diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index f4e13509c20fd93d965b582c4d4df7e0c2d1bffd..2a40976a8b9a21e47ca49b0d62193f2c8fcff306 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -205,7 +205,7 @@ typedef struct SDataBlockInfo {
   STimeWindow calWin;     // used for stream, do not serialize
   TSKEY       watermark;  // used for stream
 
-  char    parTbName[TSDB_TABLE_NAME_LEN];  // used for stream partition
+  char parTbName[TSDB_TABLE_NAME_LEN];  // used for stream partition
 } SDataBlockInfo;
 
 typedef struct SSDataBlock {
@@ -291,7 +291,6 @@ typedef struct STableBlockDistInfo {
   uint16_t numOfFiles;
   uint32_t numOfTables;
   uint32_t numOfBlocks;
-  uint32_t numOfVgroups;
   uint64_t totalSize;
   uint64_t totalRows;
   int32_t  maxRows;
@@ -301,6 +300,7 @@ typedef struct STableBlockDistInfo {
   int32_t  firstSeekTimeUs;
   uint32_t numOfInmemRows;
   uint32_t numOfSmallBlocks;
+  uint32_t numOfVgroups;
   int32_t  blockRowsHisto[20];
 } STableBlockDistInfo;
 
@@ -341,7 +341,7 @@ typedef struct SExprInfo {
 
 typedef struct {
   const char* key;
-  size_t     keyLen;
+  size_t      keyLen;
   uint8_t     type;
   union {
     const char* value;
@@ -385,9 +385,9 @@ typedef struct STUidTagInfo {
 #define TABLE_NAME_COLUMN_INDEX         6
 
 // stream create table block column
-#define UD_TABLE_NAME_COLUMN_INDEX     0
-#define UD_GROUPID_COLUMN_INDEX        1
-#define UD_TAG_COLUMN_INDEX            2
+#define UD_TABLE_NAME_COLUMN_INDEX 0
+#define UD_GROUPID_COLUMN_INDEX    1
+#define UD_TAG_COLUMN_INDEX        2
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 027784e340aa755a3b215e0ae1db842560783bbb..99e3dddb2cb3ce303cf1f1e61be5b39567b137ec 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -488,7 +488,7 @@ static int32_t initFilesetIterator(SFilesetIter* pIter, SArray* aDFileSet, STsdb
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t filesetIteratorNext(SFilesetIter* pIter, STsdbReader* pReader, bool *hasNext) {
+static int32_t filesetIteratorNext(SFilesetIter* pIter, STsdbReader* pReader, bool* hasNext) {
   bool    asc = ASCENDING_TRAVERSE(pIter->order);
   int32_t step = asc ? 1 : -1;
   pIter->index += step;
@@ -2802,13 +2802,13 @@ static int32_t moveToNextFile(STsdbReader* pReader, SBlockNumber* pBlockNum) {
   SArray* pIndexList = taosArrayInit(numOfTables, sizeof(SBlockIdx));
 
   while (1) {
-    bool hasNext = false;
+    bool    hasNext = false;
     int32_t code = filesetIteratorNext(&pStatus->fileIter, pReader, &hasNext);
     if (code) {
       taosArrayDestroy(pIndexList);
       return code;
     }
-    
+
     if (!hasNext) {  // no data files on disk
       break;
     }
@@ -4688,6 +4688,11 @@ int32_t tsdbGetFileBlocksDistInfo(STsdbReader* pReader, STableBlockDistInfo* pTa
   pTableBlockInfo->numOfVgroups = 1;
 
   // find the start data block in file
+
+  tsdbAcquireReader(pReader);
+  if (pReader->suspended) {
+    tsdbReaderResume(pReader);
+  }
   SReaderStatus* pStatus = &pReader->status;
 
   STsdbCfg* pc = &pReader->pTsdb->pVnode->config.tsdbCfg;
@@ -4749,7 +4754,7 @@ int32_t tsdbGetFileBlocksDistInfo(STsdbReader* pReader, STableBlockDistInfo* pTa
     //    tsdbDebug("%p %d blocks found in file for %d table(s), fid:%d, %s", pReader, numOfBlocks, numOfTables,
     //              pReader->pFileGroup->fid, pReader->idStr);
   }
-
+  tsdbReleaseReader(pReader);
   return code;
 }
 
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 5f8c35a841f7a6cb6e6947dffd941b00195b29fa..0734ac3e45d7fe229544976a2ad6ebb182791503 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -775,13 +775,13 @@ int32_t maxFunction(SqlFunctionCtx* pCtx) {
 
 static int32_t setNullSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t rowIndex);
 static int32_t setSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, const STuplePos* pTuplePos,
-                                int32_t rowIndex);
+                                   int32_t rowIndex);
 
 int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
   int32_t code = TSDB_CODE_SUCCESS;
 
   SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
-  SMinmaxResInfo* pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
+  SMinmaxResInfo*      pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
 
   int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
   int32_t currentRow = pBlock->info.rows;
@@ -795,7 +795,7 @@ int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
       case TSDB_DATA_TYPE_UBIGINT:
       case TSDB_DATA_TYPE_BIGINT:
         ((int64_t*)pCol->pData)[currentRow] = pRes->v;
-//        colDataAppendInt64(pCol, currentRow, &pRes->v);
+        //        colDataAppendInt64(pCol, currentRow, &pRes->v);
         break;
       case TSDB_DATA_TYPE_UINT:
       case TSDB_DATA_TYPE_INT:
@@ -920,9 +920,7 @@ void appendSelectivityValue(SqlFunctionCtx* pCtx, int32_t rowIndex, int32_t pos)
   }
 }
 
-void replaceTupleData(STuplePos* pDestPos, STuplePos* pSourcePos) {
-  *pDestPos = *pSourcePos;
-}
+void replaceTupleData(STuplePos* pDestPos, STuplePos* pSourcePos) { *pDestPos = *pSourcePos; }
 
 int32_t minMaxCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx, int32_t isMinFunc) {
   SResultRowEntryInfo* pDResInfo = GET_RES_INFO(pDestCtx);
@@ -1686,7 +1684,7 @@ int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
   SPercentileInfo*     ppInfo = (SPercentileInfo*)GET_ROWCELL_INTERBUF(pResInfo);
 
   int32_t code = 0;
-  double     v = 0;
+  double  v = 0;
 
   tMemBucket* pMemBucket = ppInfo->pMemBucket;
   if (pMemBucket != NULL && pMemBucket->total > 0) {  // check for null
@@ -1714,7 +1712,7 @@ int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
 
       int32_t          slotId = pCtx->pExpr->base.resSchema.slotId;
       SColumnInfoData* pCol   = taosArrayGet(pBlock->pDataBlock, slotId);
-
+      
       varDataSetLen(buf, len);
       colDataAppend(pCol, pBlock->info.rows, buf, false);
 
@@ -1739,7 +1737,6 @@ _fin_error:
 
   tMemBucketDestroy(pMemBucket);
   return code;
-
 }
 
 bool getApercentileFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
@@ -2100,7 +2097,7 @@ static void prepareBuf(SqlFunctionCtx* pCtx) {
 }
 
 static int32_t firstlastSaveTupleData(const SSDataBlock* pSrcBlock, int32_t rowIndex, SqlFunctionCtx* pCtx,
-                                   SFirstLastRes* pInfo) {
+                                      SFirstLastRes* pInfo) {
   int32_t code = TSDB_CODE_SUCCESS;
 
   if (pCtx->subsidiaries.num <= 0) {
@@ -2153,7 +2150,8 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
   }
 
   // All null data column, return directly.
-  if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) && pInputCol->hasNull == true) {
+  if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) &&
+      pInputCol->hasNull == true) {
     // save selectivity value for column consisted of all null values
     int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, pInput->startRowIndex, pCtx, pInfo);
     if (code != TSDB_CODE_SUCCESS) {
@@ -2269,7 +2267,8 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
   }
 
   // All null data column, return directly.
-  if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) && pInputCol->hasNull == true) {
+  if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) &&
+      pInputCol->hasNull == true) {
     // save selectivity value for column consisted of all null values
     int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, pInput->startRowIndex, pCtx, pInfo);
     if (code != TSDB_CODE_SUCCESS) {
@@ -2363,7 +2362,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
       }
 
       if (pResInfo->numOfRes == 0 || pInfo->ts < cts) {
-        char* data = colDataGetData(pInputCol, chosen);
+        char*   data = colDataGetData(pInputCol, chosen);
         int32_t code = doSaveCurrentVal(pCtx, i, cts, type, data);
         if (code != TSDB_CODE_SUCCESS) {
           return code;
@@ -2374,7 +2373,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
 
     for (int32_t i = pInput->startRowIndex + round * 4; i < pInput->startRowIndex + pInput->numOfRows; ++i) {
       if (pResInfo->numOfRes == 0 || pInfo->ts < pts[i]) {
-        char* data = colDataGetData(pInputCol, i);
+        char*   data = colDataGetData(pInputCol, i);
         int32_t code = doSaveCurrentVal(pCtx, i, pts[i], type, data);
         if (code != TSDB_CODE_SUCCESS) {
           return code;
@@ -2391,7 +2390,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
       numOfElems++;
 
