diff --git a/cmake/define.inc b/cmake/define.inc
index d6a3f2b915..468489c1cc 100755
--- a/cmake/define.inc
+++ b/cmake/define.inc
@@ -147,7 +147,11 @@ IF (TD_DARWIN_64)
   ADD_DEFINITIONS(-D_REENTRANT -D__USE_POSIX -D_LIBC_REENTRANT)
   ADD_DEFINITIONS(-DUSE_LIBICONV)
   MESSAGE(STATUS "darwin64 is defined")
-  SET(COMMON_FLAGS "-Wall -Werror -Wno-missing-braces -fPIC -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  IF ("${CPUTYPE}" STREQUAL "apple_m1")
+    SET(COMMON_FLAGS "-Wall -Werror -Wno-missing-braces -fPIC -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  ELSE ()
+    SET(COMMON_FLAGS "-Wall -Werror -Wno-missing-braces -fPIC -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+  ENDIF ()
   IF (TD_MEMORY_SANITIZER)
     SET(DEBUG_FLAGS "-fsanitize=address -fsanitize=undefined -fno-sanitize-recover=all -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow -fno-sanitize=null -fno-sanitize=alignment -O0 -g3 -DDEBUG")
   ELSE ()
diff --git a/cmake/platform.inc b/cmake/platform.inc
index 5f7391c996..236732e452 100755
--- a/cmake/platform.inc
+++ b/cmake/platform.inc
@@ -108,6 +108,10 @@ IF ("${CPUTYPE}" STREQUAL "")
     SET(TD_LINUX TRUE)
     SET(TD_LINUX_64 FALSE)
     SET(TD_MIPS_64 TRUE)
+  ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "arm64")
+    SET(CPUTYPE "apple_m1")
+    MESSAGE(STATUS "Set CPUTYPE to apple silicon m1")
+    SET(TD_ARM_64 TRUE)
   ENDIF ()
 
 ELSE ()
diff --git a/documentation20/cn/08.connector/01.java/docs.md b/documentation20/cn/08.connector/01.java/docs.md
index 546e2dbcd3..511bab8a60 100644
--- a/documentation20/cn/08.connector/01.java/docs.md
+++ b/documentation20/cn/08.connector/01.java/docs.md
@@ -533,7 +533,7 @@ Query OK, 1 row(s) in set (0.000141s)
 | taos-jdbcdriver 版本 | TDengine 版本     | JDK 版本 |
 | -------------------- | ----------------- | -------- |
 | 2.0.31              | 2.1.3.0 及以上      | 1.8.x    |
-| 2.0.22 - 20.0.30    | 2.0.18.0 - 2.1.2.x | 1.8.x    |
+| 2.0.22 - 2.0.30    | 2.0.18.0 - 2.1.2.x | 1.8.x    |
 | 2.0.12 - 2.0.21     | 2.0.8.0 - 2.0.17.x | 1.8.x    |
 | 2.0.4 - 2.0.11       | 2.0.0.0 - 2.0.7.x | 1.8.x    |
 | 1.0.3                | 1.6.1.x 及以上    | 1.8.x    |
diff --git a/documentation20/cn/08.connector/docs.md b/documentation20/cn/08.connector/docs.md
index c55fcaaafc..3a6e884f56 100644
--- a/documentation20/cn/08.connector/docs.md
+++ b/documentation20/cn/08.connector/docs.md
@@ -259,7 +259,7 @@ typedef struct taosField {
 
   获取最近一次API调用失败的原因,返回值为字符串。
 
-- `char *taos_errno(TAOS_RES *res)`
+- `int taos_errno(TAOS_RES *res)`
 
   获取最近一次API调用失败的原因，返回值为错误代码。
 
diff --git a/src/balance/src/bnMain.c b/src/balance/src/bnMain.c
index f022fff6d8..9997d44ca5 100644
--- a/src/balance/src/bnMain.c
+++ b/src/balance/src/bnMain.c
@@ -637,6 +637,19 @@ int32_t bnDropDnode(SDnodeObj *pDnode) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t bnDnodeCanCreateMnode(struct SDnodeObj *pDnode) {
+  if (pDnode == NULL)
+    return 0;
+
+  if (pDnode->isMgmt || pDnode->alternativeRole == TAOS_DN_ALTERNATIVE_ROLE_VNODE
+      || pDnode->status == TAOS_DN_STATUS_DROPPING
+      || pDnode->status == TAOS_DN_STATUS_OFFLINE) {
+    return 0;
+  } else {
+    return 1;
+  }
+}
+
 static void bnMonitorDnodeModule() {
   int32_t numOfMnodes = mnodeGetMnodesNum();
   if (numOfMnodes >= tsNumOfMnodes) return;
@@ -645,13 +658,7 @@ static void bnMonitorDnodeModule() {
     SDnodeObj *pDnode = tsBnDnodes.list[i];
     if (pDnode == NULL) break;
 
-    if (pDnode->isMgmt || pDnode->status == TAOS_DN_STATUS_DROPPING || pDnode->status == TAOS_DN_STATUS_OFFLINE) {
-      continue;
-    }
-
-    if (pDnode->alternativeRole == TAOS_DN_ALTERNATIVE_ROLE_VNODE) {
-      continue;
-    }
+    if (!bnDnodeCanCreateMnode(pDnode)) continue;
 
     mLInfo("dnode:%d, numOfMnodes:%d expect:%d, create mnode in this dnode", pDnode->dnodeId, numOfMnodes, tsNumOfMnodes);
     mnodeCreateMnode(pDnode->dnodeId, pDnode->dnodeEp, true);
diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index 93684fa02c..2291feb08a 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -217,7 +217,7 @@ void tscColumnListDestroy(SArray* pColList);
 void tscColumnListCopy(SArray* dst, const SArray* src, uint64_t tableUid);
 void tscColumnListCopyAll(SArray* dst, const SArray* src);
 
