create_tables("db6", "stb6", 30*10000)
+
+        # tdSql.execute("create database db8 vgroups 8")
+        # self.create_tables("db8", "stb8", 30*10000)
+
+        # tdSql.execute("create database db12 vgroups 12")
+        # self.create_tables("db12", "stb12", 30*10000)
+
+        # tdSql.execute("create database db16 vgroups 16")
+        # self.create_tables("db16", "stb16", 30*10000)
+        return 
+
+    # test case2 base:insert data
+    def test_case2(self):
+
+        tdLog.debug("-----insert data test------- ")
+        # drop database
+        tdSql.execute("drop database if exists db1")
+        tdSql.execute("drop database if exists db4")
+        tdSql.execute("drop database if exists db6")
+        tdSql.execute("drop database if exists db8")
+        tdSql.execute("drop database if exists db12")
+        tdSql.execute("drop database if exists db16")
+
+        #create database and tables;
+
+        tdSql.execute("create database db1 vgroups 1")
+        self.create_tables("db1", "stb1", 1*100)
+        self.insert_data("db1", "stb1", self.ts, 1*50,1*10000)
+        
+
+        tdSql.execute("create database db4 vgroups 4")
+        self.create_tables("db4", "stb4", 1*100)
+        self.insert_data("db4", "stb4", self.ts, 1*100,1*10000)
+
+        tdSql.execute("create database db6 vgroups 6")
+        self.create_tables("db6", "stb6", 1*100)
+        self.insert_data("db6", "stb6", self.ts, 1*100,1*10000)
+
+        tdSql.execute("create database db8 vgroups 8")
+        self.create_tables("db8", "stb8", 1*100)
+        self.insert_data("db8", "stb8", self.ts, 1*100,1*10000)
+
+        tdSql.execute("create database db12 vgroups 12")
+        self.create_tables("db12", "stb12", 1*100)
+        self.insert_data("db12", "stb12", self.ts, 1*100,1*10000)
+
+        tdSql.execute("create database db16 vgroups 16")
+        self.create_tables("db16", "stb16", 1*100)
+        self.insert_data("db16", "stb16", self.ts, 1*100,1*10000)
+                
+        return
+
+#
+# add case with filename
+#
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
diff --git a/tests/system-test/2-query/log.py b/tests/system-test/2-query/log.py
index e6762b2d61..6e4c292183 100644
--- a/tests/system-test/2-query/log.py
+++ b/tests/system-test/2-query/log.py
@@ -191,13 +191,13 @@ class TDTestCase:
     def support_types(self):
         type_error_sql_lists = [
             "select log(ts ,2 ) from t1" , 
-            "select log(c7,2 ) from t1",
-            "select log(c8,2 ) from t1",
-            "select log(c9,2 ) from t1",
-            "select log(ts,2 ) from ct1" , 
-            "select log(c7,2 ) from ct1",
-            "select log(c8,2 ) from ct1",
-            "select log(c9,2 ) from ct1",
+            "select log(c7,c2 ) from t1",
+            "select log(c8,c1 ) from t1",
+            "select log(c9,c2 ) from t1",
+            "select log(ts,c7 ) from ct1" , 
+            "select log(c7,c9 ) from ct1",
+            "select log(c8,c2 ) from ct1",
+            "select log(c9,c1 ) from ct1",
             "select log(ts,2 ) from ct3" , 
             "select log(c7,2 ) from ct3",
             "select log(c8,2 ) from ct3",
diff --git a/tests/system-test/2-query/pow.py b/tests/system-test/2-query/pow.py
new file mode 100644
index 0000000000..8b0137b411
--- /dev/null
+++ b/tests/system-test/2-query/pow.py
@@ -0,0 +1,652 @@
+import taos
+import sys
+import datetime
+import inspect
+import math
+from util.log import *
+from util.sql import *
+from util.cases import *
+
+
+class TDTestCase:
+    updatecfgDict = {'debugFlag': 143 ,"cDebugFlag":143,"uDebugFlag":143 ,"rpcDebugFlag":143 , "tmrDebugFlag":143 , 
+    "jniDebugFlag":143 ,"simDebugFlag":143,"dDebugFlag":143, "dDebugFlag":143,"vDebugFlag":143,"mDebugFlag":143,"qDebugFlag":143,
+    "wDebugFlag":143,"sDebugFlag":143,"tsdbDebugFlag":143,"tqDebugFlag":143 ,"fsDebugFlag":143 ,"fnDebugFlag":143}
+    def init(self, conn, powSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+    
+    def prepare_datas(self):
+        tdSql.execute(
+            '''create table stb1
+            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+            tags (t1 int)
+            '''
+        )
+        
+        tdSql.execute(
+            '''
+            create table t1
+            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+            '''
+        )
+        for i in range(4):
+            tdSql.execute(f'create table ct{i+1} using stb1 tags ( {i+1} )')
+
+        for i in range(9):
+            tdSql.execute(
