diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index dc83015a89..fbaf2c3e3f 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1404,7 +1404,7 @@ typedef struct STableScanAnalyzeInfo {
   uint32_t skipBlocks;
   uint32_t filterOutBlocks;
   double   elapsedTime;
-  uint64_t filterTime;
+  double   filterTime;
 } STableScanAnalyzeInfo;
 
 int32_t tSerializeSExplainRsp(void* buf, int32_t bufLen, SExplainRsp* pRsp);
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index e7ae3917f9..08b0f3abb2 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -123,7 +123,7 @@ void createNewTable(TAOS* pConn, int32_t index) {
   }
   taos_free_result(pRes);
 
-  for(int32_t i = 0; i < 1000; i += 20) {
+  for(int32_t i = 0; i < 100000; i += 20) {
     char sql[1024] = {0};
     sprintf(sql,
             "insert into tu%d values(now+%da, %d)(now+%da, %d)(now+%da, %d)(now+%da, %d)"
@@ -154,7 +154,7 @@ TEST(testCase, driverInit_Test) {
 }
 
 TEST(testCase, connect_Test) {
-//  taos_options(TSDB_OPTION_CONFIGDIR, "/home/ubuntu/first/cfg");
+  taos_options(TSDB_OPTION_CONFIGDIR, "/home/lisa/Documents/workspace/tdengine/sim/dnode1/cfg");
 
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   if (pConn == NULL) {
@@ -501,7 +501,6 @@ TEST(testCase, show_vgroup_Test) {
   taos_close(pConn);
 }
 
-
 TEST(testCase, create_multiple_tables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   ASSERT_NE(pConn, nullptr);
@@ -665,6 +664,7 @@ TEST(testCase, insert_test) {
   taos_free_result(pRes);
   taos_close(pConn);
 }
+#endif
 
 TEST(testCase, projection_query_tables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
@@ -697,7 +697,7 @@ TEST(testCase, projection_query_tables) {
   }
   taos_free_result(pRes);
 
-  for(int32_t i = 0; i < 100; ++i) {
+  for(int32_t i = 0; i < 1; ++i) {
     printf("create table :%d\n", i);
     createNewTable(pConn, i);
   }
@@ -723,6 +723,7 @@ TEST(testCase, projection_query_tables) {
   taos_close(pConn);
 }
 
+#if 0
 TEST(testCase, projection_query_stables) {
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   ASSERT_NE(pConn, nullptr);
@@ -820,21 +821,8 @@ TEST(testCase, async_api_test) {
   getchar();
   taos_close(pConn);
 }
-#endif
-
 
 TEST(testCase, update_test) {
-
-  SInterval interval = {0};
-  interval.offset = 8000;
-  interval.interval = 10000;
-  interval.sliding = 4000;
-  interval.intervalUnit = 's';
-  interval.offsetUnit = 's';
-  interval.slidingUnit = 's';
-// STimeWindow w = getAlignQueryTimeWindow(&interval, 0, 1630000000000);
- STimeWindow w = getAlignQueryTimeWindow(&interval, 0, 1629999999999);
-
   TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
   ASSERT_NE(pConn, nullptr);
 
@@ -869,4 +857,8 @@ TEST(testCase, update_test) {
     taos_free_result(pRes);
   }
 }
+
+#endif
+
+
 #pragma GCC diagnostic pop
diff --git a/source/libs/executor/inc/executil.h b/source/libs/executor/inc/executil.h
index be97b20455..c3dad1ed7c 100644
--- a/source/libs/executor/inc/executil.h
+++ b/source/libs/executor/inc/executil.h
@@ -103,7 +103,7 @@ void initGroupedResultInfo(SGroupResInfo* pGroupResInfo, SHashObj* pHashmap, int
 void cleanupGroupResInfo(SGroupResInfo* pGroupResInfo);
 
 void initMultiResInfoFromArrayList(SGroupResInfo* pGroupResInfo, SArray* pArrayList);
-bool hasDataInGroupInfo(SGroupResInfo* pGroupResInfo);
+bool hasRemainResults(SGroupResInfo* pGroupResInfo);
 
 int32_t getNumOfTotalRes(SGroupResInfo* pGroupResInfo);
 