-void convertQueryResult(SSqlRes* pRes, SQueryInfo* pQueryInfo, uint64_t objId);
+void convertQueryResult(SSqlRes* pRes, SQueryInfo* pQueryInfo, uint64_t objId, bool convertNchar);
 
 void tscDequoteAndTrimToken(SStrToken* pToken);
 int32_t tscValidateName(SStrToken* pToken);
diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index 014bcc0bca..c1243535b1 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -320,7 +320,7 @@ void    tscRestoreFuncForSTableQuery(SQueryInfo *pQueryInfo);
 
 int32_t tscCreateResPointerInfo(SSqlRes *pRes, SQueryInfo *pQueryInfo);
 void tscSetResRawPtr(SSqlRes* pRes, SQueryInfo* pQueryInfo);
-void tscSetResRawPtrRv(SSqlRes* pRes, SQueryInfo* pQueryInfo, SSDataBlock* pBlock);
+void tscSetResRawPtrRv(SSqlRes* pRes, SQueryInfo* pQueryInfo, SSDataBlock* pBlock, bool convertNchar);
 
 void handleDownstreamOperator(SSqlObj** pSqlList, int32_t numOfUpstream, SQueryInfo* px, SSqlObj* pParent);
 void destroyTableNameList(SInsertStatementParam* pInsertParam);
diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index 8bb776ffee..b75088ba28 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -745,19 +745,23 @@ static int doBindParam(STableDataBlocks* pBlock, char* data, SParamInfo* param,
   switch(param->type) {
     case TSDB_DATA_TYPE_BOOL:
     case TSDB_DATA_TYPE_TINYINT:
+    case TSDB_DATA_TYPE_UTINYINT:
       size = 1;
       break;
 
     case TSDB_DATA_TYPE_SMALLINT:
+    case TSDB_DATA_TYPE_USMALLINT:
       size = 2;
       break;
 
     case TSDB_DATA_TYPE_INT:
+    case TSDB_DATA_TYPE_UINT:
     case TSDB_DATA_TYPE_FLOAT:
       size = 4;
       break;
 
     case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_UBIGINT:
     case TSDB_DATA_TYPE_DOUBLE:
     case TSDB_DATA_TYPE_TIMESTAMP:
       size = 8;
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 8312e59625..622636a9b5 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -1311,15 +1311,8 @@ static bool validateTagParams(SArray* pTagsList, SArray* pFieldList, SSqlCmd* pC
     return false;
   }
 
-  /* timestamp in tag is not allowed */
   for (int32_t i = 0; i < numOfTags; ++i) {
     TAOS_FIELD* p = taosArrayGet(pTagsList, i);
-
-    //if (p->type == TSDB_DATA_TYPE_TIMESTAMP) {
-    //  invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg4);
-    //  return false;
-    //}
-
     if (!isValidDataType(p->type)) {
       invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg5);
       return false;
@@ -2176,7 +2169,7 @@ int32_t addExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, int32_t col
   const char* msg3 = "illegal column name";
   const char* msg4 = "invalid table name";
   const char* msg5 = "parameter is out of range [0, 100]";
-  const char* msg6 = "function applied to tags not allowed";
+  const char* msg6 = "functions applied to tags are not allowed";
   const char* msg7 = "normal table can not apply this function";
   const char* msg8 = "multi-columns selection does not support alias column name";
   const char* msg9 = "diff/derivative can no be applied to unsigned numeric type";
@@ -3089,9 +3082,9 @@ void tscRestoreFuncForSTableQuery(SQueryInfo* pQueryInfo) {
 }
 
 bool hasUnsupportFunctionsForSTableQuery(SSqlCmd* pCmd, SQueryInfo* pQueryInfo) {
-  const char* msg1 = "TWA/Diff/Derivative/Irate not allowed to apply to super table directly";
+  const char* msg1 = "TWA/Diff/Derivative/Irate are not allowed to apply to super table directly";
   const char* msg2 = "TWA/Diff/Derivative/Irate only support group by tbname for super table query";
-  const char* msg3 = "function not support for super table query";
+  const char* msg3 = "functions not support for super table query";
 
   // filter sql function not supported by metric query yet.
   size_t size = tscNumOfExprs(pQueryInfo);
@@ -3196,34 +3189,42 @@ int32_t validateGroupbyNode(SQueryInfo* pQueryInfo, SArray* pList, SSqlCmd* pCmd
   const char* msg2 = "invalid column name in group by clause";
   const char* msg3 = "columns from one table allowed as group by columns";
   const char* msg4 = "join query does not support group by";
+  const char* msg5 = "not allowed column type for group by";
+  const char* msg6 = "tags not allowed for table query";
   const char* msg7 = "not support group by expression";
-  const char* msg8 = "not allowed column type for group by";
-  const char* msg9 = "tags not allowed for table query";
+  const char* msg8 = "normal column can only locate at the end of group by clause";
 
   // todo : handle two tables situation
   STableMetaInfo* pTableMetaInfo = NULL;
-
   if (pList == NULL) {
     return TSDB_CODE_SUCCESS;
   }
 
-  if (pQueryInfo->colList == NULL) {
-    pQueryInfo->colList = taosArrayInit(4, POINTER_BYTES);
-  }
-  
-  pQueryInfo->groupbyExpr.numOfGroupCols = (int16_t)taosArrayGetSize(pList);
-  if (pQueryInfo->groupbyExpr.numOfGroupCols > TSDB_MAX_TAGS) {
-    return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg1);
-  }
-
   if (pQueryInfo->numOfTables > 1) {
     return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg4);
   }
 
-  STableMeta* pTableMeta = NULL;
-  SSchema*    pSchema = NULL;
+  SGroupbyExpr* pGroupExpr = &pQueryInfo->groupbyExpr;
+  if (pGroupExpr->columnInfo == NULL) {
+    pGroupExpr->columnInfo = taosArrayInit(4, sizeof(SColIndex));
+  }
 
-  int32_t tableIndex = COLUMN_INDEX_INITIAL_VAL;
+  if (pQueryInfo->colList == NULL) {
+    pQueryInfo->colList = taosArrayInit(4, POINTER_BYTES);
+  }
+
+  if (pGroupExpr->columnInfo == NULL || pQueryInfo->colList == NULL) {
+    return TSDB_CODE_TSC_OUT_OF_MEMORY;
+  }
+
+  pGroupExpr->numOfGroupCols = (int16_t)taosArrayGetSize(pList);
+  if (pGroupExpr->numOfGroupCols > TSDB_MAX_TAGS) {
+    return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg1);
+  }
+
+  SSchema *pSchema       = NULL;
+  int32_t tableIndex     = COLUMN_INDEX_INITIAL_VAL;
+  int32_t numOfGroupCols = 0;
 
   size_t num = taosArrayGetSize(pList);
   for (int32_t i = 0; i < num; ++i) {
@@ -3244,28 +3245,20 @@ int32_t validateGroupbyNode(SQueryInfo* pQueryInfo, SArray* pList, SSqlCmd* pCmd
     }
 
     pTableMetaInfo = tscGetMetaInfo(pQueryInfo, index.tableIndex);
-    pTableMeta = pTableMetaInfo->pTableMeta;
+    STableMeta* pTableMeta = pTableMetaInfo->pTableMeta;
   