+                f"insert into ct1 values ( now()-{i*10}s, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+            tdSql.execute(
+                f"insert into ct4 values ( now()-{i*90}d, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+        tdSql.execute("insert into ct1 values (now()-45s, 0, 0, 0, 0, 0, 0, 0, 'binary0', 'nchar0', now()+8a )")
+        tdSql.execute("insert into ct1 values (now()+10s, 9, -99999, -999, -99, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+15s, 9, -99999, -999, -99, -9.99, NULL, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+20s, 9, -99999, -999, NULL, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+
+        tdSql.execute("insert into ct4 values (now()-810d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()-400d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()+90d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL  ) ")
+
+        tdSql.execute(
+            f'''insert into t1 values
+            ( '2020-04-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2020-10-21 01:01:01.000', 1, 11111, 111, 11, 1.11, 11.11, 1, "binary1", "nchar1", now()+1a )
+            ( '2020-12-31 01:01:01.000', 2, 22222, 222, 22, 2.22, 22.22, 0, "binary2", "nchar2", now()+2a )
+            ( '2021-01-01 01:01:06.000', 3, 33333, 333, 33, 3.33, 33.33, 0, "binary3", "nchar3", now()+3a )
+            ( '2021-05-07 01:01:10.000', 4, 44444, 444, 44, 4.44, 44.44, 1, "binary4", "nchar4", now()+4a )
+            ( '2021-07-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2021-09-30 01:01:16.000', 5, 55555, 555, 55, 5.55, 55.55, 0, "binary5", "nchar5", now()+5a )
+            ( '2022-02-01 01:01:20.000', 6, 66666, 666, 66, 6.66, 66.66, 1, "binary6", "nchar6", now()+6a )
+            ( '2022-10-28 01:01:26.000', 7, 00000, 000, 00, 0.00, 00.00, 1, "binary7", "nchar7", "1970-01-01 08:00:00.000" )
+            ( '2022-12-01 01:01:30.000', 8, -88888, -888, -88, -8.88, -88.88, 0, "binary8", "nchar8", "1969-01-01 01:00:00.000" )
+            ( '2022-12-31 01:01:36.000', 9, -99999999999999999, -999, -99, -9.99, -999999999999999999999.99, 1, "binary9", "nchar9", "1900-01-01 00:00:00.000" )
+            ( '2023-02-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            '''
+        )
+    
+    def check_result_auto_pow2(self ,origin_query , pow_query):
+
+        pow_result = tdSql.getResult(pow_query)
+        origin_result = tdSql.getResult(origin_query)
+
+        auto_result =[]
+        
+        for row in origin_result:
+            row_check = []
+            for elem in row:
+                if elem == None:
+                    elem = None
+                else:
+                    elem = math.pow(elem,2)
+                row_check.append(elem)
+            auto_result.append(row_check)
+
+        check_status = True
+
+        for row_index , row in enumerate(pow_result):
+            for col_index , elem in enumerate(row):
+                if auto_result[row_index][col_index] == None  and not (auto_result[row_index][col_index] == None and elem == None):
+                    check_status = False
+                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
+                    check_status = False 
+                else:
+                    pass
+        if not check_status:
+            tdLog.notice("pow function value has not as expected , sql is \"%s\" "%pow_query )
+            sys.exit(1)
+        else:
+            tdLog.info("pow value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+
+    def check_result_auto_pow1(self ,origin_query , pow_query):
+        pow_result = tdSql.getResult(pow_query)
+        origin_result = tdSql.getResult(origin_query)
+
+        auto_result =[]
+        
+        for row in origin_result:
+            row_check = []
+            for elem in row:
+                if elem == None:
+                    elem = None
+                else :
+                    elem = pow(elem ,1)
+                row_check.append(elem)
+            auto_result.append(row_check)
+
+        check_status = True
+        for row_index , row in enumerate(pow_result):
+            for col_index , elem in enumerate(row):
+                if auto_result[row_index][col_index] == None  and not (auto_result[row_index][col_index] == None and elem == None):
+                    check_status = False
+                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
+                    check_status = False 
+                else:
+                    pass
+        if not check_status:
+            tdLog.notice("pow function value has not as expected , sql is \"%s\" "%pow_query )
+            sys.exit(1)
+        else:
+            tdLog.info("pow value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+
+    def check_result_auto_pow__10(self ,origin_query , pow_query):
+        pow_result = tdSql.getResult(pow_query)
+        origin_result = tdSql.getResult(origin_query)
+
+        auto_result =[]
+        
+        for row in origin_result:
+            row_check = []
+            for elem in row:
+                if elem == None:
+                    elem = None
+                elif elem == 0:
+                    elem = None
+                else:
+                    elem = pow(elem ,-10)
+                row_check.append(elem)
+            auto_result.append(row_check)
+
+        check_status = True
+        for row_index , row in enumerate(pow_result):
+            for col_index , elem in enumerate(row):
+                if auto_result[row_index][col_index] == None  and not (auto_result[row_index][col_index] == None and elem == None):
+                    check_status = False
+                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
+                    check_status = False 
+                else:
+                    pass
+        if not check_status:
+            tdLog.notice("pow function value has not as expected , sql is \"%s\" "%pow_query )
+            sys.exit(1)
+        else:
+            tdLog.info("pow value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+        
+    def test_errors(self):
+        error_sql_lists = [
+            "select pow from t1",
+            # "select pow(-+--+c1 ,2) from t1",
+            # "select +-pow(c1,2) from t1",
+            # "select ++-pow(c1,2) from t1",
+            # "select ++--pow(c1,2) from t1",
+            # "select - -pow(c1,2)*0 from t1",
+            # "select pow(tbname+1,2) from t1 ",
+            "select pow(123--123,2)==1 from t1",
+            "select pow(c1,2) as 'd1' from t1",
+            "select pow(c1 ,c2 ,2) from t1",
+            "select pow(c1 ,NULL ,2) from t1",
+            "select pow(, 2) from t1;",
+            "select pow(pow(c1, 2) ab from t1)",
+            "select pow(c1 ,2 ) as int from t1",
+            "select pow from stb1",
+            # "select pow(-+--+c1) from stb1",
+            # "select +-pow(c1) from stb1",
+            # "select ++-pow(c1) from stb1",
+            # "select ++--pow(c1) from stb1",
+            # "select - -pow(c1)*0 from stb1",
+            # "select pow(tbname+1) from stb1 ",
+            "select pow(123--123 ,2)==1 from stb1",
+            "select pow(c1 ,2) as 'd1' from stb1",
+            "select pow(c1 ,c2 ,2 ) from stb1",
+            "select pow(c1 ,NULL,2) from stb1",
+            "select pow(,) from stb1;",
+            "select pow(pow(c1 , 2) ab from stb1)",
+            "select pow(c1 , 2) as int from stb1"
+        ]
+        for error_sql in error_sql_lists:
+            tdSql.error(error_sql)
+    
+    def support_types(self):
+        type_error_sql_lists = [
+            "select pow(ts ,2 ) from t1" , 
+            "select pow(c7,c1 ) from t1",
+            "select pow(c8,c2) from t1",
+            "select pow(c9,c3 ) from t1",
+            "select pow(ts,c4 ) from ct1" , 
+            "select pow(c7,c5 ) from ct1",
+            "select pow(c8,c6 ) from ct1",
+            "select pow(c9,c8 ) from ct1",
+            "select pow(ts,2 ) from ct3" , 
+            "select pow(c7,2 ) from ct3",
+            "select pow(c8,2 ) from ct3",
+            "select pow(c9,2 ) from ct3",
+            "select pow(ts,2 ) from ct4" , 
+            "select pow(c7,2 ) from ct4",
+            "select pow(c8,2 ) from ct4",
+            "select pow(c9,2 ) from ct4",
+            "select pow(ts,2 ) from stb1" , 
+            "select pow(c7,2 ) from stb1",
+            "select pow(c8,2 ) from stb1",
+            "select pow(c9,2 ) from stb1" ,
+
+            "select pow(ts,2 ) from stbbb1" , 
+            "select pow(c7,2 ) from stbbb1",
+
+            "select pow(ts,2 ) from tbname",
+            "select pow(c9,2 ) from tbname"
+
+        ]
+        
+        for type_sql in type_error_sql_lists:
+            tdSql.error(type_sql)
+        
+        
+        type_sql_lists = [
+            "select pow(c1,2 ) from t1",
+            "select pow(c2,2 ) from t1",
+            "select pow(c3,2 ) from t1",
+            "select pow(c4,2 ) from t1",
+            "select pow(c5,2 ) from t1",
+            "select pow(c6,2 ) from t1",
+
+            "select pow(c1,2 ) from ct1",