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index d5486d62b1..05dd3806b9 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -297,6 +297,20 @@ enum {
   TABLE_SCAN__BLOCK_ORDER = 2,
 };
 
+typedef struct SAggSupporter {
+    SHashObj*      pResultRowHashTable;  // quick locate the window object for each result
+    char*          keyBuf;               // window key buffer
+    SDiskbasedBuf* pResultBuf;           // query result buffer based on blocked-wised disk file
+    int32_t        resultRowSize;        // the result buffer size for each result row, with the meta data size for each row
+} SAggSupporter;
+
+typedef struct {
+    // if the upstream is an interval operator, the interval info is also kept here to get the time window to check if current data block needs to be loaded.
+ SInterval      interval;
+ SAggSupporter *pAggSup;
+ SExprSupp     *pExprSup;         // expr supporter of aggregate operator
+} SAggOptrPushDownInfo;
+
 typedef struct STableScanInfo {
   STsdbReader*    dataReader;
   SReadHandle     readHandle;
@@ -312,12 +326,13 @@ typedef struct STableScanInfo {
   SQueryTableDataCond cond;
   int32_t         scanFlag;     // table scan flag to denote if it is a repeat/reverse/main scan
   int32_t         dataBlockLoadFlag;
-  SInterval       interval;     // if the upstream is an interval operator, the interval info is also kept here to get the time window to check if current data block needs to be loaded.
+//  SInterval       interval;     // if the upstream is an interval operator, the interval info is also kept here to get the time window to check if current data block needs to be loaded.
   SSampleExecInfo sample;       // sample execution info
   int32_t         currentGroupId;
   int32_t         currentTable;
   int8_t          scanMode;
   int8_t          noTable;
+  SAggOptrPushDownInfo pdInfo;
 } STableScanInfo;
 
 typedef struct STableMergeScanInfo {
@@ -504,13 +519,6 @@ typedef struct SOptrBasicInfo {
   SSDataBlock*    pRes;
 } SOptrBasicInfo;
 
-typedef struct SAggSupporter {
-  SHashObj*      pResultRowHashTable;  // quick locate the window object for each result
-  char*          keyBuf;               // window key buffer
-  SDiskbasedBuf* pResultBuf;           // query result buffer based on blocked-wised disk file
-  int32_t        resultRowSize;        // the result buffer size for each result row, with the meta data size for each row
-} SAggSupporter;
-
 typedef struct SIntervalAggOperatorInfo {
   // SOptrBasicInfo should be first, SAggSupporter should be second for stream encode
   SOptrBasicInfo     binfo;              // basic info
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 65df7140f7..96c20d6136 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -137,7 +137,7 @@ void initMultiResInfoFromArrayList(SGroupResInfo* pGroupResInfo, SArray* pArrayL
   ASSERT(pGroupResInfo->index <= getNumOfTotalRes(pGroupResInfo));
 }
 
-bool hasDataInGroupInfo(SGroupResInfo* pGroupResInfo) {
+bool hasRemainResults(SGroupResInfo* pGroupResInfo) {
   if (pGroupResInfo->pRows == NULL) {
     return false;
   }
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 525d7bf336..12501f9f7a 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -141,8 +141,7 @@ static int32_t doCopyToSDataBlock(SExecTaskInfo* taskInfo, SSDataBlock* pBlock,
                                   SqlFunctionCtx* pCtx, int32_t numOfExprs);
 
 static void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size);
-static void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, SAggOperatorInfo* pAggInfo, int32_t numOfOutput,
-                                     uint64_t groupId);
+static void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, int32_t numOfOutput, uint64_t groupId);
 
 // setup the output buffer for each operator
 static bool hasNull(SColumn* pColumn, SColumnDataAgg* pStatis) {
@@ -1393,10 +1392,11 @@ void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowR
   }
 }
 