-    int32_t numOfCols = tscGetNumOfColumns(pTableMeta);
     if (index.columnIndex == TSDB_TBNAME_COLUMN_INDEX) {
       pSchema = tGetTbnameColumnSchema();
     } else {
       pSchema = tscGetTableColumnSchema(pTableMeta, index.columnIndex);
     }
 
-    bool groupTag = false;
-    if (index.columnIndex == TSDB_TBNAME_COLUMN_INDEX || index.columnIndex >= numOfCols) {
-      groupTag = true;
-    }
+    int32_t numOfCols = tscGetNumOfColumns(pTableMeta);
+    bool groupTag = (index.columnIndex == TSDB_TBNAME_COLUMN_INDEX || index.columnIndex >= numOfCols);
   
-    SGroupbyExpr* pGroupExpr = &pQueryInfo->groupbyExpr;
-    if (pGroupExpr->columnInfo == NULL) {
-      pGroupExpr->columnInfo = taosArrayInit(4, sizeof(SColIndex));
-    }
-    
     if (groupTag) {
       if (!UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
-        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg9);
+        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg6);
       }
 
       int32_t relIndex = index.columnIndex;
@@ -3282,7 +3275,7 @@ int32_t validateGroupbyNode(SQueryInfo* pQueryInfo, SArray* pList, SSqlCmd* pCmd
     } else {
       // check if the column type is valid, here only support the bool/tinyint/smallint/bigint group by
       if (pSchema->type == TSDB_DATA_TYPE_TIMESTAMP || pSchema->type == TSDB_DATA_TYPE_FLOAT || pSchema->type == TSDB_DATA_TYPE_DOUBLE) {
-        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg8);
+        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg5);
       }
 
       tscColumnListInsert(pQueryInfo->colList, index.columnIndex, pTableMeta->id.uid, pSchema);
@@ -3292,10 +3285,20 @@ int32_t validateGroupbyNode(SQueryInfo* pQueryInfo, SArray* pList, SSqlCmd* pCmd
 
       taosArrayPush(pGroupExpr->columnInfo, &colIndex);
       pQueryInfo->groupbyExpr.orderType = TSDB_ORDER_ASC;
+      numOfGroupCols++;
+    }
+  }
 
-      if (i == 0 && num > 1) {
-        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg7);
-      }
+  // 1. only one normal column allowed in the group by clause
+  // 2. the normal column in the group by clause can only located in the end position
+  if (numOfGroupCols > 1) {
+    return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg7);
+  }
+
+  for(int32_t i = 0; i < num; ++i) {
+    SColIndex* pIndex = taosArrayGet(pGroupExpr->columnInfo, i);
+    if (TSDB_COL_IS_NORMAL_COL(pIndex->flag) && i != num - 1) {
+     return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg8);
     }
   }
 
@@ -3341,6 +3344,7 @@ static int32_t doExtractColumnFilterInfo(SSqlCmd* pCmd, SQueryInfo* pQueryInfo,
     if (pRight->flags & (1 << EXPR_FLAG_NS_TIMESTAMP)) {
       pRight->value.i64 =
           convertTimePrecision(pRight->value.i64, TSDB_TIME_PRECISION_NANO, timePrecision);
+      pRight->flags &= ~(1 << EXPR_FLAG_NS_TIMESTAMP);
     }
   }
 
@@ -4905,6 +4909,7 @@ int32_t getTimeRange(STimeWindow* win, tSqlExpr* pRight, int32_t optr, int16_t t
      */
     if (pRight->flags & (1 << EXPR_FLAG_NS_TIMESTAMP)) {
       pRight->value.i64 = convertTimePrecision(pRight->value.i64, TSDB_TIME_PRECISION_NANO, timePrecision);
+      pRight->flags &= ~(1 << EXPR_FLAG_NS_TIMESTAMP);
     }
 
     tVariantDump(&pRight->value, (char*)&val, TSDB_DATA_TYPE_BIGINT, true);
@@ -5980,8 +5985,8 @@ int32_t validateLimitNode(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, SSqlNode* pSqlN
 
     if (tscOrderedProjectionQueryOnSTable(pQueryInfo, 0)) {
       /*
-       * the offset value should be removed during retrieve data from virtual node, since the
-       * global order are done in client side, so the offset is applied at the client side
+       * The offset value should be removed during retrieve data from virtual node, since the
+       * global order are done at the client side, so the offset is applied at the client side.
        * However, note that the maximum allowed number of result for each table should be less
        * than or equal to the value of limit.
        */
@@ -6310,7 +6315,7 @@ static void updateTagPrjFunction(SQueryInfo* pQueryInfo) {
  */
 static int32_t checkUpdateTagPrjFunctions(SQueryInfo* pQueryInfo, char* msg) {
   const char* msg1 = "only one selectivity function allowed in presence of tags function";
-  const char* msg3 = "aggregation function should not be mixed up with projection";
+  const char* msg2 = "aggregation function should not be mixed up with projection";
 
   bool    tagTsColExists = false;
   int16_t numOfSelectivity = 0;
@@ -6389,7 +6394,7 @@ static int32_t checkUpdateTagPrjFunctions(SQueryInfo* pQueryInfo, char* msg) {
   } else {
     if ((pQueryInfo->type & TSDB_QUERY_TYPE_PROJECTION_QUERY) != 0) {
       if (numOfAggregation > 0 && pQueryInfo->groupbyExpr.numOfGroupCols == 0) {
-        return invalidOperationMsg(msg, msg3);
+        return invalidOperationMsg(msg, msg2);
       }
 
       if (numOfAggregation > 0 || numOfSelectivity > 0) {
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 6261da42d4..45e552b4ff 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -484,8 +484,8 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg, SRpcEpSet *pEpSet) {
   }
 
   if (shouldFree) { // in case of table-meta/vgrouplist query, automatically free it
-    taosRemoveRef(tscObjRef, handle);
     tscDebug("0x%"PRIx64" sqlObj is automatically freed", pSql->self);
+    taosRemoveRef(tscObjRef, handle);
   }
 
   taosReleaseRef(tscObjRef, handle);
@@ -1703,7 +1703,7 @@ int tscProcessRetrieveGlobalMergeRsp(SSqlObj *pSql) {
 
   uint64_t localQueryId = pSql->self;
   qTableQuery(pQueryInfo->pQInfo, &localQueryId);
-  convertQueryResult(pRes, pQueryInfo, pSql->self);
+  convertQueryResult(pRes, pQueryInfo, pSql->self, true);
 
   code = pRes->code;
   if (pRes->code == TSDB_CODE_SUCCESS) {
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index d51ff3d3ed..64ae79f73d 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -645,7 +645,7 @@ void tscSetResRawPtr(SSqlRes* pRes, SQueryInfo* pQueryInfo) {
   }
 }
 