+            "select pow(c2,2 ) from ct1",
+            "select pow(c3,2 ) from ct1",
+            "select pow(c4,2 ) from ct1",
+            "select pow(c5,2 ) from ct1",
+            "select pow(c6,2 ) from ct1",
+
+            "select pow(c1,2 ) from ct3",
+            "select pow(c2,2 ) from ct3",
+            "select pow(c3,2 ) from ct3",
+            "select pow(c4,2 ) from ct3",
+            "select pow(c5,2 ) from ct3",
+            "select pow(c6,2 ) from ct3",
+
+            "select pow(c1,2 ) from stb1",
+            "select pow(c2,2 ) from stb1",
+            "select pow(c3,2 ) from stb1",
+            "select pow(c4,2 ) from stb1",
+            "select pow(c5,2 ) from stb1",
+            "select pow(c6,2 ) from stb1",
+
+            "select pow(c6,2) as alisb from stb1", 
+            "select pow(c6,2) alisb from stb1", 
+        ]
+
+        for type_sql in type_sql_lists:
+            tdSql.query(type_sql)
+    
+    def basic_pow_function(self):
+
+        # basic query 
+        tdSql.query("select c1 from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select c1 from t1")
+        tdSql.checkRows(12)
+        tdSql.query("select c1 from stb1")
+        tdSql.checkRows(25)
+
+        # used for empty table  , ct3 is empty
+        tdSql.query("select pow(c1 ,2) from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select pow(c2 ,2) from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select pow(c3 ,2) from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select pow(c4 ,2) from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select pow(c5 ,2) from ct3")
+        tdSql.checkRows(0)
+        tdSql.query("select pow(c6 ,2) from ct3")
+        tdSql.checkRows(0)
+
+
+        # # used for regular table
+        tdSql.query("select pow(c1 ,2) from t1")
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(1 , 0, 1.000000000)
+        tdSql.checkData(3 , 0, 9.000000000)
+        tdSql.checkData(5 , 0, None)
+
+        tdSql.query("select c1, c2, c3 , c4, c5 from t1")
+        tdSql.checkData(1, 4, 1.11000)
+        tdSql.checkData(3, 3, 33)
+        tdSql.checkData(5, 4, None)
+
+        tdSql.query("select ts,c1, c2, c3 , c4, c5 from t1")
+        tdSql.checkData(1, 5, 1.11000)
+        tdSql.checkData(3, 4, 33)
+        tdSql.checkData(5, 5, None)
+
+        self.check_result_auto_pow2( "select c1, c2, c3 , c4, c5 from t1", "select pow(c1 ,2), pow(c2 ,2) ,pow(c3, 2), pow(c4 ,2), pow(c5 ,2) from t1")
+        self.check_result_auto_pow1( "select c1, c2, c3 , c4, c5 from t1", "select pow(c1 ,1), pow(c2 ,1) ,pow(c3, 1), pow(c4 ,1), pow(c5 ,1) from t1")
+        self.check_result_auto_pow__10( "select c1, c2, c3 , c4, c5 from t1", "select pow(c1 ,-10), pow(c2 ,-10) ,pow(c3, -10), pow(c4 ,-10), pow(c5 ,-10) from t1")
+        
+        # used for sub table
+        tdSql.query("select c1 ,pow(c1 ,2) from ct1")
+        tdSql.checkData(0, 1, 64.000000000)
+        tdSql.checkData(1 , 1, 49.000000000)
+        tdSql.checkData(3 , 1, 25.000000000)
+        tdSql.checkData(4 , 1, 0)
+
+        # # test bug fix for pow(c1,c2)
+
+        tdSql.query("select c1, c5 ,pow(c1,c5) from ct4")
+        tdSql.checkData(0 , 2, None)
+        tdSql.checkData(1 , 2, 104577724.506799981)
+        tdSql.checkData(2 , 2, 3684781.623933245)
+        tdSql.checkData(3 , 2, 152225.429759376)
+        tdSql.checkData(4 , 2, 7573.273783071)
+
+
+        self.check_result_auto_pow2( "select c1, c2, c3 , c4, c5 from ct1", "select pow(c1,2), pow(c2,2) ,pow(c3,2), pow(c4,2), pow(c5,2) from ct1")
+        self.check_result_auto_pow__10( "select c1, c2, c3 , c4, c5 from ct1", "select pow(c1,-10), pow(c2,-10) ,pow(c3,-10), pow(c4,-10), pow(c5,-10) from ct1")
+
+        # nest query for pow functions
+        tdSql.query("select c1  , pow(c1,2) ,pow(pow(c1,2),2) , pow(pow(pow(c1,2),2),2) from ct1;")
+        tdSql.checkData(0 , 0 , 8)
+        tdSql.checkData(0 , 1 , 64.000000000)
+        tdSql.checkData(0 , 2 , 4096.000000000)
+        tdSql.checkData(0 , 3 , 16777216.000000000)
+
+        tdSql.checkData(1 , 0 , 7)
+        tdSql.checkData(1 , 1 , 49.000000000)
+        tdSql.checkData(1 , 2 , 2401.000000000)
+        tdSql.checkData(1 , 3 , 5764801.000000000)
+
+        tdSql.checkData(4 , 0 , 0)
+        tdSql.checkData(4 , 1 , 0.000000000)
+        tdSql.checkData(4 , 2 , 0.000000000)
+        tdSql.checkData(4 , 3 , 0.000000000)
+
+        # # used for stable table 
+        
+        tdSql.query("select pow(c1, 2) from stb1")
+        tdSql.checkRows(25)
+      
+