       if (pResInfo->numOfRes == 0 || pInfo->ts < pts[i]) {
-        char* data = colDataGetData(pInputCol, i);
+        char*   data = colDataGetData(pInputCol, i);
         int32_t code = doSaveCurrentVal(pCtx, i, pts[i], type, data);
         if (code != TSDB_CODE_SUCCESS) {
           return code;
@@ -2438,7 +2437,7 @@ static int32_t firstLastTransferInfoImpl(SFirstLastRes* pInput, SFirstLastRes* p
 }
 
 static int32_t firstLastTransferInfo(SqlFunctionCtx* pCtx, SFirstLastRes* pInput, SFirstLastRes* pOutput, bool isFirst,
-                                  int32_t rowIndex) {
+                                     int32_t rowIndex) {
   if (TSDB_CODE_SUCCESS == firstLastTransferInfoImpl(pInput, pOutput, isFirst)) {
     int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, rowIndex, pCtx, pOutput);
     if (code != TSDB_CODE_SUCCESS) {
@@ -2465,7 +2464,7 @@ static int32_t firstLastFunctionMergeImpl(SqlFunctionCtx* pCtx, bool isFirstQuer
   for (int32_t i = start; i < start + pInput->numOfRows; ++i) {
     char*          data = colDataGetData(pCol, i);
     SFirstLastRes* pInputInfo = (SFirstLastRes*)varDataVal(data);
-    int32_t code = firstLastTransferInfo(pCtx, pInputInfo, pInfo, isFirstQuery, i);
+    int32_t        code = firstLastTransferInfo(pCtx, pInputInfo, pInfo, isFirstQuery, i);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
     }
@@ -2697,7 +2696,7 @@ static int32_t doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
 }
 
 static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv, SColumnInfoData* pOutput, int32_t pos,
-                         int32_t order, int64_t ts) {
+                            int32_t order, int64_t ts) {
   int32_t factor = (order == TSDB_ORDER_ASC) ? 1 : -1;
   pDiffInfo->prevTs = ts;
   switch (type) {
@@ -2905,8 +2904,8 @@ static STopBotRes* getTopBotOutputInfo(SqlFunctionCtx* pCtx) {
   return pRes;
 }
 
-static int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock, uint16_t type,
-                               uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery);
+static int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock,
+                               uint16_t type, uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery);
 
 static void addResult(SqlFunctionCtx* pCtx, STopBotResItem* pSourceItem, int16_t type, bool isTopQuery);
 
@@ -2927,7 +2926,7 @@ int32_t topFunction(SqlFunctionCtx* pCtx) {
     }
 
     numOfElems++;
-    char* data = colDataGetData(pCol, i);
+    char*   data = colDataGetData(pCol, i);
     int32_t code = doAddIntoResult(pCtx, data, i, pCtx->pSrcBlock, pRes->type, pInput->uid, pResInfo, true);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
@@ -2961,7 +2960,7 @@ int32_t bottomFunction(SqlFunctionCtx* pCtx) {
     }
 
     numOfElems++;
-    char* data = colDataGetData(pCol, i);
+    char*   data = colDataGetData(pCol, i);
     int32_t code = doAddIntoResult(pCtx, data, i, pCtx->pSrcBlock, pRes->type, pInput->uid, pResInfo, false);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
@@ -3013,7 +3012,7 @@ static int32_t topBotResComparFn(const void* p1, const void* p2, const void* par
 }
 
 int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock, uint16_t type,
-                     uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery) {
+                        uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery) {
   STopBotRes* pRes = getTopBotOutputInfo(pCtx);
 
   SVariant val = {0};
@@ -3204,7 +3203,7 @@ static char* doLoadTupleData(SSerializeDataHandle* pHandle, const STuplePos* pPo
     if (pPage == NULL) {
       return NULL;
     }
-    char*      p = pPage->data + pPos->offset;
+    char* p = pPage->data + pPos->offset;
     releaseBufPage(pHandle->pBuf, pPage);
     return p;
   } else {
@@ -4665,7 +4664,7 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
       continue;
     }
 
-    char* data = colDataGetData(pInputCol, i);
+    char*   data = colDataGetData(pInputCol, i);
     int32_t code = doReservoirSample(pCtx, pInfo, data, i);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
@@ -4685,7 +4684,7 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
 }
 
 int32_t sampleFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
-  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t              code = TSDB_CODE_SUCCESS;
   SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
 