-void tscSetResRawPtrRv(SSqlRes* pRes, SQueryInfo* pQueryInfo, SSDataBlock* pBlock) {
+void tscSetResRawPtrRv(SSqlRes* pRes, SQueryInfo* pQueryInfo, SSDataBlock* pBlock, bool convertNchar) {
   assert(pRes->numOfCols > 0);
 
   for (int32_t i = 0; i < pQueryInfo->fieldsInfo.numOfOutput; ++i) {
@@ -678,7 +678,7 @@ void tscSetResRawPtrRv(SSqlRes* pRes, SQueryInfo* pQueryInfo, SSDataBlock* pBloc
         }
       }
 
-    } else if (pInfo->field.type == TSDB_DATA_TYPE_NCHAR) {
+    } else if (convertNchar && pInfo->field.type == TSDB_DATA_TYPE_NCHAR) {
       // convert unicode to native code in a temporary buffer extra one byte for terminated symbol
       pRes->buffer[i] = realloc(pRes->buffer[i], pInfo->field.bytes * pRes->numOfRows);
 
@@ -1075,14 +1075,14 @@ SOperatorInfo* createJoinOperatorInfo(SOperatorInfo** pUpstream, int32_t numOfUp
   return pOperator;
 }
 
-void convertQueryResult(SSqlRes* pRes, SQueryInfo* pQueryInfo, uint64_t objId) {
+void convertQueryResult(SSqlRes* pRes, SQueryInfo* pQueryInfo, uint64_t objId, bool convertNchar) {
   // set the correct result
   SSDataBlock* p = pQueryInfo->pQInfo->runtimeEnv.outputBuf;
   pRes->numOfRows = (p != NULL)? p->info.rows: 0;
 
   if (pRes->code == TSDB_CODE_SUCCESS && pRes->numOfRows > 0) {
     tscCreateResPointerInfo(pRes, pQueryInfo);
-    tscSetResRawPtrRv(pRes, pQueryInfo, p);
+    tscSetResRawPtrRv(pRes, pQueryInfo, p, convertNchar);
   }
 
   tscDebug("0x%"PRIx64" retrieve result in pRes, numOfRows:%d", objId, pRes->numOfRows);
@@ -1202,7 +1202,7 @@ void handleDownstreamOperator(SSqlObj** pSqlObjList, int32_t numOfUpstream, SQue
 
   uint64_t qId = pSql->self;
   qTableQuery(px->pQInfo, &qId);
-  convertQueryResult(pOutput, px, pSql->self);
+  convertQueryResult(pOutput, px, pSql->self, false);
 }
 
 static void tscDestroyResPointerInfo(SSqlRes* pRes) {
@@ -3069,6 +3069,7 @@ int32_t tscQueryInfoCopy(SQueryInfo* pQueryInfo, const SQueryInfo* pSrc) {
   pQueryInfo->pTableMetaInfo = NULL;
 
   pQueryInfo->bufLen         = pSrc->bufLen;
+  pQueryInfo->orderProjectQuery = pSrc->orderProjectQuery;
   pQueryInfo->buf            = malloc(pSrc->bufLen);
   if (pQueryInfo->buf == NULL) {
     code = TSDB_CODE_TSC_OUT_OF_MEMORY;
@@ -3654,6 +3655,7 @@ void executeQuery(SSqlObj* pSql, SQueryInfo* pQueryInfo) {
 
     pSql->pSubs = calloc(pSql->subState.numOfSub, POINTER_BYTES);
     pSql->subState.states = calloc(pSql->subState.numOfSub, sizeof(int8_t));
+    pthread_mutex_init(&pSql->subState.mutex, NULL);
 
     for(int32_t i = 0; i < pSql->subState.numOfSub; ++i) {
       SQueryInfo* pSub = taosArrayGetP(pQueryInfo->pUpstream, i);
diff --git a/src/client/tests/cliTest.cpp b/src/client/tests/cliTest.cpp
index 30f248b541..c2799c7ff6 100644
--- a/src/client/tests/cliTest.cpp
+++ b/src/client/tests/cliTest.cpp
@@ -1,5 +1,6 @@
 #include <gtest/gtest.h>
 #include <iostream>
+#include <inttypes.h>
 
 #include "taos.h"
 #include "tglobal.h"
@@ -132,7 +133,7 @@ void validateResultFields() {
   taos_free_result(res);
 
   char sql[512] = {0};
-  sprintf(sql, "insert into t1 values(%ld, 99, 'abc', 'test')", start_ts);
+  sprintf(sql, "insert into t1 values(%" PRId64 ", 99, 'abc', 'test')", start_ts);
 
   res = taos_query(conn, sql);
   ASSERT_EQ(taos_errno(res), 0);
diff --git a/src/client/tests/timeParseTest.cpp b/src/client/tests/timeParseTest.cpp
index 3cc6d541e0..f6de5d46a7 100644
--- a/src/client/tests/timeParseTest.cpp
+++ b/src/client/tests/timeParseTest.cpp
@@ -1,8 +1,10 @@
-#include "os.h"
+
 #include <gtest/gtest.h>
 #include <cassert>
 #include <iostream>
+#include <inttypes.h>
 
+#include "os.h"
 #include "taos.h"
 #include "ttoken.h"
 #include "tutil.h"
@@ -15,10 +17,10 @@ int main(int argc, char** argv) {
 extern void deltaToUtcInitOnce();
 /* test parse time function */
 TEST(testCase, parse_time) {
-  
+
   taos_options(TSDB_OPTION_TIMEZONE, "GMT-8");
   deltaToUtcInitOnce();
-  
+
   char t1[] = "2018-1-1 1:1:1.952798";
   char t13[] = "1970-1-1 0:0:0";
 