+        # used for not exists table
+        tdSql.error("select pow(c1, 2) from stbbb1")
+        tdSql.error("select pow(c1, 2) from tbname")
+        tdSql.error("select pow(c1, 2) from ct5")
+
+        # mix with common col 
+        tdSql.query("select c1, pow(c1 ,2) from ct1")
+        tdSql.checkData(0 , 0 ,8)
+        tdSql.checkData(0 , 1 ,64.000000000)
+        tdSql.checkData(4 , 0 ,0)
+        tdSql.checkData(4 , 1 ,0.000000000)
+        tdSql.query("select c1, pow(c1,2) from ct4")
+        tdSql.checkData(0 , 0 , None)
+        tdSql.checkData(0 , 1 ,None)
+        tdSql.checkData(4 , 0 ,5)
+        tdSql.checkData(4 , 1 ,25.000000000)
+        tdSql.checkData(5 , 0 ,None)
+        tdSql.checkData(5 , 1 ,None)
+
+        # mix with common functions
+        tdSql.query("select c1, pow(c1 ,2),pow(c1,2), log(pow(c1,2) ,2) from ct4 ")
+        tdSql.checkData(0 , 0 ,None)
+        tdSql.checkData(0 , 1 ,None)
+        tdSql.checkData(0 , 2 ,None)
+        tdSql.checkData(0 , 3 ,None)
+        
+        tdSql.checkData(3 , 0 , 6)
+        tdSql.checkData(3 , 1 ,36.000000000)
+        tdSql.checkData(3 , 2 ,36.000000000)
+        tdSql.checkData(3 , 3 ,5.169925001)
+
+        tdSql.query("select c1, pow(c1,1),c5, floor(c5 ) from stb1 ")
+
+        # # mix with agg functions , not support
+        tdSql.error("select c1, pow(c1 ,2),c5, count(c5) from stb1 ")
+        tdSql.error("select c1, pow(c1 ,2),c5, count(c5) from ct1 ")
+        tdSql.error("select pow(c1 ,2), count(c5) from stb1 ")
+        tdSql.error("select pow(c1 ,2), count(c5) from ct1 ")
+        tdSql.error("select c1, count(c5) from ct1 ")
+        tdSql.error("select c1, count(c5) from stb1 ")
+
+        # agg functions mix with agg functions
+
+        tdSql.query("select max(c5), count(c5) from stb1")
+        tdSql.query("select max(c5), count(c5) from ct1")
+
+        
+        # bug fix for count
+        tdSql.query("select count(c1) from ct4 ")
+        tdSql.checkData(0,0,9)
+        tdSql.query("select count(*) from ct4 ")
+        tdSql.checkData(0,0,12)
+        tdSql.query("select count(c1) from stb1 ")
+        tdSql.checkData(0,0,22)
+        tdSql.query("select count(*) from stb1 ")
+        tdSql.checkData(0,0,25)
+
+        # # bug fix for compute 
+        tdSql.query("select c1, pow(c1 ,2) -0 ,pow(c1-4 ,2)-0 from ct4 ")
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(0, 2, None)
+        tdSql.checkData(1, 0, 8)
+        tdSql.checkData(1, 1, 64.000000000)
+        tdSql.checkData(1, 2, 16.000000000)
+
+        tdSql.query(" select c1, pow(c1 ,2) -0 ,pow(c1-0.1 ,2)-0.1 from ct4")
+        tdSql.checkData(0, 0, None)
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(0, 2, None)
+        tdSql.checkData(1, 0, 8)
+        tdSql.checkData(1, 1, 64.000000000)
+        tdSql.checkData(1, 2, 62.310000000)
+
+        tdSql.query("select c1, pow(c1, -10), c2, pow(c2, -10), c3, pow(c3, -10) from ct1")
+
+    def test_big_number(self):
+
+        tdSql.query("select c1, pow(c1, 100000000) from ct1")  # bigint to double data overflow
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(1, 1, None)
+        tdSql.checkData(4, 1, 0.000000000)
+
+
+        tdSql.query("select c1, pow(c1, 10000000000000) from ct1")  # bigint to double data overflow
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(1, 1, None)
+        tdSql.checkData(4, 1, 0.000000000)
+
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000) from ct1")  # bigint to double data overflow
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000.0) from ct1") # 10000000000000000000000000.0 is a double value
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(1, 1, None)
+        tdSql.checkData(4, 1, 0.000000000)
+
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000000000000) from ct1")  # bigint to double data overflow
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000000000000.0) from ct1") # 10000000000000000000000000.0 is a double value
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(1, 1, None)
+        tdSql.checkData(4, 1, 0.000000000)
+
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000000000000000000) from ct1")  # bigint to double data overflow
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000000000000000000.0) from ct1") # 10000000000000000000000000.0 is a double value
+        tdSql.checkData(0, 1, None)
+        tdSql.checkData(1, 1, None)
+        tdSql.checkData(4, 1, 0.000000000)
+
+        tdSql.query("select c1, pow(c1, 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) from ct1")  # bigint to double data overflow
