diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 07fbf34793408bc11185378dc4333bdd77db28a3..a8e30bfd525638be4fb8d07fe865c0ef67b132d2 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -1,5 +1,4 @@
 
-#include "../../libs/scheduler/inc/schedulerInt.h"
 #include "clientInt.h"
 #include "clientLog.h"
 #include "parser.h"
diff --git a/source/dnode/vnode/inc/tsdb.h b/source/dnode/vnode/inc/tsdb.h
index 5f5acc1b05cf4ff5c40d234b0e4cee681ad28ed1..af81cd20467b63c16085b0ad102f0124dca88760 100644
--- a/source/dnode/vnode/inc/tsdb.h
+++ b/source/dnode/vnode/inc/tsdb.h
@@ -220,7 +220,7 @@ int32_t tsdbGetTableGroupFromIdList(STsdb *tsdb, SArray *pTableIdList, STableGro
  * clean up the query handle
  * @param queryHandle
  */
-void tsdbCleanupQueryHandle(tsdbReadHandleT queryHandle);
+void tsdbCleanupReadHandle(tsdbReadHandleT queryHandle);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/vnode/inc/vnode.h b/source/dnode/vnode/inc/vnode.h
index 6fd7a99f544da5329752acf043c6b2440ef2cbc6..e5ee7bcebe4f4c98ad35b33014d6da13540d39bf 100644
--- a/source/dnode/vnode/inc/vnode.h
+++ b/source/dnode/vnode/inc/vnode.h
@@ -208,8 +208,8 @@ static FORCE_INLINE void tqReadHandleSetColIdList(STqReadHandle* pReadHandle, SA
   pReadHandle->pColIdList = pColIdList;
 }
 
-static FORCE_INLINE void tqReadHandleSetTbUid(STqReadHandle* pHandle, uint64_t tbUid) {
-  pHandle->tbUid = tbUid;
+static FORCE_INLINE void tqReadHandleSetTbUid(STqReadHandle* pHandle, const SArray* pTableIdList) {
+//  pHandle->tbUid = pTableIdList;
 }
 
 static FORCE_INLINE int tqReadHandleSetTbUidList(STqReadHandle* pHandle, SArray* tbUidList) {
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 1bca7aea1028f115c1f4752e5387c16e719cf417..964848f0184603bdfe5bcc90f801670d8ab0eed7 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -427,7 +427,7 @@ static STsdbReadHandle* tsdbQueryTablesImpl(STsdb* tsdb, STsdbQueryCond* pCond,
   return (tsdbReadHandleT)pReadHandle;
 
   _end:
-  tsdbCleanupQueryHandle(pReadHandle);
+  tsdbCleanupReadHandle(pReadHandle);
   terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
   return NULL;
 }
@@ -445,7 +445,7 @@ tsdbReadHandleT* tsdbQueryTables(STsdb* tsdb, STsdbQueryCond* pCond, STableGroup
   // todo apply the lastkey of table check to avoid to load header file
   pTsdbReadHandle->pTableCheckInfo = createCheckInfoFromTableGroup(pTsdbReadHandle, groupList);
   if (pTsdbReadHandle->pTableCheckInfo == NULL) {
-//    tsdbCleanupQueryHandle(pTsdbReadHandle);
+//    tsdbCleanupReadHandle(pTsdbReadHandle);
     terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
     return NULL;
   }
@@ -525,7 +525,7 @@ void tsdbResetQueryHandleForNewTable(tsdbReadHandleT queryHandle, STsdbQueryCond
 
   pTsdbReadHandle->pTableCheckInfo = NULL;//createCheckInfoFromTableGroup(pTsdbReadHandle, groupList, pMeta, &pTable);
   if (pTsdbReadHandle->pTableCheckInfo == NULL) {
-//    tsdbCleanupQueryHandle(pTsdbReadHandle);
+//    tsdbCleanupReadHandle(pTsdbReadHandle);
     terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
   }
 
@@ -3051,7 +3051,7 @@ bool tsdbNextDataBlock(tsdbReadHandleT pHandle) {
 //  }
 //
 //out_of_memory:
-//  tsdbCleanupQueryHandle(pSecQueryHandle);
+//  tsdbCleanupReadHandle(pSecQueryHandle);
 //  return terrno;
 //}
 
@@ -3722,26 +3722,19 @@ int32_t tsdbQuerySTableByTagCond(STsdb* tsdb, uint64_t uid, TSKEY skey, const ch
   return terrno;
 }
 
-#if 0
 int32_t tsdbGetOneTableGroup(STsdb* tsdb, uint64_t uid, TSKEY startKey, STableGroupInfo* pGroupInfo) {
-  if (tsdbRLockRepoMeta(tsdb) < 0) goto _error;
-
-  STable* pTable = tsdbGetTableByUid(tsdbGetMeta(tsdb), uid);
-  if (pTable == NULL) {
+  STbCfg* pTbCfg = metaGetTbInfoByUid(tsdb->pMeta, uid);
+  if (pTbCfg == NULL) {
     terrno = TSDB_CODE_TDB_INVALID_TABLE_ID;
-    tsdbUnlockRepoMeta(tsdb);
     goto _error;
   }
 