@@ -77,15 +79,15 @@ TEST(testCase, parse_time) {
   taosParseTime(t12, &time1, strlen(t12), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, time1);
 
-  taos_options(TSDB_OPTION_TIMEZONE, "UTC");  
+  taos_options(TSDB_OPTION_TIMEZONE, "UTC");
   deltaToUtcInitOnce();
-  
+
   taosParseTime(t13, &time, strlen(t13), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, 0);
 
   taos_options(TSDB_OPTION_TIMEZONE, "Asia/Shanghai");
   deltaToUtcInitOnce();
-  
+
   char t14[] = "1970-1-1T0:0:0Z";
   taosParseTime(t14, &time, strlen(t14), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, 0);
@@ -135,7 +137,7 @@ TEST(testCase, parse_time) {
 
 
   //======================== add some case ============================//
-  
+
   char b1[] = "9999-12-31 23:59:59.999";
   taosParseTime(b1, &time, strlen(b1), TSDB_TIME_PRECISION_MILLI,0);
   EXPECT_EQ(time, 253402271999999);
@@ -145,27 +147,27 @@ TEST(testCase, parse_time) {
   taosParseTime(b2, &time, strlen(b2), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, 1577811661321);
 
-  taos_options(TSDB_OPTION_TIMEZONE, "America/New_York");  
+  taos_options(TSDB_OPTION_TIMEZONE, "America/New_York");
   deltaToUtcInitOnce();
-  
+
   taosParseTime(t13, &time, strlen(t13), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, 18000 * MILLISECOND_PER_SECOND);
 
-  taos_options(TSDB_OPTION_TIMEZONE, "Asia/Tokyo");  
+  taos_options(TSDB_OPTION_TIMEZONE, "Asia/Tokyo");
   deltaToUtcInitOnce();
-  
+
   taosParseTime(t13, &time, strlen(t13), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, -32400 * MILLISECOND_PER_SECOND);
 
   taos_options(TSDB_OPTION_TIMEZONE, "Asia/Shanghai");
   deltaToUtcInitOnce();
-  
+
   taosParseTime(t13, &time, strlen(t13), TSDB_TIME_PRECISION_MILLI, 0);
   EXPECT_EQ(time, -28800 * MILLISECOND_PER_SECOND);
 
   char t[] = "2021-01-08T02:11:40.000+00:00";
   taosParseTime(t, &time, strlen(t), TSDB_TIME_PRECISION_MILLI, 0);
-  printf("%ld\n", time);
+  printf("%" PRId64 "\n", time);
 }
 
 
diff --git a/src/connector/grafanaplugin b/src/connector/grafanaplugin
index dbc5f04ebd..3530c6df09 160000
--- a/src/connector/grafanaplugin
+++ b/src/connector/grafanaplugin
@@ -1 +1 @@
-Subproject commit dbc5f04ebd29522d2acd0636f6fc350060d15a6b
+Subproject commit 3530c6df097134a410bacec6b3cd013ef38a61aa
diff --git a/src/connector/nodejs/nodetaos/cinterface.js b/src/connector/nodejs/nodetaos/cinterface.js
index f3961e3787..1c2685b8cb 100644
--- a/src/connector/nodejs/nodetaos/cinterface.js
+++ b/src/connector/nodejs/nodetaos/cinterface.js
@@ -126,28 +126,18 @@ function convertDouble(data, num_of_rows, nbytes = 0, offset = 0, micro = false)
   }
   return res;
 }
-function convertBinary(data, num_of_rows, nbytes = 0, offset = 0, micro = false) {
-  data = ref.reinterpret(data.deref(), nbytes * num_of_rows, offset);
-  let res = [];
-  let currOffset = 0;
-  while (currOffset < data.length) {
-    let dataEntry = data.slice(currOffset, currOffset + nbytes);
-    if (dataEntry[0] == FieldTypes.C_BINARY_NULL) {
-      res.push(null);
-    }
-    else {
-      res.push(ref.readCString(dataEntry));
-    }
-    currOffset += nbytes;
-  }
-  return res;
-}
+
 function convertNchar(data, num_of_rows, nbytes = 0, offset = 0, micro = false) {
   data = ref.reinterpret(data.deref(), nbytes * num_of_rows, offset);
   let res = [];
-  let dataEntry = data.slice(0, nbytes); //one entry in a row under a column;
-  //TODO: should use the correct character encoding 
-  res.push(dataEntry.toString("utf-8"));
+
+  let currOffset = 0;
+  while (currOffset < data.length) {
+    let len = data.readIntLE(currOffset, 2);
+    let dataEntry = data.slice(currOffset + 2, currOffset + len + 2); //one entry in a row under a column;
+    res.push(dataEntry.toString("utf-8"));
+    currOffset += nbytes;
+  }
   return res;
 }
 
@@ -160,7 +150,7 @@ let convertFunctions = {
   [FieldTypes.C_BIGINT]: convertBigint,
   [FieldTypes.C_FLOAT]: convertFloat,
   [FieldTypes.C_DOUBLE]: convertDouble,
-  [FieldTypes.C_BINARY]: convertBinary,
+  [FieldTypes.C_BINARY]: convertNchar,
   [FieldTypes.C_TIMESTAMP]: convertTimestamp,
   [FieldTypes.C_NCHAR]: convertNchar
 }
diff --git a/src/connector/nodejs/package.json b/src/connector/nodejs/package.json
index d21b62108b..b57d4c635c 100644
--- a/src/connector/nodejs/package.json
+++ b/src/connector/nodejs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "td2.0-connector",
-  "version": "2.0.7",
+  "version": "2.0.8",
   "description": "A Node.js connector for TDengine.",
   "main": "tdengine.js",
   "directories": {
diff --git a/src/inc/tbn.h b/src/inc/tbn.h
index b9f4e3c608..b35f90eb15 100644
--- a/src/inc/tbn.h
+++ b/src/inc/tbn.h
@@ -31,6 +31,7 @@ void    bnReset();
 int32_t bnAllocVnodes(struct SVgObj *pVgroup);
 int32_t bnAlterDnode(struct SDnodeObj *pDnode, int32_t vnodeId, int32_t dnodeId);
 int32_t bnDropDnode(struct SDnodeObj *pDnode);
+int32_t bnDnodeCanCreateMnode(struct SDnodeObj *pDnode);
 