   SSampleInfo* pInfo = getSampleOutputInfo(pCtx);
@@ -5019,7 +5018,7 @@ int32_t modeFunction(SqlFunctionCtx* pCtx) {
     }
     numOfElems++;
 
-    char* data = colDataGetData(pInputCol, i);
+    char*   data = colDataGetData(pInputCol, i);
     int32_t code = doModeAdd(pInfo, i, pCtx, data);
     if (code != TSDB_CODE_SUCCESS) {
       return code;
@@ -5425,7 +5424,6 @@ int32_t blockDistFunction(SqlFunctionCtx* pCtx) {
   pDistInfo->numOfBlocks += p1.numOfBlocks;
   pDistInfo->numOfTables += p1.numOfTables;
   pDistInfo->numOfInmemRows += p1.numOfInmemRows;
-  pDistInfo->numOfVgroups += p1.numOfVgroups;
   pDistInfo->totalSize += p1.totalSize;
   pDistInfo->totalRows += p1.totalRows;
   pDistInfo->numOfFiles += p1.numOfFiles;
@@ -5442,6 +5440,7 @@ int32_t blockDistFunction(SqlFunctionCtx* pCtx) {
     pDistInfo->maxRows = p1.maxRows;
   }
 
+  pDistInfo->numOfVgroups += (p1.numOfTables != 0 ? 1 : 0);
   for (int32_t i = 0; i < tListLen(pDistInfo->blockRowsHisto); ++i) {
     pDistInfo->blockRowsHisto[i] += p1.blockRowsHisto[i];
   }
@@ -5460,7 +5459,6 @@ int32_t tSerializeBlockDistInfo(void* buf, int32_t bufLen, const STableBlockDist
   if (tEncodeU16(&encoder, pInfo->numOfFiles) < 0) return -1;
   if (tEncodeU32(&encoder, pInfo->numOfBlocks) < 0) return -1;
   if (tEncodeU32(&encoder, pInfo->numOfTables) < 0) return -1;
-  if (tEncodeU32(&encoder, pInfo->numOfVgroups) < 0) return -1;
 
   if (tEncodeU64(&encoder, pInfo->totalSize) < 0) return -1;
   if (tEncodeU64(&encoder, pInfo->totalRows) < 0) return -1;
@@ -5470,6 +5468,7 @@ int32_t tSerializeBlockDistInfo(void* buf, int32_t bufLen, const STableBlockDist
   if (tEncodeI32(&encoder, pInfo->defMinRows) < 0) return -1;
   if (tEncodeU32(&encoder, pInfo->numOfInmemRows) < 0) return -1;
   if (tEncodeU32(&encoder, pInfo->numOfSmallBlocks) < 0) return -1;
+  if (tEncodeU32(&encoder, pInfo->numOfVgroups) < 0) return -1;
 
   for (int32_t i = 0; i < tListLen(pInfo->blockRowsHisto); ++i) {
     if (tEncodeI32(&encoder, pInfo->blockRowsHisto[i]) < 0) return -1;
@@ -5492,7 +5491,6 @@ int32_t tDeserializeBlockDistInfo(void* buf, int32_t bufLen, STableBlockDistInfo
   if (tDecodeU16(&decoder, &pInfo->numOfFiles) < 0) return -1;
   if (tDecodeU32(&decoder, &pInfo->numOfBlocks) < 0) return -1;
   if (tDecodeU32(&decoder, &pInfo->numOfTables) < 0) return -1;
-  if (tDecodeU32(&decoder, &pInfo->numOfVgroups) < 0) return -1;
 
   if (tDecodeU64(&decoder, &pInfo->totalSize) < 0) return -1;
   if (tDecodeU64(&decoder, &pInfo->totalRows) < 0) return -1;
@@ -5502,6 +5500,7 @@ int32_t tDeserializeBlockDistInfo(void* buf, int32_t bufLen, STableBlockDistInfo
   if (tDecodeI32(&decoder, &pInfo->defMinRows) < 0) return -1;
   if (tDecodeU32(&decoder, &pInfo->numOfInmemRows) < 0) return -1;
   if (tDecodeU32(&decoder, &pInfo->numOfSmallBlocks) < 0) return -1;
+  if (tDecodeU32(&decoder, &pInfo->numOfVgroups) < 0) return -1;
 
   for (int32_t i = 0; i < tListLen(pInfo->blockRowsHisto); ++i) {
     if (tDecodeI32(&decoder, &pInfo->blockRowsHisto[i]) < 0) return -1;