merge 3.0

include/common/tcommon.h

@@ -155,8 +155,8 @@ typedef struct SQueryTableDataCond {
   int32_t      numOfCols;
   SColumnInfo* colList;
   int32_t      type;  // data block load type:
-  int32_t      numOfTWindows;
-  STimeWindow* twindows;
+//  int32_t      numOfTWindows;
+  STimeWindow  twindows;
   int64_t      startVersion;
   int64_t      endVersion;
 } SQueryTableDataCond;

include/libs/executor/executor.h

@@ -36,6 +36,7 @@ typedef struct SReadHandle {
   void*   vnode;
   void*   mnd;
   SMsgCb* pMsgCb;
+  int64_t version;
   bool    initMetaReader;
   bool    initTableReader;
   bool    initTqReader;

source/common/src/tglobal.c

@@ -418,7 +418,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   if (cfgAddInt32(pCfg, "numOfMnodeReadThreads", tsNumOfMnodeReadThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfVnodeQueryThreads = tsNumOfCores / 2;
-  tsNumOfVnodeQueryThreads = TMAX(tsNumOfVnodeQueryThreads, 1);
+  tsNumOfVnodeQueryThreads = TMAX(tsNumOfVnodeQueryThreads, 2);
   if (cfgAddInt32(pCfg, "numOfVnodeQueryThreads", tsNumOfVnodeQueryThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfVnodeFetchThreads = TRANGE(tsNumOfVnodeFetchThreads, 1, 1);

source/dnode/vnode/inc/vnode.h

@@ -130,7 +130,7 @@ bool    tsdbNextDataBlock(STsdbReader *pReader);
 void    tsdbRetrieveDataBlockInfo(STsdbReader *pReader, SDataBlockInfo *pDataBlockInfo);
 int32_t tsdbRetrieveDatablockSMA(STsdbReader *pReader, SColumnDataAgg ***pBlockStatis, bool *allHave);
 SArray *tsdbRetrieveDataBlock(STsdbReader *pTsdbReadHandle, SArray *pColumnIdList);
-int32_t tsdbReaderReset(STsdbReader *pReader, SQueryTableDataCond *pCond, int32_t tWinIdx);
+int32_t tsdbReaderReset(STsdbReader *pReader, SQueryTableDataCond *pCond);
 int32_t tsdbGetFileBlocksDistInfo(STsdbReader *pReader, STableBlockDistInfo *pTableBlockInfo);
 int64_t tsdbGetNumOfRowsInMemTable(STsdbReader *pHandle);
 void   *tsdbGetIdx(SMeta *pMeta);

source/dnode/vnode/src/inc/tq.h

@@ -89,6 +89,8 @@ typedef struct {
     STqExecTb  execTb;
     STqExecDb  execDb;
   };
+  // TODO remove it
+  int64_t tsdbEndVer;
 
 } STqExecHandle;
 

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

@@ -483,6 +483,7 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
     /*for (int32_t i = 0; i < 5; i++) {*/
     /*pHandle->execHandle.pExecReader[i] = tqOpenReader(pTq->pVnode);*/
     /*}*/
+    int64_t ver = walGetCommittedVer(pTq->pVnode->pWal);
     if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
       pHandle->execHandle.execCol.qmsg = req.qmsg;
       req.qmsg = NULL;
@@ -493,6 +494,7 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
             .vnode = pTq->pVnode,
             .initTableReader = true,
             .initTqReader = true,
+            .version = ver,
         };
         pHandle->execHandle.execCol.task[i] = qCreateStreamExecTaskInfo(pHandle->execHandle.execCol.qmsg, &handle);
         ASSERT(pHandle->execHandle.execCol.task[i]);
@@ -501,6 +503,7 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
         ASSERT(scanner);
         pHandle->execHandle.pExecReader[i] = qExtractReaderFromStreamScanner(scanner);
         ASSERT(pHandle->execHandle.pExecReader[i]);
+        pHandle->execHandle.tsdbEndVer = ver;
       }
     } else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
       for (int32_t i = 0; i < 5; i++) {

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

@@ -96,6 +96,12 @@ int64_t tqScan(STQ* pTq, const STqExecHandle* pExec, SMqDataRsp* pRsp, STqOffset
       }
     }
 
+    if (pRsp->blockNum == 0 && pOffset->type == TMQ_OFFSET__SNAPSHOT_DATA) {
+      tqOffsetResetToLog(pOffset, pExec->tsdbEndVer + 1);
+      qStreamPrepareScan(task, pOffset);
+      continue;
+    }
+
     void* meta = qStreamExtractMetaMsg(task);
     if (meta != NULL) {
       // tq add meta to rsp
@@ -107,7 +113,7 @@ int64_t tqScan(STQ* pTq, const STqExecHandle* pExec, SMqDataRsp* pRsp, STqOffset
 
     ASSERT(pRsp->rspOffset.type != 0);
 
