Merge pull request #14261 from taosdata/feature/stream

enh(stream): refine tqRetrieveDataBlock api

source/client/src/clientImpl.c

@@ -617,12 +617,12 @@ int32_t scheduleAsyncQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNod
                            .requestId = pRequest->requestId,
                            .requestObjRefId = pRequest->self};
   SSchedulerReq    req = {.pConn = &conn,
-                       .pNodeList = pNodeList,
-                       .pDag = pDag,
-                       .sql = pRequest->sqlstr,
-                       .startTs = pRequest->metric.start,
-                       .fp = schdExecCallback,
-                       .cbParam = &res};
+                          .pNodeList = pNodeList,
+                          .pDag = pDag,
+                          .sql = pRequest->sqlstr,
+                          .startTs = pRequest->metric.start,
+                          .fp = schdExecCallback,
+                          .cbParam = &res};
 
   int32_t code = schedulerAsyncExecJob(&req, &pRequest->body.queryJob);
 
@@ -669,13 +669,13 @@ int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList
                            .requestId = pRequest->requestId,
                            .requestObjRefId = pRequest->self};
   SSchedulerReq    req = {.pConn = &conn,
-                       .pNodeList = pNodeList,
-                       .pDag = pDag,
-                       .sql = pRequest->sqlstr,
-                       .startTs = pRequest->metric.start,
-                       .fp = NULL,
-                       .cbParam = NULL,
-                       .reqKilled = &pRequest->killed};
+                          .pNodeList = pNodeList,
+                          .pDag = pDag,
+                          .sql = pRequest->sqlstr,
+                          .startTs = pRequest->metric.start,
+                          .fp = NULL,
+                          .cbParam = NULL,
+                          .reqKilled = &pRequest->killed};
 
   int32_t code = schedulerExecJob(&req, &pRequest->body.queryJob, &res);
   pRequest->body.resInfo.execRes = res.res;

source/client/src/clientMain.c

@@ -199,10 +199,7 @@ TAOS_FIELD *taos_fetch_fields(TAOS_RES *res) {
   return pResInfo->userFields;
 }
 
-
-TAOS_RES *taos_query(TAOS *taos, const char *sql) {
-  return taosQueryImpl(taos, sql, false);
-}
+TAOS_RES *taos_query(TAOS *taos, const char *sql) { return taosQueryImpl(taos, sql, false); }
 
 TAOS_ROW taos_fetch_row(TAOS_RES *res) {
   if (res == NULL) {
@@ -593,11 +590,11 @@ int *taos_get_column_data_offset(TAOS_RES *res, int columnIndex) {
   return pResInfo->pCol[columnIndex].offset;
 }
 
-int taos_validate_sql(TAOS *taos, const char *sql) { 
-  TAOS_RES* pObj = taosQueryImpl(taos, sql, true);
+int taos_validate_sql(TAOS *taos, const char *sql) {
+  TAOS_RES *pObj = taosQueryImpl(taos, sql, true);
 
   int code = taos_errno(pObj);
-  
+
   taos_free_result(pObj);
   return code;
 }
@@ -884,10 +881,10 @@ void taos_unsubscribe(TAOS_SUB *tsub, int keepProgress) {
 
 int taos_load_table_info(TAOS *taos, const char *tableNameList) {
   const int32_t MAX_TABLE_NAME_LENGTH = 12 * 1024 * 1024;  // 12MB list
-  int32_t code = 0;
-  SRequestObj *pRequest = NULL;
-  SCatalogReq catalogReq = {0};
-  
+  int32_t       code = 0;
+  SRequestObj  *pRequest = NULL;
+  SCatalogReq   catalogReq = {0};
+
   if (NULL == tableNameList) {
     return TSDB_CODE_SUCCESS;
   }
@@ -911,26 +908,25 @@ int taos_load_table_info(TAOS *taos, const char *tableNameList) {
     goto _return;
   }
 