 #ifdef __cplusplus
 }
diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index f6dc6d9c79..93fac54233 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -636,6 +636,9 @@ static FILE *          g_fpOfInsertResult = NULL;
 #define errorPrint(fmt, ...) \
     do { fprintf(stderr, "ERROR: "fmt, __VA_ARGS__); } while(0)
 
+// for strncpy buffer overflow
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+
 
 ///////////////////////////////////////////////////
 
@@ -2574,7 +2577,7 @@ static int getSuperTableFromServer(TAOS * taos, char* dbName,
               fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes);
       tstrncpy(superTbls->tags[tagIndex].dataType,
               (char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX],
-              fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes);
+              min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
       superTbls->tags[tagIndex].dataLen =
           *((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]);
       tstrncpy(superTbls->tags[tagIndex].note,
@@ -2587,7 +2590,7 @@ static int getSuperTableFromServer(TAOS * taos, char* dbName,
               fields[TSDB_DESCRIBE_METRIC_FIELD_INDEX].bytes);
       tstrncpy(superTbls->columns[columnIndex].dataType,
               (char *)row[TSDB_DESCRIBE_METRIC_TYPE_INDEX],
-              fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes);
+              min(15, fields[TSDB_DESCRIBE_METRIC_TYPE_INDEX].bytes));
       superTbls->columns[columnIndex].dataLen =
           *((int *)row[TSDB_DESCRIBE_METRIC_LENGTH_INDEX]);
       tstrncpy(superTbls->columns[columnIndex].note,
@@ -7472,7 +7475,6 @@ static void *specifiedSubscribe(void *sarg) {
       }
   }
   taos_free_result(g_queryInfo.specifiedQueryInfo.res[pThreadInfo->threadID]);
-  taos_unsubscribe(g_queryInfo.specifiedQueryInfo.tsub[pThreadInfo->querySeq], 0);
   taos_close(pThreadInfo->taos);
 
   return NULL;
diff --git a/src/mnode/src/mnodeDnode.c b/src/mnode/src/mnodeDnode.c
index e3feea7d3a..5a0743dd1b 100644
--- a/src/mnode/src/mnodeDnode.c
+++ b/src/mnode/src/mnodeDnode.c
@@ -16,7 +16,6 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "tgrant.h"
-#include "tbn.h"
 #include "tglobal.h"
 #include "tconfig.h"
 #include "tutil.h"
@@ -632,7 +631,8 @@ static int32_t mnodeProcessDnodeStatusMsg(SMnodeMsg *pMsg) {
   }
 
   int32_t numOfMnodes = mnodeGetMnodesNum();
-  if (numOfMnodes < tsNumOfMnodes && numOfMnodes < mnodeGetOnlineDnodesNum() && !pDnode->isMgmt) {
+  if (numOfMnodes < tsNumOfMnodes && numOfMnodes < mnodeGetOnlineDnodesNum()
+      && bnDnodeCanCreateMnode(pDnode)) {
     bnNotify();
   }
 
diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index 6c96f1f0d2..189c4b6005 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -2075,7 +2075,9 @@ static int32_t mnodeDoCreateChildTable(SMnodeMsg *pMsg, int32_t tid) {
   } else {
     if (pTable->info.type == TSDB_SUPER_TABLE) {
       int64_t us = taosGetTimestampUs();
-      pTable->uid = (us << 24) + ((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));
+      uint64_t x = (us&0x000000FFFFFFFFFF);
+      x = x<<24;
+      pTable->uid = x + ((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));
     } else {
       pTable->uid = (((uint64_t)pTable->vgId) << 48) + ((((uint64_t)pTable->tid) & ((1ul << 24) - 1ul)) << 24) +
                     ((sdbGetVersion() & ((1ul << 16) - 1ul)) << 8) + (taosRand() & ((1ul << 8) - 1ul));
diff --git a/src/query/inc/qTableMeta.h b/src/query/inc/qTableMeta.h
index 4fc252b644..7ec6dfbcf9 100644
--- a/src/query/inc/qTableMeta.h
+++ b/src/query/inc/qTableMeta.h
@@ -118,7 +118,6 @@ typedef struct SQueryInfo {
   int64_t          vgroupLimit;    // table limit in case of super table projection query + global order + limit
 
   int32_t          udColumnId;    // current user-defined constant output field column id, monotonically decreases from TSDB_UD_COLUMN_INDEX
-  int16_t          resColumnId;   // result column id
   bool             distinctTag;   // distinct tag or not
   int32_t          round;         // 0/1/....
   int32_t          bufLen;
diff --git a/src/wal/test/waltest.c b/src/wal/test/waltest.c
index 9a52a2ca83..505728fbe4 100644
--- a/src/wal/test/waltest.c
+++ b/src/wal/test/waltest.c
@@ -19,6 +19,7 @@
 #include "tglobal.h"
 #include "tlog.h"
 #include "twal.h"
+#include "tfile.h"
 
 int64_t  ver = 0;
 void    *pWal = NULL;
@@ -36,7 +37,7 @@ int writeToQueue(void *pVnode, void *data, int type, void *pMsg) {
 }
 
 int main(int argc, char *argv[]) {
-  char path[128] = "/home/jhtao/test/wal";
+  char path[128] = "/tmp/wal";
   int  level = 2;
   int  total = 5;
   int  rows = 10000;
@@ -72,9 +73,11 @@ int main(int argc, char *argv[]) {
       printf("  [-h help]: print out this help\n\n");
       exit(0);
     }
-  } 
+  }
 
   taosInitLog("wal.log", 100000, 10);
+  tfInit();
+  walInit();
 