-void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, SAggOperatorInfo* pAggInfo, int32_t numOfOutput,
-                              uint64_t groupId) {
+void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, int32_t numOfOutput, uint64_t groupId) {
   // for simple group by query without interval, all the tables belong to one group result.
-  SExecTaskInfo*  pTaskInfo = pOperator->pTaskInfo;
+  SExecTaskInfo*    pTaskInfo = pOperator->pTaskInfo;
+  SAggOperatorInfo* pAggInfo = pOperator->info;
+
   SResultRowInfo* pResultRowInfo = &pAggInfo->binfo.resultRowInfo;
   SqlFunctionCtx* pCtx = pOperator->exprSupp.pCtx;
   int32_t*        rowEntryInfoOffset = pOperator->exprSupp.rowEntryInfoOffset;
@@ -1420,14 +1420,13 @@ void doSetTableGroupOutputBuf(SOperatorInfo* pOperator, SAggOperatorInfo* pAggIn
   setResultRowInitCtx(pResultRow, pCtx, numOfOutput, rowEntryInfoOffset);
 }
 
-void setExecutionContext(SOperatorInfo* pOperator, int32_t numOfOutput, uint64_t groupId, SAggOperatorInfo* pAggInfo) {
-  if (pAggInfo->groupId != INT32_MIN && pAggInfo->groupId == groupId) {
+static void setExecutionContext(SOperatorInfo* pOperator, int32_t numOfOutput, uint64_t groupId) {
+  SAggOperatorInfo* pAggInfo = pOperator->info;
+  if (pAggInfo->groupId != UINT64_MAX && pAggInfo->groupId == groupId) {
     return;
   }
-#ifdef BUF_PAGE_DEBUG
-  qDebug("page_setbuf, groupId:%" PRIu64, groupId);
-#endif
-  doSetTableGroupOutputBuf(pOperator, pAggInfo, numOfOutput, groupId);
+
+  doSetTableGroupOutputBuf(pOperator, numOfOutput, groupId);
 
   // record the current active group id
   pAggInfo->groupId = groupId;
@@ -1594,7 +1593,7 @@ void doBuildResultDatablock(SOperatorInfo* pOperator, SOptrBasicInfo* pbInfo, SG
   pBlock->info.version = pTaskInfo->version;
 
   blockDataCleanup(pBlock);
-  if (!hasDataInGroupInfo(pGroupResInfo)) {
+  if (!hasRemainResults(pGroupResInfo)) {
     return;
   }
 
@@ -2931,7 +2930,7 @@ static int32_t doOpenAggregateOptr(SOperatorInfo* pOperator) {
     }
 
     // the pDataBlock are always the same one, no need to call this again
-    setExecutionContext(pOperator, pOperator->exprSupp.numOfExprs, pBlock->info.groupId, pAggInfo);
+    setExecutionContext(pOperator, pOperator->exprSupp.numOfExprs, pBlock->info.groupId);
     setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, scanFlag, true);
     code = doAggregateImpl(pOperator, pSup->pCtx);
     if (code != 0) {
@@ -2966,7 +2965,7 @@ static SSDataBlock* getAggregateResult(SOperatorInfo* pOperator) {
     doBuildResultDatablock(pOperator, pInfo, &pAggInfo->groupResInfo, pAggInfo->aggSup.pResultBuf);
     doFilter(pAggInfo->pCondition, pInfo->pRes, NULL);
 
-    if (!hasDataInGroupInfo(&pAggInfo->groupResInfo)) {
+    if (!hasRemainResults(&pAggInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
       break;
     }
@@ -3356,7 +3355,6 @@ static void destroyOperatorInfo(SOperatorInfo* pOperator) {
     pOperator->numOfDownstream = 0;
   }
 
-  cleanupExprSupp(&pOperator->exprSupp);
   taosMemoryFreeClear(pOperator);
 }
 
@@ -3501,7 +3499,7 @@ SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo*
     goto _error;
   }
 
-  pInfo->groupId = INT32_MIN;
+  pInfo->groupId = UINT64_MAX;
   pInfo->pCondition = pCondition;
   pOperator->name = "TableAggregate";
   pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_HASH_AGG;
@@ -3513,6 +3511,12 @@ SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo*
   pOperator->fpSet = createOperatorFpSet(doOpenAggregateOptr, getAggregateResult, NULL, NULL, destroyAggOperatorInfo,
                                          aggEncodeResultRow, aggDecodeResultRow, NULL);
 