-  SCatalog* pCtg = NULL;
+  SCatalog *pCtg = NULL;
   code = catalogGetHandle(pTscObj->pAppInfo->clusterId, &pCtg);
   if (code != TSDB_CODE_SUCCESS) {
     goto _return;
   }
 
-  char* sql = "taos_load_table_info";
+  char *sql = "taos_load_table_info";
   code = buildRequest(pTscObj, sql, strlen(sql), &pRequest);
   if (code != TSDB_CODE_SUCCESS) {
     terrno = code;
     goto _return;
   }
-  
+
   SSyncQueryParam param = {0};
   tsem_init(&param.sem, 0, 0);
   param.pRequest = pRequest;
 
-  SRequestConnInfo conn = {.pTrans = pTscObj->pAppInfo->pTransporter,
-                           .requestId = pRequest->requestId,
-                           .requestObjRefId = pRequest->self};
+  SRequestConnInfo conn = {
+      .pTrans = pTscObj->pAppInfo->pTransporter, .requestId = pRequest->requestId, .requestObjRefId = pRequest->self};
 
   conn.mgmtEps = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
 
@@ -951,7 +947,6 @@ _return:
   return code;
 }
 
-
 TAOS_STMT *taos_stmt_init(TAOS *taos) {
   STscObj *pObj = acquireTscObj(*(int64_t *)taos);
   if (NULL == pObj) {

source/common/src/tdatablock.c

@@ -1164,7 +1164,7 @@ int32_t colInfoDataEnsureCapacity(SColumnInfoData* pColumn, uint32_t numOfRows)
 
 int32_t blockDataEnsureCapacity(SSDataBlock* pDataBlock, uint32_t numOfRows) {
   int32_t code = 0;
-  //ASSERT(numOfRows > 0);
+  // ASSERT(numOfRows > 0);
 
   if (numOfRows == 0) {
     return TSDB_CODE_SUCCESS;
@@ -1657,12 +1657,13 @@ void blockDebugShowData(const SArray* dataBlocks, const char* flag) {
 char* dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf) {
   int32_t size = 2048;
   *pDataBuf = taosMemoryCalloc(size, 1);
-  char* dumpBuf = *pDataBuf;
-  char pBuf[128] = {0};
+  char*   dumpBuf = *pDataBuf;
+  char    pBuf[128] = {0};
   int32_t colNum = taosArrayGetSize(pDataBlock->pDataBlock);
   int32_t rows = pDataBlock->info.rows;
   int32_t len = 0;
-  len += snprintf(dumpBuf + len, size - len, "\n%s |block type %d |child id %d|\n", flag, (int32_t)pDataBlock->info.type, pDataBlock->info.childId);
+  len += snprintf(dumpBuf + len, size - len, "\n%s |block type %d |child id %d|\n", flag,
+                  (int32_t)pDataBlock->info.type, pDataBlock->info.childId);
   for (int32_t j = 0; j < rows; j++) {
     len += snprintf(dumpBuf + len, size - len, "%s |", flag);
     for (int32_t k = 0; k < colNum; k++) {

source/dnode/vnode/inc/vnode.h

@@ -116,18 +116,18 @@ typedef void *tsdbReaderT;
 #define BLOCK_LOAD_TABLE_SEQ_ORDER  2
 #define BLOCK_LOAD_TABLE_RR_ORDER   3
 