-  assert(pTable->type == TSDB_CHILD_TABLE || pTable->type == TSDB_NORMAL_TABLE || pTable->type == TSDB_STREAM_TABLE);
-  if (tsdbUnlockRepoMeta(tsdb) < 0) goto _error;
-
   pGroupInfo->numOfTables = 1;
   pGroupInfo->pGroupList = taosArrayInit(1, POINTER_BYTES);
 
   SArray* group = taosArrayInit(1, sizeof(STableKeyInfo));
 
-  STableKeyInfo info = {.pTable = pTable, .lastKey = startKey};
+  STableKeyInfo info = {.lastKey = startKey, .uid = uid};
   taosArrayPush(group, &info);
 
   taosArrayPush(pGroupInfo->pGroupList, &group);
@@ -3751,6 +3744,7 @@ int32_t tsdbGetOneTableGroup(STsdb* tsdb, uint64_t uid, TSKEY startKey, STableGr
   return terrno;
 }
 
+#if 0
 int32_t tsdbGetTableGroupFromIdList(STsdb* tsdb, SArray* pTableIdList, STableGroupInfo* pGroupInfo) {
   if (tsdbRLockRepoMeta(tsdb) < 0) {
     return terrno;
@@ -3826,7 +3820,7 @@ static void* destroyTableCheckInfo(SArray* pTableCheckInfo) {
 }
 
 
-void tsdbCleanupQueryHandle(tsdbReadHandleT queryHandle) {
+void tsdbCleanupReadHandle(tsdbReadHandleT queryHandle) {
   STsdbReadHandle* pTsdbReadHandle = (STsdbReadHandle*)queryHandle;
   if (pTsdbReadHandle == NULL) {
     return;
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 6efd7ef87e0ef1d8d67528c8a451b0d142b3478e..a45b9d1fb41c98fde9ea29de0311e3a270306c53 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -2371,7 +2371,7 @@ _clean:
 static void doFreeQueryHandle(STaskRuntimeEnv* pRuntimeEnv) {
   STaskAttr* pQueryAttr = pRuntimeEnv->pQueryAttr;
 
-//  tsdbCleanupQueryHandle(pRuntimeEnv->pTsdbReadHandle);
+//  tsdbCleanupReadHandle(pRuntimeEnv->pTsdbReadHandle);
   pRuntimeEnv->pTsdbReadHandle = NULL;
 
 //  SMemRef* pMemRef = &pQueryAttr->memRef;
@@ -5454,7 +5454,7 @@ SOperatorInfo* createTableBlockInfoScanOperator(void* pTsdbReadHandle, STaskRunt
   return pOperator;
 }
 
-SOperatorInfo* createStreamScanOperatorInfo(void *streamReadHandle, SArray* pExprInfo, uint64_t uid, SExecTaskInfo* pTaskInfo) {
+SOperatorInfo* createStreamScanOperatorInfo(void *streamReadHandle, SArray* pExprInfo, SArray* pTableIdList, SExecTaskInfo* pTaskInfo) {
   SStreamBlockScanInfo* pInfo = calloc(1, sizeof(SStreamBlockScanInfo));
   SOperatorInfo* pOperator = calloc(1, sizeof(SOperatorInfo));
   if (pInfo == NULL || pOperator == NULL) {
@@ -5477,7 +5477,7 @@ SOperatorInfo* createStreamScanOperatorInfo(void *streamReadHandle, SArray* pExp
   
   // set the extract column id to streamHandle
   tqReadHandleSetColIdList((STqReadHandle* )streamReadHandle, pColList);
-  tqReadHandleSetTbUid(streamReadHandle, uid);
+  tqReadHandleSetTbUid(streamReadHandle, pTableIdList);
 
   pInfo->readerHandle = streamReadHandle;
 
@@ -7750,20 +7750,21 @@ static SExecTaskInfo* createExecTaskInfo(uint64_t queryId, uint64_t taskId) {
 }
 
 static tsdbReadHandleT doCreateDataReadHandle(STableScanPhyNode* pTableScanNode, void* readerHandle, uint64_t queryId, uint64_t taskId);
+static int32_t doCreateTableGroup(void* readerHandle, int32_t tableType, uint64_t tableUid, STableGroupInfo* pGroupInfo, uint64_t queryId, uint64_t taskId);
 
 SOperatorInfo* doCreateOperatorTreeNode(SPhyNode* pPhyNode, SExecTaskInfo* pTaskInfo, void* readerHandle, uint64_t queryId, uint64_t taskId) {
   if (pPhyNode->pChildren == NULL || taosArrayGetSize(pPhyNode->pChildren) == 0) {
     if (pPhyNode->info.type == OP_TableScan) {
 