+
+    def pow_base_test(self):
+
+        # base is an regular number ,int or double
+        tdSql.query("select c1, pow(c1, 2) from ct1")
+        tdSql.checkData(0, 1,64.000000000)
+        tdSql.query("select c1, pow(c1, 2.0) from ct1")  
+        tdSql.checkData(0, 1, 64.000000000)
+
+        tdSql.query("select c1, pow(1, 2.0) from ct1")  
+        tdSql.checkData(0, 1, 1.000000000)
+        tdSql.checkRows(13)
+
+
+        # # bug for compute in functions
+        # tdSql.query("select c1, abs(1/0) from ct1") 
+        # tdSql.checkData(0, 0, 8)
+        # tdSql.checkData(0, 1, 1)
+
+        tdSql.query("select c1, pow(1, 2.0) from ct1")  
+        tdSql.checkData(0, 1, 1.000000000)
+        tdSql.checkRows(13)
+
+        # two cols start pow(x,y)
+        tdSql.query("select c1,c2, pow(c1,c2) from ct1") 
+        tdSql.checkData(0, 2, None)
+        tdSql.checkData(1, 2, None)
+        tdSql.checkData(4, 2, 1.000000000)
+
+        tdSql.query("select c1,c2, pow(c2,c1) from ct1") 
+        tdSql.checkData(0, 2, 3897131646727578700481513520437089271808.000000000)
+        tdSql.checkData(1, 2, 17217033054561120738612297152331776.000000000)
+        tdSql.checkData(4, 2, 1.000000000)
+
+        tdSql.query("select c1, pow(2.0 , c1) from ct1") 
+        tdSql.checkData(0, 1, 256.000000000)
+        tdSql.checkData(1, 1, 128.000000000)
+        tdSql.checkData(4, 1, 1.000000000)
+
+        tdSql.query("select c1, pow(2.0 , c1) from ct1") 
+        tdSql.checkData(0, 1, 256.000000000)
+        tdSql.checkData(1, 1, 128.000000000)
+        tdSql.checkData(4, 1, 1.000000000)
+
+    def abs_func_filter(self):
+        tdSql.execute("use db")
+        tdSql.query("select c1, abs(c1) -0 ,ceil(c1-0.1)-0 ,floor(c1+0.1)-0.1 ,ceil(pow(c1,2)-0.5) from ct4 where c1>5 ")
+        tdSql.checkRows(3)
+        tdSql.checkData(0,0,8)
+        tdSql.checkData(0,1,8.000000000)
+        tdSql.checkData(0,2,8.000000000)
+        tdSql.checkData(0,3,7.900000000)
+        tdSql.checkData(0,4,64.000000000)
+
+        tdSql.query("select c1, abs(c1) -0 ,ceil(c1-0.1)-0 ,floor(c1+0.1)-0.1 ,ceil(pow(c1,2)-0.5) from ct4 where c1=5 ")
+        tdSql.checkRows(1)
+        tdSql.checkData(0,0,5)
+        tdSql.checkData(0,1,5.000000000)
+        tdSql.checkData(0,2,5.000000000)
+        tdSql.checkData(0,3,4.900000000)
+        tdSql.checkData(0,4,25.000000000)
+
+        tdSql.query("select c1, abs(c1) -0 ,ceil(c1-0.1)-0 ,floor(c1+0.1)-0.1 ,ceil(pow(c1,2)-0.5) from ct4 where c1=5 ")
+        tdSql.checkRows(1)
+        tdSql.checkData(0,0,5)
+        tdSql.checkData(0,1,5.000000000)
+        tdSql.checkData(0,2,5.000000000)
+        tdSql.checkData(0,3,4.900000000)
+        tdSql.checkData(0,4,25.000000000)
+
+        tdSql.query("select c1,c2 , abs(c1) -0 ,ceil(c1-0.1)-0 ,floor(c1+0.1)-0.1 ,ceil(pow(c1,2)-0.5) from ct4 where c1<pow(c1,2) limit 1 ")
+        tdSql.checkRows(1)
+        tdSql.checkData(0,0,8)
+        tdSql.checkData(0,1,88888)
+        tdSql.checkData(0,2,8.000000000)
+        tdSql.checkData(0,3,8.000000000)
+        tdSql.checkData(0,4,7.900000000)
+        tdSql.checkData(0,5,64.000000000)
+        
+    def pow_Arithmetic(self):
+        pass
+    
+    def check_boundary_values(self):
+
+        tdSql.execute("drop database if exists bound_test")
+        tdSql.execute("create database if not exists bound_test")
+        time.sleep(3)
+        tdSql.execute("use bound_test")
+        tdSql.execute(
+            "create table stb_bound (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(32),c9 nchar(32), c10 timestamp) tags (t1 int);"
+        )
+        tdSql.execute(f'create table sub1_bound using stb_bound tags ( 1 )')
+        tdSql.execute(
+                f"insert into sub1_bound values ( now()-1s, 2147483647, 9223372036854775807, 32767, 127, 3.40E+38, 1.7e+308, True, 'binary_tb1', 'nchar_tb1', now() )"
+            )
+        tdSql.execute(
+                f"insert into sub1_bound values ( now()-1s, -2147483647, -9223372036854775807, -32767, -127, -3.40E+38, -1.7e+308, True, 'binary_tb1', 'nchar_tb1', now() )"
+            )
+        tdSql.execute(
+                f"insert into sub1_bound values ( now(), 2147483646, 9223372036854775806, 32766, 126, 3.40E+38, 1.7e+308, True, 'binary_tb1', 'nchar_tb1', now() )"
+            )
+        tdSql.execute(
+                f"insert into sub1_bound values ( now(), -2147483646, -9223372036854775806, -32766, -126, -3.40E+38, -1.7e+308, True, 'binary_tb1', 'nchar_tb1', now() )"
+            )