-int32_t      tsdbSetTableList(tsdbReaderT reader, SArray* tableList);
-tsdbReaderT  tsdbReaderOpen(SVnode *pVnode, SQueryTableDataCond *pCond, SArray *tableList, uint64_t qId,
-                            uint64_t taskId);
-tsdbReaderT  tsdbQueryCacheLast(SVnode *pVnode, SQueryTableDataCond *pCond, STableListInfo *groupList, uint64_t qId,
-                                void *pMemRef);
-int32_t      tsdbGetFileBlocksDistInfo(tsdbReaderT *pReader, STableBlockDistInfo *pTableBlockInfo);
-bool         isTsdbCacheLastRow(tsdbReaderT *pReader);
-int32_t      tsdbGetAllTableList(SMeta *pMeta, uint64_t uid, SArray *list);
-int32_t      tsdbGetCtbIdList(SMeta *pMeta, int64_t suid, SArray *list);
-void        *tsdbGetIdx(SMeta *pMeta);
-void        *tsdbGetIvtIdx(SMeta *pMeta);
-int64_t      tsdbGetNumOfRowsInMemTable(tsdbReaderT *pHandle);
+int32_t     tsdbSetTableList(tsdbReaderT reader, SArray *tableList);
+tsdbReaderT tsdbReaderOpen(SVnode *pVnode, SQueryTableDataCond *pCond, SArray *tableList, uint64_t qId,
+                           uint64_t taskId);
+tsdbReaderT tsdbQueryCacheLast(SVnode *pVnode, SQueryTableDataCond *pCond, STableListInfo *groupList, uint64_t qId,
+                               void *pMemRef);
+int32_t     tsdbGetFileBlocksDistInfo(tsdbReaderT *pReader, STableBlockDistInfo *pTableBlockInfo);
+bool        isTsdbCacheLastRow(tsdbReaderT *pReader);
+int32_t     tsdbGetAllTableList(SMeta *pMeta, uint64_t uid, SArray *list);
+int32_t     tsdbGetCtbIdList(SMeta *pMeta, int64_t suid, SArray *list);
+void       *tsdbGetIdx(SMeta *pMeta);
+void       *tsdbGetIvtIdx(SMeta *pMeta);
+int64_t     tsdbGetNumOfRowsInMemTable(tsdbReaderT *pHandle);
 
 bool    tsdbNextDataBlock(tsdbReaderT pTsdbReadHandle);
 void    tsdbRetrieveDataBlockInfo(tsdbReaderT *pTsdbReadHandle, SDataBlockInfo *pBlockInfo);
@@ -150,8 +150,7 @@ int32_t tqReadHandleRemoveTbUidList(STqReadHandle *pHandle, const SArray *tbUidL
 int32_t tqReadHandleSetMsg(STqReadHandle *pHandle, SSubmitReq *pMsg, int64_t ver);
 bool    tqNextDataBlock(STqReadHandle *pHandle);
 bool    tqNextDataBlockFilterOut(STqReadHandle *pHandle, SHashObj *filterOutUids);
-int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReadHandle *pHandle, uint64_t *pGroupId, uint64_t *pUid,
-                            int32_t *pNumOfRows);
+int32_t tqRetrieveDataBlock(SSDataBlock *pBlock, STqReadHandle *pHandle);
 
 // sma
 int32_t smaGetTSmaDays(SVnodeCfg *pCfg, void *pCont, uint32_t contLen, int32_t *days);

source/dnode/vnode/src/tq/tqExec.c

@@ -112,7 +112,7 @@ int32_t tqDataExec(STQ* pTq, STqExecHandle* pExec, SSubmitReq* pReq, SMqDataBlkR
     tqReadHandleSetMsg(pReader, pReq, 0);
     while (tqNextDataBlock(pReader)) {
       SSDataBlock block = {0};
-      if (tqRetrieveDataBlock(&block, pReader, &block.info.groupId, &block.info.uid, &block.info.rows) < 0) {
+      if (tqRetrieveDataBlock(&block, pReader) < 0) {
         if (terrno == TSDB_CODE_TQ_TABLE_SCHEMA_NOT_FOUND) continue;
         ASSERT(0);
       }
@@ -129,7 +129,7 @@ int32_t tqDataExec(STQ* pTq, STqExecHandle* pExec, SSubmitReq* pReq, SMqDataBlkR
     tqReadHandleSetMsg(pReader, pReq, 0);
     while (tqNextDataBlockFilterOut(pReader, pExec->execDb.pFilterOutTbUid)) {
       SSDataBlock block = {0};
-      if (tqRetrieveDataBlock(&block, pReader, &block.info.groupId, &block.info.uid, &block.info.rows) < 0) {
+      if (tqRetrieveDataBlock(&block, pReader) < 0) {
         if (terrno == TSDB_CODE_TQ_TABLE_SCHEMA_NOT_FOUND) continue;
         ASSERT(0);
       }