+  if (downstream->operatorType == QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
+    STableScanInfo* pTableScanInfo = downstream->info;
+    pTableScanInfo->pdInfo.pExprSup = &pOperator->exprSupp;
+    pTableScanInfo->pdInfo.pAggSup = &pInfo->aggSup;
+  }
+
   code = appendDownstream(pOperator, &downstream, 1);
   if (code != TSDB_CODE_SUCCESS) {
     goto _error;
diff --git a/source/libs/executor/src/groupoperator.c b/source/libs/executor/src/groupoperator.c
index c83206b730..5c37cf01e8 100644
--- a/source/libs/executor/src/groupoperator.c
+++ b/source/libs/executor/src/groupoperator.c
@@ -301,8 +301,7 @@ static SSDataBlock* buildGroupResultDataBlock(SOperatorInfo* pOperator) {
     doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
     doFilter(pInfo->pCondition, pRes, NULL);
 
-    bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
-    if (!hasRemain) {
+    if (!hasRemainResults(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
       break;
     }
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index f07256e88e..34fd9a07ee 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -166,6 +166,67 @@ static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockIn
   return false;
 }
 
+// this function is for table scanner to extract temporary results of upstream aggregate results.
+static SResultRow* getTableGroupOutputBuf(SOperatorInfo* pOperator, uint64_t groupId, SFilePage** pPage) {
+  if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN) {
+    return NULL;
+  }
+
+  int64_t buf[2] = {0};
+  SET_RES_WINDOW_KEY((char*)buf, &groupId, sizeof(groupId), groupId);
+
+  STableScanInfo* pTableScanInfo = pOperator->info;
+
+  SResultRowPosition* p1 =
+      (SResultRowPosition*)taosHashGet(pTableScanInfo->pdInfo.pAggSup->pResultRowHashTable, buf, GET_RES_WINDOW_KEY_LEN(sizeof(groupId)));
+
+  if (p1 == NULL) {
+    return NULL;
+  }
+
+  *pPage = getBufPage(pTableScanInfo->pdInfo.pAggSup->pResultBuf, p1->pageId);
+  return (SResultRow*)((char*)(*pPage) + p1->offset);
+}
+
+static int32_t doDynamicPruneDataBlock(SOperatorInfo* pOperator, SDataBlockInfo* pBlockInfo, uint32_t* status) {
+  STableScanInfo* pTableScanInfo = pOperator->info;
+
+  if (pTableScanInfo->pdInfo.pExprSup == NULL) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  SExprSupp* pSup1 = pTableScanInfo->pdInfo.pExprSup;
+
+  SFilePage*  pPage = NULL;
+  SResultRow* pRow = getTableGroupOutputBuf(pOperator, pBlockInfo->groupId, &pPage);
+
+  if (pRow == NULL) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  bool notLoadBlock = true;
+  for (int32_t i = 0; i < pSup1->numOfExprs; ++i) {
+    int32_t functionId = pSup1->pCtx[i].functionId;
+
+    SResultRowEntryInfo* pEntry = getResultEntryInfo(pRow, i, pTableScanInfo->pdInfo.pExprSup->rowEntryInfoOffset);
+
+    int32_t reqStatus = fmFuncDynDataRequired(functionId, pEntry, &pBlockInfo->window);
+    if (reqStatus != FUNC_DATA_REQUIRED_NOT_LOAD) {
+      notLoadBlock = false;
+      break;
+    }
+  }
+
+  // release buffer pages
+  releaseBufPage(pTableScanInfo->pdInfo.pAggSup->pResultBuf, pPage);
+
+  if (notLoadBlock) {
+    *status = FUNC_DATA_REQUIRED_NOT_LOAD;
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock,
                              uint32_t* status) {
   SExecTaskInfo*  pTaskInfo = pOperator->pTaskInfo;
@@ -178,7 +239,7 @@ static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableSca
 
   *status = pInfo->dataBlockLoadFlag;
   if (pTableScanInfo->pFilterNode != NULL ||
-      overlapWithTimeWindow(&pTableScanInfo->interval, &pBlock->info, pTableScanInfo->cond.order)) {
+      overlapWithTimeWindow(&pTableScanInfo->pdInfo.interval, &pBlock->info, pTableScanInfo->cond.order)) {
     (*status) = FUNC_DATA_REQUIRED_DATA_LOAD;
   }
 
@@ -232,6 +293,16 @@ static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableSca
   ASSERT(*status == FUNC_DATA_REQUIRED_DATA_LOAD);
 