-    if (pRsp->rspOffset.type == TMQ_OFFSET__LOG) {
+    if (pRsp->reqOffset.type == TMQ_OFFSET__LOG) {
       ASSERT(pRsp->rspOffset.version + 1 >= pRsp->reqOffset.version);
     }
 

source/dnode/vnode/src/tsdb/tsdbRead.c

@@ -356,14 +356,14 @@ static int32_t tsdbReaderCreate(SVnode* pVnode, SQueryTableDataCond* pCond, STsd
   initReaderStatus(&pReader->status);
 
   pReader->pTsdb =
-      getTsdbByRetentions(pVnode, pCond->twindows[0].skey, pVnode->config.tsdbCfg.retentions, idstr, &level);
+      getTsdbByRetentions(pVnode, pCond->twindows.skey, pVnode->config.tsdbCfg.retentions, idstr, &level);
   pReader->suid = pCond->suid;
   pReader->order = pCond->order;
   pReader->capacity = 4096;
   pReader->idStr = (idstr != NULL) ? strdup(idstr) : NULL;
   pReader->verRange = getQueryVerRange(pVnode, pCond, level);
   pReader->type = pCond->type;
-  pReader->window = updateQueryTimeWindow(pVnode->pTsdb, pCond->twindows);
+  pReader->window = updateQueryTimeWindow(pVnode->pTsdb, &pCond->twindows);
 
   ASSERT(pCond->numOfCols > 0);
 
@@ -2954,7 +2954,7 @@ SArray* tsdbRetrieveDataBlock(STsdbReader* pReader, SArray* pIdList) {
   return pReader->pResBlock->pDataBlock;
 }
 
-int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond, int32_t tWinIdx) {
+int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
   if (isEmptyQueryTimeWindow(&pReader->window)) {
     return TSDB_CODE_SUCCESS;
   }
@@ -2964,7 +2964,7 @@ int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond, int32_
   pReader->status.loadFromFile = true;
   pReader->status.pTableIter = NULL;
 
-  pReader->window = updateQueryTimeWindow(pReader->pTsdb, &pCond->twindows[tWinIdx]);
+  pReader->window = updateQueryTimeWindow(pReader->pTsdb, &pCond->twindows);
 
   // allocate buffer in order to load data blocks from file
   memset(&pReader->suppInfo.tsColAgg, 0, sizeof(SColumnDataAgg));

source/libs/executor/inc/executorimpl.h

@@ -279,9 +279,6 @@ typedef struct STableScanInfo {
   SScanInfo       scanInfo;
   int32_t         scanTimes;
   SNode*          pFilterNode;  // filter info, which is push down by optimizer
-  SqlFunctionCtx* pCtx;         // which belongs to the direct upstream operator operator query context,todo: remove this by using SExprSup
-  int32_t*        rowEntryInfoOffset;  // todo: remove this by using SExprSup
-  SExprInfo*      pExpr;// todo: remove this by using SExprSup
 
   SSDataBlock*    pResBlock;
   SArray*         pColMatchInfo;
@@ -290,14 +287,10 @@ typedef struct STableScanInfo {
   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.
-
   SSampleExecInfo sample;       // sample execution info
-  int32_t         curTWinIdx;
 
   int32_t         currentGroupId;
   int32_t         currentTable;
-  uint64_t        queryId;   // todo remove it
-  uint64_t        taskId;    // todo remove it
 
 #if 0
   struct {
@@ -916,7 +909,7 @@ int32_t aggDecodeResultRow(SOperatorInfo* pOperator, char* result);
 int32_t aggEncodeResultRow(SOperatorInfo* pOperator, char** result, int32_t* length);
 
 STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int64_t ts, SInterval* pInterval,
-                                int32_t precision, int32_t order);
+                                int32_t order);
 int32_t getNumOfRowsInTimeWindow(SDataBlockInfo* pDataBlockInfo, TSKEY* pPrimaryColumn, int32_t startPos, TSKEY ekey,
     __block_search_fn_t searchFn, STableQueryInfo* item, int32_t order);
 int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
@@ -932,7 +925,6 @@ int32_t updateSessionWindowInfo(SResultWindowInfo* pWinInfo, TSKEY* pStartTs,
     TSKEY* pEndTs, int32_t rows, int32_t start, int64_t gap, SHashObj* pStDeleted);
 bool functionNeedToExecute(SqlFunctionCtx* pCtx);
 
-int32_t compareTimeWindow(const void* p1, const void* p2, const void* param);
 int32_t finalizeResultRowIntoResultDataBlock(SDiskbasedBuf* pBuf, SResultRowPosition* resultRowPosition,
                                        SqlFunctionCtx* pCtx, SExprInfo* pExprInfo, int32_t numOfExprs, const int32_t* rowCellOffset,
                                        SSDataBlock* pBlock, SExecTaskInfo* pTaskInfo);

source/libs/executor/src/executil.c

@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <common/ttime.h>
 #include "function.h"
 #include "functionMgt.h"
 #include "index.h"
@@ -769,11 +770,8 @@ int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysi
 