source/dnode/vnode/src/tq/tqRead.c

@@ -146,10 +146,7 @@ bool tqNextDataBlockFilterOut(STqReadHandle* pHandle, SHashObj* filterOutUids) {
   return false;
 }
 
-int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReadHandle* pHandle, uint64_t* pGroupId, uint64_t* pUid,
-                            int32_t* pNumOfRows) {
-  *pUid = 0;
-
+int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReadHandle* pHandle) {
   // TODO: cache multiple schema
   int32_t sversion = htonl(pHandle->pBlock->sversion);
   if (pHandle->cachedSchemaSuid == 0 || pHandle->cachedSchemaVer != sversion ||
@@ -180,7 +177,6 @@ int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReadHandle* pHandle, uint64_
   STSchema*       pTschema = pHandle->pSchema;
   SSchemaWrapper* pSchemaWrapper = pHandle->pSchemaWrapper;
 
-  *pNumOfRows = pHandle->msgIter.numOfRows;
   int32_t colNumNeed = taosArrayGetSize(pHandle->pColIdList);
 
   if (colNumNeed == 0) {
@@ -221,22 +217,22 @@ int32_t tqRetrieveDataBlock(SSDataBlock* pBlock, STqReadHandle* pHandle, uint64_
     }
   }
 
-  if (blockDataEnsureCapacity(pBlock, *pNumOfRows) < 0) {
+  if (blockDataEnsureCapacity(pBlock, pHandle->msgIter.numOfRows) < 0) {
     goto FAIL;
   }
 
   int32_t colActual = blockDataGetNumOfCols(pBlock);
 
-  // TODO in stream shuffle case, fetch groupId
-  *pGroupId = 0;
-
   STSRowIter iter = {0};
   tdSTSRowIterInit(&iter, pTschema);
   STSRow* row;
   int32_t curRow = 0;
 
   tInitSubmitBlkIter(&pHandle->msgIter, pHandle->pBlock, &pHandle->blkIter);
-  *pUid = pHandle->msgIter.uid;  // set the uid of table for submit block
+
+  pBlock->info.groupId = 0;
+  pBlock->info.uid = pHandle->msgIter.uid;  // set the uid of table for submit block
+  pBlock->info.rows = pHandle->msgIter.numOfRows;
 
   while ((row = tGetSubmitBlkNext(&pHandle->blkIter)) != NULL) {
     tdSTSRowIterReset(&iter, row);

source/libs/executor/src/scanoperator.c

@@ -507,20 +507,21 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
   STableScanInfo* pInfo = pOperator->info;
   SExecTaskInfo*  pTaskInfo = pOperator->pTaskInfo;
 
-  if(pInfo->currentGroupId == -1){
+  if (pInfo->currentGroupId == -1) {
     pInfo->currentGroupId++;
     if (pInfo->currentGroupId >= taosArrayGetSize(pTaskInfo->tableqinfoList.pGroupList)) {
       setTaskStatus(pTaskInfo, TASK_COMPLETED);
       return NULL;
     }
-    SArray *tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
+    SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
     tsdbCleanupReadHandle(pInfo->dataReader);
-    tsdbReaderT* pReader = tsdbReaderOpen(pInfo->readHandle.vnode, &pInfo->cond, tableList, pInfo->queryId, pInfo->taskId);
+    tsdbReaderT* pReader =
+        tsdbReaderOpen(pInfo->readHandle.vnode, &pInfo->cond, tableList, pInfo->queryId, pInfo->taskId);
     pInfo->dataReader = pReader;
   }
 