   // todo filter data block according to the block sma data firstly
+
+  doDynamicPruneDataBlock(pOperator, pBlockInfo, status);
+  if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
+    qDebug("%s data block skipped, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
+           pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
+    pCost->skipBlocks += 1;
+
+    return TSDB_CODE_SUCCESS;
+  }
+
 #if 0
   if (!doFilterByBlockStatistics(pBlock->pBlockStatis, pTableScanInfo->pCtx, pBlockInfo->rows)) {
     pCost->filterOutBlocks += 1;
@@ -263,18 +334,20 @@ static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableSca
     }
   }
 
-  int64_t st = taosGetTimestampMs();
-  doFilter(pTableScanInfo->pFilterNode, pBlock, pTableScanInfo->pColMatchInfo);
+  if (pTableScanInfo->pFilterNode != NULL) {
+    int64_t st = taosGetTimestampUs();
+    doFilter(pTableScanInfo->pFilterNode, pBlock, pTableScanInfo->pColMatchInfo);
 
-  int64_t et = taosGetTimestampMs();
-  pTableScanInfo->readRecorder.filterTime += (et - st);
+    double el = (taosGetTimestampUs() - st) / 1000.0;
+    pTableScanInfo->readRecorder.filterTime += el;
 
-  if (pBlock->info.rows == 0) {
-    pCost->filterOutBlocks += 1;
-    qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
-           pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
-  } else {
-    qDebug("%s data block filter out, elapsed time:%" PRId64, GET_TASKID(pTaskInfo), (et - st));
+    if (pBlock->info.rows == 0) {
+      pCost->filterOutBlocks += 1;
+      qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d, elapsed time:%.2f ms",
+             GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, el);
+    } else {
+      qDebug("%s data block filter applied, elapsed time:%.2f ms", GET_TASKID(pTaskInfo), el);
+    }
   }
 
   return TSDB_CODE_SUCCESS;
@@ -602,11 +675,12 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
     pSup->pCtx = createSqlFunctionCtx(pSup->pExprInfo, pSup->numOfExprs, &pSup->rowEntryInfoOffset);
   }
 
-  pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
-  //    pInfo->scanInfo = (SScanInfo){.numOfAsc = 0, .numOfDesc = 1}; // for debug purpose
+//  pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
+      pInfo->scanInfo = (SScanInfo){.numOfAsc = 0, .numOfDesc = 1}; // for debug purpose
+      pInfo->cond.order = TSDB_ORDER_DESC;
 
+  pInfo->pdInfo.interval = extractIntervalInfo(pTableScanNode);
   pInfo->readHandle = *readHandle;
-  pInfo->interval = extractIntervalInfo(pTableScanNode);
   pInfo->sample.sampleRatio = pTableScanNode->ratio;
   pInfo->sample.seed = taosGetTimestampSec();
 
@@ -1484,14 +1558,14 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
       pInfo->tqReader = pHandle->tqReader;
     }
 
-    if (pTSInfo->interval.interval > 0) {
-      pInfo->pUpdateInfo = updateInfoInitP(&pTSInfo->interval, pInfo->twAggSup.waterMark);
+    if (pTSInfo->pdInfo.interval.interval > 0) {
+      pInfo->pUpdateInfo = updateInfoInitP(&pTSInfo->pdInfo.interval, pInfo->twAggSup.waterMark);
     } else {
       pInfo->pUpdateInfo = NULL;
     }
 
     pInfo->pTableScanOp = pTableScanOp;
-    pInfo->interval = pTSInfo->interval;
+    pInfo->interval = pTSInfo->pdInfo.interval;
 
     pInfo->readHandle = *pHandle;
     pInfo->tableUid = pScanPhyNode->uid;
@@ -2667,16 +2741,20 @@ static int32_t loadDataBlockFromOneTable(SOperatorInfo* pOperator, STableMergeSc
     }
   }
 
-  int64_t st = taosGetTimestampMs();
-  doFilter(pTableScanInfo->pFilterNode, pBlock, pTableScanInfo->pColMatchInfo);
+  if (pTableScanInfo->pFilterNode != NULL) {
+    int64_t st = taosGetTimestampMs();
+    doFilter(pTableScanInfo->pFilterNode, pBlock, pTableScanInfo->pColMatchInfo);
 