   SWalCfg walCfg = {0};
   walCfg.walLevel = level;
@@ -122,13 +125,13 @@ int main(int argc, char *argv[]) {
 
     printf("index:%" PRId64 " wal:%s\n", index, name);
     if (code == 0) break;
-
-    index++;
   }
 
   getchar();
 
   walClose(pWal);
+  walCleanUp();
+  tfCleanup();
 
   return 0;
 }
diff --git a/tests/Jenkinsfile b/tests/Jenkinsfile
index 0c1f651059..a93b412ab9 100644
--- a/tests/Jenkinsfile
+++ b/tests/Jenkinsfile
@@ -110,8 +110,8 @@ pipeline {
             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                 sh '''
                 cd ${WKC}/tests/examples/JDBC/JDBCDemo/
-                mvn clean package assembly:single -DskipTests >/dev/null 
-                java -jar target/JDBCDemo-SNAPSHOT-jar-with-dependencies.jar -host 127.0.0.1
+                mvn clean package >/dev/null 
+                java -jar target/JdbcRestfulDemo-jar-with-dependencies.jar
                 '''
             }
             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
diff --git a/tests/pytest/crash_gen/valgrind_taos.supp b/tests/pytest/crash_gen/valgrind_taos.supp
index b42015a053..376567b7e8 100644
--- a/tests/pytest/crash_gen/valgrind_taos.supp
+++ b/tests/pytest/crash_gen/valgrind_taos.supp
@@ -17722,4 +17722,24 @@
    fun:_PyEval_EvalCodeWithName
    fun:_PyFunction_Vectorcall
    fun:_PyEval_EvalFrameDefault
+}
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Leak
+   match-leak-kinds: definite
+   fun:malloc
+   fun:__libc_alloc_buffer_allocate
+   fun:alloc_buffer_allocate
+   fun:__resolv_conf_allocate
+   fun:__resolv_conf_load
+   fun:__resolv_conf_get_current
+   fun:__res_vinit
+   fun:maybe_init
+   fun:context_get
+   fun:__resolv_context_get
+   fun:gaih_inet.constprop.7
+   fun:getaddrinfo
+   fun:taosGetFqdn
+   fun:taosCheckGlobalCfg
+   fun:taos_init_imp
 }
\ No newline at end of file
diff --git a/tests/pytest/dockerCluster/OneMnodeMultipleVnodesTest.py b/tests/pytest/dockerCluster/OneMnodeMultipleVnodesTest.py
index ee663f89b0..43e281f437 100644
--- a/tests/pytest/dockerCluster/OneMnodeMultipleVnodesTest.py
+++ b/tests/pytest/dockerCluster/OneMnodeMultipleVnodesTest.py
@@ -12,9 +12,6 @@
 # -*- coding: utf-8 -*-
 
 from basic import *
-from util.sql import tdSql
-
-
 
 class TDTestCase:
 
@@ -36,4 +33,6 @@ td = TDTestCase()
 td.init()
 
 
+## usage:  python3 OneMnodeMultipleVnodesTest.py 
+
 
diff --git a/tests/pytest/dockerCluster/basic.py b/tests/pytest/dockerCluster/basic.py
index 50914b0be9..871d69790d 100644
--- a/tests/pytest/dockerCluster/basic.py
+++ b/tests/pytest/dockerCluster/basic.py
@@ -44,7 +44,16 @@ class BuildDockerCluser:
             "jnidebugFlag":"135",
             "qdebugFlag":"135",
             "maxSQLLength":"1048576"
-        }     
+        }
+        cmd = "mkdir -p %s" % self.dockerDir
+        self.execCmd(cmd)
+
+        cmd = "cp *.yml %s" % self.dockerDir
+        self.execCmd(cmd)
+
+        cmd = "cp Dockerfile %s" % self.dockerDir
+        self.execCmd(cmd)
+
 
     # execute command, and return the output 
     # ref: https://blog.csdn.net/wowocpp/article/details/80775650  
@@ -81,7 +90,7 @@ class BuildDockerCluser:
     def removeFile(self, rootDir, index, dir):
         cmd = "rm -rf %s/node%d/%s/*" % (rootDir, index, dir)        
         self.execCmd(cmd)
-
+    
     def clearEnv(self):
         cmd = "cd %s && docker-compose down --remove-orphans" % self.dockerDir
         self.execCmd(cmd)
@@ -108,10 +117,14 @@ class BuildDockerCluser:
         self.execCmd(cmd)
     
     def updateLocalhosts(self):
-        cmd = "grep '172.27.0.7 *tdnode1' /etc/hosts"
+        cmd = "grep '172.27.0.7 *tdnode1' /etc/hosts | sed 's: ::g'"
         result = self.execCmdAndGetOutput(cmd)
-        if result and not result.isspace():
+        print(result)
+        if result is None or result.isspace():
+            print("==========")
             cmd = "echo '172.27.0.7 tdnode1' >> /etc/hosts"
+            display = "echo %s" % cmd
+            self.execCmd(display)
             self.execCmd(cmd)
     
     def deploy(self):
@@ -138,13 +151,13 @@ class BuildDockerCluser:
         if self.numOfNodes < 2 or self.numOfNodes > 10:
             print("the number of nodes must be between 2 and 10")
             exit(0)
-        self.clearEnv()
-        self.createDirs()
         self.updateLocalhosts()
         self.deploy()
 
     def run(self):           
-        cmd = "./buildClusterEnv.sh -n %d -v %s -d %s" % (self.numOfNodes, self.getTaosdVersion(), self.dockerDir)        
+        cmd = "./buildClusterEnv.sh -n %d -v %s -d %s" % (self.numOfNodes, self.getTaosdVersion(), self.dockerDir)
+        display = "echo %s" % cmd
+        self.execCmd(display)
         self.execCmd(cmd)
         self.getConnection()
         self.createDondes()
diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index 88c5909863..17d0bbe190 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -334,6 +334,7 @@ python3 ./test.py -f insert/unsignedInt.py
 python3 ./test.py -f insert/unsignedBigint.py
 python3 ./test.py -f insert/unsignedSmallint.py
 python3 ./test.py -f insert/unsignedTinyint.py
+python3 ./test.py -f insert/insertFromCSV.py
 python3 ./test.py -f query/filterAllUnsignedIntTypes.py
 
 python3 ./test.py -f tag_lite/unsignedInt.py
diff --git a/tests/pytest/insert/insertFromCSVOurofOrder.py b/tests/pytest/insert/insertFromCSV.py
similarity index 59%
rename from tests/pytest/insert/insertFromCSVOurofOrder.py
rename to tests/pytest/insert/insertFromCSV.py
index d4de85b7e9..c5d3648569 100644
--- a/tests/pytest/insert/insertFromCSVOurofOrder.py
+++ b/tests/pytest/insert/insertFromCSV.py
@@ -28,16 +28,15 @@ class TDTestCase:
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor(), logSql)
 