+        tdSql.error(
+                f"insert into sub1_bound values ( now()+1s, 2147483648, 9223372036854775808, 32768, 128, 3.40E+38, 1.7e+308, True, 'binary_tb1', 'nchar_tb1', now() )"
+            )
+        self.check_result_auto_pow2( "select c1, c2, c3 , c4, c5 from sub1_bound ", "select pow(c1,2), pow(c2,2) ,pow(c3,2), pow(c4,2), pow(c5,2) from sub1_bound")
+        self.check_result_auto_pow__10( "select c1, c2, c3 , c4, c5  from sub1_bound ", "select pow(c1,-10), pow(c2,-10) ,pow(c3,-10), pow(c4,-10), pow(c5,-10) from sub1_bound")
+        
+        self.check_result_auto_pow2( "select c1, c2, c3 , c3, c2 ,c1 from sub1_bound ", "select pow(c1,2), pow(c2,2) ,pow(c3,2), pow(c3,2), pow(c2,2) ,pow(c1,2) from sub1_bound")
+
+
+        self.check_result_auto_pow2("select abs(abs(abs(abs(abs(abs(abs(abs(abs(c1)))))))))  nest_col_func from sub1_bound" , "select pow(abs(c1) ,2) from sub1_bound" )
+        
+        # check basic elem for table per row
+        tdSql.query("select pow(abs(c1),2) ,pow(abs(c2),2) , pow(abs(c3),2) , pow(abs(c4),2), pow(abs(c5),2), pow(abs(c6),2) from sub1_bound ")
+        tdSql.checkData(0,0,math.pow(2147483647,2))
+        tdSql.checkData(0,1,math.pow(9223372036854775807 ,2))
+        tdSql.checkData(0,2,math.pow(32767,2))
+        tdSql.checkData(0,3,math.pow(127 ,2))
+        tdSql.checkData(0,4,math.pow(339999995214436424907732413799364296704.00000,2))
+        tdSql.checkData(1,0,math.pow(2147483647 ,2))
+        tdSql.checkData(1,1,math.pow(9223372036854775807 ,2))
+        tdSql.checkData(1,2,math.pow(32767 ,2))
+        tdSql.checkData(1,3,math.pow(127,2))
+        tdSql.checkData(1,4,math.pow(339999995214436424907732413799364296704.00000 ,2))
+        tdSql.checkData(3,0,math.pow(2147483646,2))
+        tdSql.checkData(3,1,math.pow(9223372036854775806,2))
+        tdSql.checkData(3,2,math.pow(32766,2))
+        tdSql.checkData(3,3,math.pow(126 ,2))
+        tdSql.checkData(3,4,math.pow(339999995214436424907732413799364296704.00000,2))
+        
+        # check  + - * / in functions
+        tdSql.query("select pow(abs(c1+1) ,2) ,pow(abs(c2),2) , pow(abs(c3*1),2) , pow(abs(c4/2),2), pow(abs(c5) ,2)/2, pow(abs(c6) ,2) from sub1_bound ")
+        tdSql.checkData(0,0,math.pow(2147483648.000000000,2))
+        tdSql.checkData(0,1,math.pow(9223372036854775807,2))
+        tdSql.checkData(0,2,math.pow(32767.000000000,2))
+        tdSql.checkData(0,3,math.pow(63.500000000,2))
+        tdSql.checkData(0,5,None)
+      
+    
+    def run(self):  # sourcery skip: extract-duplicate-method, remove-redundant-fstring
+        tdSql.prepare()
+
+        tdLog.printNoPrefix("==========step1:create table ==============")
+        
+        self.prepare_datas()
+
+        tdLog.printNoPrefix("==========step2:test errors ==============")    
+
+        self.test_errors()
+        
+        tdLog.printNoPrefix("==========step3:support types ============") 
+
+        self.support_types()
+
+        tdLog.printNoPrefix("==========step4: pow basic query ============") 
+
+        self.basic_pow_function()
+
+        tdLog.printNoPrefix("==========step5: big number pow query ============") 
+
+        self.test_big_number()
+
+        tdLog.printNoPrefix("==========step6: base  number for pow query ============") 
+
+        self.pow_base_test()
+
+        tdLog.printNoPrefix("==========step7: pow boundary query ============") 
+
+        self.check_boundary_values()
+
+        tdLog.printNoPrefix("==========step8: pow filter query ============") 
+
+        self.abs_func_filter()
+
+        
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())
diff --git a/tests/system-test/2-query/smaTest.py b/tests/system-test/2-query/smaTest.py
new file mode 100644
index 0000000000..67824cc3a3
--- /dev/null
+++ b/tests/system-test/2-query/smaTest.py
@@ -0,0 +1,131 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+
+from numpy.lib.function_base import insert
+import taos
+from util.log import *
+from util.cases import *
+from util.sql import *
+import numpy as np
+
+# constant define
+WAITS = 5 # wait seconds
+
+class TDTestCase:
+    #
+    # --------------- main frame -------------------
+    #
+    # updatecfgDict = {'debugFlag': 135}
+    # updatecfgDict = {'fqdn': 135}
+
+    def caseDescription(self):
+        '''
+        limit and offset keyword function test cases;
+        case1: limit offset base function test
+        case2: offset return valid
+        '''
+        return 
+
+    # init
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        tdSql.prepare()