-  int64_t et = taosGetTimestampMs();
-  pTableScanInfo->readRecorder.filterTime += (et - st);
+    double el = (taosGetTimestampUs() - st) / 1000.0;
+    pTableScanInfo->readRecorder.filterTime += el;
 
-  if (pBlock->info.rows == 0) {
-    pCost->filterOutBlocks += 1;
-    qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
-           pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
+    if (pBlock->info.rows == 0) {
+      pCost->filterOutBlocks += 1;
+      qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d, elapsed time:%.2f ms",
+             GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, el);
+    } else {
+      qDebug("%s data block filter applied, elapsed time:%.2f ms", GET_TASKID(pTaskInfo), el);
+    }
   }
 
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 9a82b194a9..8dedffce3a 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -1216,7 +1216,7 @@ static SSDataBlock* doStateWindowAgg(SOperatorInfo* pOperator) {
       doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
       doFilter(pInfo->pCondition, pBInfo->pRes, NULL);
 
-      bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
+      bool hasRemain = hasRemainResults(&pInfo->groupResInfo);
       if (!hasRemain) {
         doSetOperatorCompleted(pOperator);
         break;
@@ -1256,7 +1256,7 @@ static SSDataBlock* doStateWindowAgg(SOperatorInfo* pOperator) {
     doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
     doFilter(pInfo->pCondition, pBInfo->pRes, NULL);
 
-    bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
+    bool hasRemain = hasRemainResults(&pInfo->groupResInfo);
     if (!hasRemain) {
       doSetOperatorCompleted(pOperator);
       break;
@@ -1293,7 +1293,7 @@ static SSDataBlock* doBuildIntervalResult(SOperatorInfo* pOperator) {
       doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
       doFilter(pInfo->pCondition, pBlock, NULL);
 
-      bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
+      bool hasRemain = hasRemainResults(&pInfo->groupResInfo);
       if (!hasRemain) {
         doSetOperatorCompleted(pOperator);
         break;
@@ -1562,7 +1562,7 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
     }
 
     doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
-    if (pInfo->binfo.pRes->info.rows == 0 || !hasDataInGroupInfo(&pInfo->groupResInfo)) {
+    if (pInfo->binfo.pRes->info.rows == 0 || !hasRemainResults(&pInfo->groupResInfo)) {
       pOperator->status = OP_EXEC_DONE;
       qDebug("===stream===single interval is done");
       freeAllPages(pInfo->pRecycledPages, pInfo->aggSup.pResultBuf);
@@ -2009,7 +2009,7 @@ static SSDataBlock* doSessionWindowAgg(SOperatorInfo* pOperator) {
       doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
       doFilter(pInfo->pCondition, pBInfo->pRes, NULL);
 
-      bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
+      bool hasRemain = hasRemainResults(&pInfo->groupResInfo);
       if (!hasRemain) {
         doSetOperatorCompleted(pOperator);
         break;
@@ -2052,7 +2052,7 @@ static SSDataBlock* doSessionWindowAgg(SOperatorInfo* pOperator) {
     doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
     doFilter(pInfo->pCondition, pBInfo->pRes, NULL);
 
-    bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
+    bool hasRemain = hasRemainResults(&pInfo->groupResInfo);
     if (!hasRemain) {
       doSetOperatorCompleted(pOperator);
       break;
@@ -2210,7 +2210,7 @@ static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
 