   SSDataBlock* result = doTableScanGroup(pOperator);
-  if(result){
+  if (result) {
     return result;
   }
 
@@ -530,7 +531,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
     return NULL;
   }
 
-  SArray *tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
+  SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
   tsdbSetTableList(pInfo->dataReader, tableList);
 
   tsdbResetReadHandle(pInfo->dataReader, &pInfo->cond, 0);
@@ -538,7 +539,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
   pInfo->scanTimes = 0;
 
   result = doTableScanGroup(pOperator);
-  if(result){
+  if (result) {
     return result;
   }
 
@@ -777,9 +778,9 @@ static bool isStateWindow(SStreamBlockScanInfo* pInfo) {
 }
 
 static bool prepareDataScan(SStreamBlockScanInfo* pInfo, SSDataBlock* pSDB, int32_t tsColIndex, int32_t* pRowIndex) {
-  STimeWindow  win = {
-       .skey = INT64_MIN,
-       .ekey = INT64_MAX,
+  STimeWindow win = {
+      .skey = INT64_MIN,
+      .ekey = INT64_MAX,
   };
   bool needRead = false;
   if (!isStateWindow(pInfo) && (*pRowIndex) < pSDB->info.rows) {
@@ -794,13 +795,12 @@ static bool prepareDataScan(SStreamBlockScanInfo* pInfo, SSDataBlock* pSDB, int3
       SResultWindowInfo*   pCurWin =
           getSessionTimeWindow(pAggSup, tsCols[(*pRowIndex)], INT64_MIN, pSDB->info.groupId, gap, &winIndex);
       win = pCurWin->win;
-      (*pRowIndex) +=
-          updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, (*pRowIndex), gap, NULL);
+      (*pRowIndex) += updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, (*pRowIndex), gap, NULL);
     } else {
-      win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[(*pRowIndex)], &pInfo->interval,
-                                pInfo->interval.precision, NULL);
-      (*pRowIndex) += getNumOfRowsInTimeWindow(&pSDB->info, tsCols, (*pRowIndex), win.ekey,
-                                                        binarySearchForKey, NULL, TSDB_ORDER_ASC);
+      win =
+          getActiveTimeWindow(NULL, &dumyInfo, tsCols[(*pRowIndex)], &pInfo->interval, pInfo->interval.precision, NULL);
+      (*pRowIndex) += getNumOfRowsInTimeWindow(&pSDB->info, tsCols, (*pRowIndex), win.ekey, binarySearchForKey, NULL,
+                                               TSDB_ORDER_ASC);
     }
     needRead = true;
   } else if (isStateWindow(pInfo)) {
@@ -821,7 +821,7 @@ static bool prepareDataScan(SStreamBlockScanInfo* pInfo, SSDataBlock* pSDB, int3
   STableScanInfo* pTableScanInfo = pInfo->pSnapshotReadOp->info;
   pTableScanInfo->cond.twindows[0] = win;
   pTableScanInfo->curTWinIdx = 0;
-//  tsdbResetReadHandle(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
+  //  tsdbResetReadHandle(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
   // if (!pTableScanInfo->dataReader) {
   //   return false;
   // }
@@ -1033,12 +1033,13 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
 
     while (tqNextDataBlock(pInfo->streamBlockReader)) {
       SSDataBlock block = {0};
-      uint64_t    groupId = 0;
-      uint64_t    uid = 0;
-      int32_t     numOfRows = 0;
 
       // todo refactor
-      int32_t code = tqRetrieveDataBlock(&block, pInfo->streamBlockReader, &groupId, &uid, &numOfRows);
+      int32_t code = tqRetrieveDataBlock(&block, pInfo->streamBlockReader);
+
+      uint64_t groupId = block.info.groupId;
+      uint64_t uid = block.info.uid;
+      int32_t  numOfRows = block.info.rows;
 
       if (code != TSDB_CODE_SUCCESS || numOfRows == 0) {
         pTaskInfo->code = code;
@@ -1154,9 +1155,9 @@ static SArray* extractTableIdList(const STableListInfo* pTableGroupInfo) {
   return tableIdList;
 }
 
-SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle,
-                                            STableScanPhysiNode* pTableScanNode, SExecTaskInfo* pTaskInfo,
-                                            STimeWindowAggSupp* pTwSup, uint64_t queryId, uint64_t taskId) {
+SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhysiNode* pTableScanNode,
+                                            SExecTaskInfo* pTaskInfo, STimeWindowAggSupp* pTwSup, uint64_t queryId,
+                                            uint64_t taskId) {
   SStreamBlockScanInfo* pInfo = taosMemoryCalloc(1, sizeof(SStreamBlockScanInfo));
   SOperatorInfo*        pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
 
@@ -1743,14 +1744,14 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSystemTableScan
   SSDataBlock*        pResBlock = createResDataBlock(pDescNode);
 
   int32_t num = 0;
-  SArray* colList    = extractColMatchInfo(pScanNode->pScanCols, pDescNode, &num, COL_MATCH_FROM_COL_ID);
+  SArray* colList = extractColMatchInfo(pScanNode->pScanCols, pDescNode, &num, COL_MATCH_FROM_COL_ID);
 
-  pInfo->accountId   = pScanPhyNode->accountId;
-  pInfo->pUser       = taosMemoryStrDup((void*) pUser);
+  pInfo->accountId = pScanPhyNode->accountId;
+  pInfo->pUser = taosMemoryStrDup((void*)pUser);
   pInfo->showRewrite = pScanPhyNode->showRewrite;
-  pInfo->pRes        = pResBlock;
-  pInfo->pCondition  = pScanNode->node.pConditions;
-  pInfo->scanCols    = colList;
+  pInfo->pRes = pResBlock;
+  pInfo->pCondition = pScanNode->node.pConditions;
+  pInfo->scanCols = colList;
 
   initResultSizeInfo(pOperator, 4096);
 
@@ -1766,13 +1767,13 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSystemTableScan
     pInfo->readHandle = *(SReadHandle*)readHandle;
   }
 
-  pOperator->name         = "SysTableScanOperator";
+  pOperator->name = "SysTableScanOperator";
   pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN;
-  pOperator->blocking     = false;
-  pOperator->status       = OP_NOT_OPENED;
-  pOperator->info         = pInfo;
+  pOperator->blocking = false;
+  pOperator->status = OP_NOT_OPENED;
+  pOperator->info = pInfo;
   pOperator->exprSupp.numOfExprs = taosArrayGetSize(pResBlock->pDataBlock);
-  pOperator->pTaskInfo    = pTaskInfo;
+  pOperator->pTaskInfo = pTaskInfo;
 
   pOperator->fpSet =
       createOperatorFpSet(operatorDummyOpenFn, doSysTableScan, NULL, NULL, destroySysScanOperator, NULL, NULL, NULL);
@@ -1959,11 +1960,11 @@ SOperatorInfo* createTagScanOperatorInfo(SReadHandle* pReadHandle, STagScanPhysi
     goto _error;
   }
 
-  pInfo->pTableList       = pTableListInfo;
-  pInfo->pColMatchInfo    = colList;
-  pInfo->pRes             = createResDataBlock(pDescNode);
-  pInfo->readHandle       = *pReadHandle;
-  pInfo->curPos           = 0;
+  pInfo->pTableList = pTableListInfo;
+  pInfo->pColMatchInfo = colList;
+  pInfo->pRes = createResDataBlock(pDescNode);
+  pInfo->readHandle = *pReadHandle;
+  pInfo->curPos = 0;
 
   pOperator->name = "TagScanOperator";
   pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN;
@@ -2034,7 +2035,7 @@ typedef struct STableMergeScanInfo {
   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.
+                       // window to check if current data block needs to be loaded.
 
   SSampleExecInfo sample;  // sample execution info
 } STableMergeScanInfo;