+        self.create_tables();
+        self.ts = 1500000000000
+
+
+    # run case  
+    def run(self):
+        # insert data
+        self.insert_data1("t1", self.ts, 1000*10000)
+        self.insert_data1("t4", self.ts, 1000*10000)        
+        # test base case
+        # self.test_case1()
+        tdLog.debug(" LIMIT test_case1 ............ [OK]")
+        # test advance case
+        # self.test_case2()
+        tdLog.debug(" LIMIT test_case2 ............ [OK]")
+
+
+    # stop 
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+    #
+    # --------------- case  -------------------
+    #
+
+    # create table
+    def create_tables(self):
+        # super table
+        tdSql.execute("create table st(ts timestamp, i1 int,i2 int) tags(area int)");
+        # child table
+        tdSql.execute("create table t1 using st tags(1)");
+
+        tdSql.execute("create table st1(ts timestamp, i1 int ,i2 int) tags(area int) sma(i2) ");
+        tdSql.execute("create table t4 using st1 tags(1)");
+
+        return 
+
+    # insert data1
+    def insert_data(self, tbname, ts_start, count):
+        pre_insert = "insert into %s values"%tbname
+        sql = pre_insert
+        tdLog.debug("doing insert table %s rows=%d ..."%(tbname, count))
+        for i in range(count):
+            sql += " (%d,%d)"%(ts_start + i*1000, i )
+            if i >0 and i%30000 == 0:
+                tdSql.execute(sql)
+                sql = pre_insert
+        # end sql        
+        if sql != pre_insert:
+            tdSql.execute(sql)
+
+        tdLog.debug("INSERT TABLE DATA ............ [OK]")
+        return
+
+    def insert_data1(self, tbname, ts_start, count):
+        pre_insert = "insert into %s values"%tbname
+        sql = pre_insert
+        tdLog.debug("doing insert table %s rows=%d ..."%(tbname, count))
+        for i in range(count):
+            sql += " (%d,%d,%d)"%(ts_start + i*1000, i , i+1)
+            if i >0 and i%30000 == 0:
+                tdSql.execute(sql)
+                sql = pre_insert
+        # end sql        
+        if sql != pre_insert:
+            tdSql.execute(sql)
+
+        tdLog.debug("INSERT TABLE DATA ............ [OK]")
+        return
+
+    # test case1 base 
+    # def test_case1(self):
+    #     # 
+    #     # limit base function
+    #     #
+    #     # base no where
+    #     sql = "select * from t1 limit 10"
+    #     tdSql.waitedQuery(sql, 10, WAITS)
+
+
+#
+# add case with filename
+#
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
diff --git a/tests/system-test/fulltest.sh b/tests/system-test/fulltest.sh
index 0b7a71bbe4..1dfb160987 100755
--- a/tests/system-test/fulltest.sh
+++ b/tests/system-test/fulltest.sh
@@ -22,4 +22,5 @@ python3 ./test.py -f 2-query/abs.py
 python3 ./test.py -f 2-query/ceil.py
 python3 ./test.py -f 2-query/floor.py
 python3 ./test.py -f 2-query/round.py
-python3 ./test.py -f 2-query/log.py
\ No newline at end of file
+python3 ./test.py -f 2-query/log.py
+python3 ./test.py -f 2-query/pow.py
diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index befcfc0731..08fe2cbc32 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -141,6 +141,9 @@ int32_t shellRunCommand(char *command) {
             *p++ = '\\';
           }
           break;
+        default:
+          *p++ = '\\';
+          break;
       }
       *p++ = c;
       esc = false;
diff --git a/tools/shell/src/shellNettest.c b/tools/shell/src/shellNettest.c
index c8ec31c48b..345b85d896 100644
--- a/tools/shell/src/shellNettest.c
+++ b/tools/shell/src/shellNettest.c
@@ -21,7 +21,7 @@ static void shellWorkAsClient() {
   SRpcInit    rpcInit = {0};
   SEpSet      epSet = {.inUse = 0, .numOfEps = 1};
   SRpcMsg     rpcRsp = {0};
-  void       *clientRpc = NULL;
+  void *      clientRpc = NULL;
   char        pass[TSDB_PASSWORD_LEN + 1] = {0};
 
   taosEncryptPass_c((uint8_t *)("_pwd"), strlen("_pwd"), pass);
@@ -116,6 +116,7 @@ static void shellWorkAsServer() {
   }
 
   SRpcInit rpcInit = {0};
+  memcpy(rpcInit.localFqdn, tsLocalFqdn, strlen(tsLocalFqdn));
   rpcInit.localPort = pArgs->port;
   rpcInit.label = "CHK";
   rpcInit.numOfThreads = tsNumOfRpcThreads;
@@ -126,7 +127,7 @@ static void shellWorkAsServer() {
 
   void *serverRpc = rpcOpen(&rpcInit);
   if (serverRpc == NULL) {
-    printf("failed to init net test server since %s", terrstr());
+    printf("failed to init net test server since %s\n", terrstr());
   } else {
     printf("network test server is initialized, port:%u\n", pArgs->port);
     taosSetSignal(SIGTERM, shellNettestHandler);