   //  if (pOperator->status == OP_RES_TO_RETURN) {
   //    //    doBuildResultDatablock(&pRuntimeEnv->groupResInfo, pRuntimeEnv, pIntervalInfo->pRes);
-  //    if (pResBlock->info.rows == 0 || !hasDataInGroupInfo(&pSliceInfo->groupResInfo)) {
+  //    if (pResBlock->info.rows == 0 || !hasRemainResults(&pSliceInfo->groupResInfo)) {
   //      doSetOperatorCompleted(pOperator);
   //    }
   //
@@ -3823,7 +3823,7 @@ static SSDataBlock* doStreamSessionAgg(SOperatorInfo* pOperator) {
       return pInfo->pDelRes;
     }
     doBuildResultDatablock(pOperator, pBInfo, &pInfo->groupResInfo, pInfo->streamAggSup.pResultBuf);
-    if (pBInfo->pRes->info.rows == 0 || !hasDataInGroupInfo(&pInfo->groupResInfo)) {
+    if (pBInfo->pRes->info.rows == 0 || !hasRemainResults(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
     }
     printDataBlock(pBInfo->pRes, IS_FINAL_OP(pInfo) ? "final session" : "single session");
@@ -4379,7 +4379,7 @@ static SSDataBlock* doStreamStateAgg(SOperatorInfo* pOperator) {
       return pInfo->pDelRes;
     }
     doBuildResultDatablock(pOperator, pBInfo, &pInfo->groupResInfo, pInfo->streamAggSup.pResultBuf);
-    if (pBInfo->pRes->info.rows == 0 || !hasDataInGroupInfo(&pInfo->groupResInfo)) {
+    if (pBInfo->pRes->info.rows == 0 || !hasRemainResults(&pInfo->groupResInfo)) {
       doSetOperatorCompleted(pOperator);
     }
     printDataBlock(pBInfo->pRes, "single state");
diff --git a/source/libs/function/inc/builtinsimpl.h b/source/libs/function/inc/builtinsimpl.h
index 35669b3e42..0880f2f5c7 100644
--- a/source/libs/function/inc/builtinsimpl.h
+++ b/source/libs/function/inc/builtinsimpl.h
@@ -118,6 +118,7 @@ int32_t firstLastPartialFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
 int32_t firstCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
 int32_t lastCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
 int32_t getFirstLastInfoSize(int32_t resBytes);
+EFuncDataRequired lastDynDataReq(void* pRes, STimeWindow* pTimeWindow);
 
 int32_t lastRowFunction(SqlFunctionCtx *pCtx);
 
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 01a5e7997e..8b87a85a8d 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -2312,6 +2312,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .type = FUNCTION_TYPE_LAST,
     .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
     .translateFunc = translateFirstLast,
+    .dynDataRequiredFunc = lastDynDataReq,
     .getEnvFunc   = getFirstLastFuncEnv,
     .initFunc     = functionSetup,
     .processFunc  = lastFunction,
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index fb82ab206c..5569cc3887 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -2702,6 +2702,22 @@ int32_t apercentileCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx)
   return TSDB_CODE_SUCCESS;
 }
 
+EFuncDataRequired lastDynDataReq(void* pRes, STimeWindow* pTimeWindow) {
+  SResultRowEntryInfo* pEntry = (SResultRowEntryInfo*) pRes;
+
+  // not initialized yet, data is required
+  if (pEntry == NULL) {
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
+  }
+
+  SFirstLastRes* pResult = GET_ROWCELL_INTERBUF(pEntry);
+  if (pResult->hasResult && pResult->ts >= pTimeWindow->ekey) {
+    return FUNC_DATA_REQUIRED_NOT_LOAD;
+  } else {
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
+  }
+}
+
 int32_t getFirstLastInfoSize(int32_t resBytes) { return sizeof(SFirstLastRes) + resBytes; }
 
 bool getFirstLastFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
diff --git a/source/libs/function/src/functionMgt.c b/source/libs/function/src/functionMgt.c
index 020fd648e1..cdf089385e 100644
--- a/source/libs/function/src/functionMgt.c
+++ b/source/libs/function/src/functionMgt.c
@@ -107,7 +107,12 @@ EFuncDataRequired fmFuncDynDataRequired(int32_t funcId, void* pRes, STimeWindow*
   if (fmIsUserDefinedFunc(funcId) || funcId < 0 || funcId >= funcMgtBuiltinsNum) {
     return TSDB_CODE_FAILED;
   }
-  return funcMgtBuiltins[funcId].dynDataRequiredFunc(pRes, pTimeWindow);
+
+  if (funcMgtBuiltins[funcId].dynDataRequiredFunc == NULL) {
+    return FUNC_DATA_REQUIRED_DATA_LOAD;
+  } else {
+    return funcMgtBuiltins[funcId].dynDataRequiredFunc(pRes, pTimeWindow);
+  }
 }
 
 int32_t fmGetFuncExecFuncs(int32_t funcId, SFuncExecFuncs* pFpSet) {