-        self.ts = 1500074556514                  
+        self.ts = 1500074556514
+        self.csvfile = "/tmp/csvfile.csv"
+        self.rows = 100000
     
     def writeCSV(self):
-        with open('test3.csv','w', encoding='utf-8', newline='') as csvFile:
+        with open(self.csvfile, 'w', encoding='utf-8', newline='') as csvFile:
             writer = csv.writer(csvFile, dialect='excel')
-            for i in range(1000000):
-                newTimestamp = self.ts + random.randint(10000000, 10000000000) + random.randint(1000, 10000000) + random.randint(1, 1000)
-                d = datetime.datetime.fromtimestamp(newTimestamp / 1000)
-                dt = str(d.strftime("%Y-%m-%d %H:%M:%S.%f"))
-                writer.writerow(["'%s'" % dt, random.randint(1, 100), random.uniform(1, 100), random.randint(1, 100), random.randint(1, 100)])
+            for i in range(self.rows):                
+                writer.writerow([self.ts + i, random.randint(1, 100), random.uniform(1, 100), random.randint(1, 100), random.randint(1, 100)])
     
     def removCSVHeader(self):
         data = pd.read_csv("ordered.csv")
@@ -45,23 +44,25 @@ class TDTestCase:
         data.to_csv("ordered.csv", header = False, index = False)
 
     def run(self):
+        self.writeCSV()
+
         tdSql.prepare()
-        
         tdSql.execute("create table t1(ts timestamp, c1 int, c2 float, c3 int, c4 int)")
         startTime = time.time()
-        tdSql.execute("insert into t1 file 'outoforder.csv'")
+        tdSql.execute("insert into t1 file '%s'" % self.csvfile) 
         duration = time.time() - startTime
-        print("Out of Order - Insert time: %d" % duration)
-        tdSql.query("select count(*) from t1")
-        rows = tdSql.getData(0, 0)
+        print("Insert time: %d" % duration)
+        tdSql.query("select * from t1")
+        tdSql.checkRows(self.rows)
         
-        tdSql.execute("create table t2(ts timestamp, c1 int, c2 float, c3 int, c4 int)")
-        startTime = time.time()
-        tdSql.execute("insert into t2 file 'ordered.csv'")
-        duration = time.time() - startTime
-        print("Ordered - Insert time: %d" % duration)
-        tdSql.query("select count(*) from t2")
-        tdSql.checkData(0,0, rows)
+        tdSql.execute("create table stb(ts timestamp, c1 int, c2 float, c3 int, c4 int) tags(t1 int, t2 binary(20))")
+        tdSql.execute("insert into t2 using stb(t1) tags(1) file '%s'" % self.csvfile)
+        tdSql.query("select * from stb")
+        tdSql.checkRows(self.rows)
+
+        tdSql.execute("insert into t3 using stb tags(1, 'test') file '%s'" % self.csvfile)
+        tdSql.query("select * from stb")
+        tdSql.checkRows(self.rows * 2)
 
     def stop(self):
         tdSql.close()
diff --git a/tests/pytest/insert/retentionpolicy.py b/tests/pytest/insert/retentionpolicy.py
index 067fe3e5c3..af933aafab 100644
--- a/tests/pytest/insert/retentionpolicy.py
+++ b/tests/pytest/insert/retentionpolicy.py
@@ -115,10 +115,11 @@ class TDTestRetetion:
         cmd = 'select * from test'
         self.queryRows=tdSql.query(cmd)
         self.checkRows(4,cmd)
-        while datetime.datetime.now() < (ttime + datetime.timedelta(hours=72)):
+        while datetime.datetime.now() <= (ttime + datetime.timedelta(hours=72)):
             time.sleep(0.001)
         cmd = 'select * from test'
         self.queryRows=tdSql.query(cmd)
+        print(tdSql.queryResult)
         self.checkRows(3,cmd)
 
     def stop(self):
diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 0f71ffd0a3..ae4ba97eb3 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -127,6 +127,7 @@ class TDDnode:
             "anyIp":"0",
             "tsEnableTelemetryReporting":"0",
             "dDebugFlag":"135",
+            "tsdbDebugFlag":"135",
             "mDebugFlag":"135",
             "sdbDebugFlag":"135",
             "rpcDebugFlag":"135",
diff --git a/tests/script/general/parser/groupby.sim b/tests/script/general/parser/groupby.sim
index 6ae5d420d8..e47af5588e 100644
--- a/tests/script/general/parser/groupby.sim
+++ b/tests/script/general/parser/groupby.sim
@@ -781,4 +781,14 @@ if $data11 != 2 then
   return -1
 endi
 
+sql_error select count(*) from m1 group by tbname,k,f1;
+sql_error select count(*) from m1 group by tbname,k,a;
+sql_error select count(*) from m1 group by k, tbname;
+sql_error select count(*) from m1 group by k,f1;
+sql_error select count(*) from tm0 group by tbname;
+sql_error select count(*) from tm0 group by a;
+sql_error select count(*) from tm0 group by k,f1;
+
+sql_error select count(*),f1 from m1 group by tbname,k;
+
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/general/parser/where.sim b/tests/script/general/parser/where.sim
index d20f013a8e..781b2725b5 100644
--- a/tests/script/general/parser/where.sim
+++ b/tests/script/general/parser/where.sim
@@ -352,18 +352,24 @@ if $rows != 0 then
  return -1
 endi
 
-print ==========================> td-4783
+print ==========================> td-4783,td-4792
 sql create table where_ts(ts timestamp, f int)
 sql insert into where_ts values('2021-06-19 16:22:00', 1);
 sql insert into where_ts values('2021-06-19 16:23:00', 2);
 sql insert into where_ts values('2021-06-19 16:24:00', 3);
 sql insert into where_ts values('2021-06-19 16:25:00', 1);
 sql select * from (select * from where_ts) where ts<'2021-06-19 16:25:00' and ts>'2021-06-19 16:22:00'
-if $row != 2 then
+if $rows != 2 then
   return -1
 endi
 print $data00, $data01
 if $data01 != 2 then
   return -1
 endi
+sql insert into where_ts values(now, 5);
+sleep 10
+sql select * from (select * from where_ts) where ts<now;
+if $rows != 5 then
+  return -1
+endi
 system sh/exec.sh -n dnode1 -s stop -x SIGINT