-      SScanPhyNode*  pScanPhyNode = (SScanPhyNode*)pPhyNode;
-      size_t         numOfCols = taosArrayGetSize(pPhyNode->pTargets);
+      SScanPhyNode* pScanPhyNode = (SScanPhyNode*)pPhyNode;
+      size_t        numOfCols = taosArrayGetSize(pPhyNode->pTargets);
 
       tsdbReadHandleT tReaderHandle = doCreateDataReadHandle((STableScanPhyNode*) pPhyNode, readerHandle, (uint64_t) queryId, taskId);
 
       return createTableScanOperatorInfo(tReaderHandle, pScanPhyNode->order, numOfCols, pScanPhyNode->count, pTaskInfo);
     } else if (pPhyNode->info.type == OP_DataBlocksOptScan) {
-      SScanPhyNode*  pScanPhyNode = (SScanPhyNode*)pPhyNode;
-      size_t         numOfCols = taosArrayGetSize(pPhyNode->pTargets);
+      SScanPhyNode* pScanPhyNode = (SScanPhyNode*)pPhyNode;
+      size_t        numOfCols = taosArrayGetSize(pPhyNode->pTargets);
 
       tsdbReadHandleT tReaderHandle = doCreateDataReadHandle((STableScanPhyNode*) pPhyNode, readerHandle, (uint64_t) queryId, taskId);
 
@@ -7772,8 +7773,13 @@ SOperatorInfo* doCreateOperatorTreeNode(SPhyNode* pPhyNode, SExecTaskInfo* pTask
       SExchangePhyNode* pEx = (SExchangePhyNode*) pPhyNode;
       return createExchangeOperatorInfo(pEx->pSrcEndPoints, pEx->node.pTargets, pTaskInfo);
     } else if (pPhyNode->info.type == OP_StreamScan) {
-      SScanPhyNode*  pScanPhyNode = (SScanPhyNode*)pPhyNode;   // simple child table.
-      return createStreamScanOperatorInfo(readerHandle, pPhyNode->pTargets, pScanPhyNode->uid, pTaskInfo);
+      SScanPhyNode* pScanPhyNode = (SScanPhyNode*)pPhyNode;   // simple child table.
+      STableGroupInfo groupInfo = {0};
+      int32_t code = doCreateTableGroup(readerHandle, pScanPhyNode->tableType, pScanPhyNode->uid, &groupInfo, queryId, taskId);
+
+      SArray* pa = taosArrayGetP(groupInfo.pGroupList, 0);
+      ASSERT(taosArrayGetSize(groupInfo.pGroupList) == 1);
+      return createStreamScanOperatorInfo(readerHandle, pPhyNode->pTargets, pa, pTaskInfo);
     }
   }
 
@@ -7811,29 +7817,24 @@ static tsdbReadHandleT createDataReadHandle(STableScanPhyNode* pTableScanNode, S
   return tsdbQueryTables(readerHandle, &cond, pGroupInfo, queryId, taskId);
 }
 
-static tsdbReadHandleT doCreateDataReadHandle(STableScanPhyNode* pTableScanNode, void* readerHandle, uint64_t queryId, uint64_t taskId) {
-  int32_t         code = 0;
-  STableGroupInfo groupInfo = {0};
-
-  uint64_t uid = pTableScanNode->scan.uid;
-  STimeWindow window = pTableScanNode->window;
-  int32_t tableType = pTableScanNode->scan.tableType;
-
+static int32_t doCreateTableGroup(void* readerHandle, int32_t tableType, uint64_t tableUid, STableGroupInfo* pGroupInfo, uint64_t queryId, uint64_t taskId) {
+  int32_t code = 0;
   if (tableType == TSDB_SUPER_TABLE) {
-    code =
-        tsdbQuerySTableByTagCond(readerHandle, uid, window.skey, NULL, 0, 0, NULL, &groupInfo, NULL, 0, queryId, taskId);
-    if (code != TSDB_CODE_SUCCESS) {
-      goto _error;
-    }
+    code = tsdbQuerySTableByTagCond(readerHandle, tableUid, 0, NULL, 0, 0, NULL, pGroupInfo, NULL, 0, queryId, taskId);
   } else {  // Create one table group.
-    groupInfo.numOfTables = 1;
-    groupInfo.pGroupList = taosArrayInit(1, POINTER_BYTES);
+    code = tsdbGetOneTableGroup(readerHandle, tableUid, 0, pGroupInfo);
+  }
 
-    SArray* pa = taosArrayInit(1, sizeof(STableKeyInfo));
+  return code;
+}
 
-    STableKeyInfo info = {.lastKey = 0, .uid = uid};
-    taosArrayPush(pa, &info);
-    taosArrayPush(groupInfo.pGroupList, &pa);
+static tsdbReadHandleT doCreateDataReadHandle(STableScanPhyNode* pTableScanNode, void* readerHandle, uint64_t queryId, uint64_t taskId) {
+  STableGroupInfo groupInfo = {0};
+
+  uint64_t uid = pTableScanNode->scan.uid;
+  int32_t code = doCreateTableGroup(readerHandle, pTableScanNode->scan.tableType, uid, &groupInfo, queryId, taskId);
+  if (code != TSDB_CODE_SUCCESS) {
+    goto _error;
   }
 
   if (groupInfo.numOfTables == 0) {