   // pCond->twindow = pTableScanNode->scanRange;
   // TODO: get it from stable scan node
-  pCond->numOfTWindows = 1;
-  pCond->twindows = taosMemoryCalloc(pCond->numOfTWindows, sizeof(STimeWindow));
-  pCond->twindows[0] = pTableScanNode->scanRange;
+  pCond->twindows = pTableScanNode->scanRange;
   pCond->suid     = pTableScanNode->scan.suid;
-
   pCond->type     = BLOCK_LOAD_OFFSET_ORDER;
   pCond->startVersion = -1;
   pCond->endVersion   = -1;
@@ -826,3 +824,87 @@ int32_t convertFillType(int32_t mode) {
 
   return type;
 }
+
+static void getInitialStartTimeWindow(SInterval* pInterval, TSKEY ts, STimeWindow* w, bool ascQuery) {
+  if (ascQuery) {
+    getAlignQueryTimeWindow(pInterval, pInterval->precision, ts, w);
+  } else {
+    // the start position of the first time window in the endpoint that spreads beyond the queried last timestamp
+    getAlignQueryTimeWindow(pInterval, pInterval->precision, ts, w);
+
+    int64_t key = w->skey;
+    while (key < ts) {  // moving towards end
+      key = taosTimeAdd(key, pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
+      if (key >= ts) {
+        break;
+      }
+
+      w->skey = key;
+    }
+  }
+}
+
+static STimeWindow doCalculateTimeWindow(int64_t ts, SInterval* pInterval) {
+  STimeWindow  w =  {0};
+
+  if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
+    w.skey = taosTimeTruncate(ts, pInterval, pInterval->precision);
+    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
+  } else {
+    int64_t st = w.skey;
+
+    if (st > ts) {
+      st -= ((st - ts + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
+    }
+
+    int64_t et = st + pInterval->interval - 1;
+    if (et < ts) {
+      st += ((ts - et + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
+    }
+
+    w.skey = st;
+    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
+  }
+
+  return w;
+}
+
+static STimeWindow getFirstQualifiedTimeWindow(int64_t ts, STimeWindow* pWindow, SInterval* pInterval, int32_t order) {
+  int32_t factor = (order == TSDB_ORDER_ASC)? -1:1;
+
+  STimeWindow win = *pWindow;
+  STimeWindow save = win;
+  while(win.skey <= ts && win.ekey >= ts) {
+    save = win;
+    win.skey = taosTimeAdd(win.skey, factor * pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
+    win.ekey = taosTimeAdd(win.ekey, factor * pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
+  }
+
+  return save;
+}
+
+// get the correct time window according to the handled timestamp
+STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int64_t ts, SInterval* pInterval,
+                                int32_t order) {
+  STimeWindow w = {0};
+  if (pResultRowInfo->cur.pageId == -1) {  // the first window, from the previous stored value
+    getInitialStartTimeWindow(pInterval, ts, &w, (order == TSDB_ORDER_ASC));
+    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, pInterval->precision) - 1;
+    return w;
+  }
+
+  w = getResultRowByPos(pBuf, &pResultRowInfo->cur)->win;
+
+  // in case of typical time window, we can calculate time window directly.
+  if (w.skey > ts || w.ekey < ts) {
+    w = doCalculateTimeWindow(ts, pInterval);
+  }
+
+  if (pInterval->interval != pInterval->sliding) {
+    // it is an sliding window query, in which sliding value is not equalled to
+    // interval value, and we need to find the first qualified time window.
+    w = getFirstQualifiedTimeWindow(ts, &w, pInterval, order);
+  }
+
+  return w;
+}
\ No newline at end of file

source/libs/executor/src/executorMain.c

@@ -327,12 +327,11 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, const STqOffsetVal* pOffset) {
           ASSERT(found);
 
           tsdbSetTableId(pTableScanInfo->dataReader, uid);
-          int64_t oldSkey = pTableScanInfo->cond.twindows[0].skey;
-          pTableScanInfo->cond.twindows[0].skey = ts + 1;
-          tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
-          pTableScanInfo->cond.twindows[0].skey = oldSkey;
+          int64_t oldSkey = pTableScanInfo->cond.twindows.skey;
+          pTableScanInfo->cond.twindows.skey = ts + 1;
+          tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
+          pTableScanInfo->cond.twindows.skey = oldSkey;
           pTableScanInfo->scanTimes = 0;
-          pTableScanInfo->curTWinIdx = 0;
 
           qDebug("tsdb reader offset seek to uid %ld ts %ld, table cur set to %d , all table num %d", uid, ts,
                  pTableScanInfo->currentTable, tableSz);

source/libs/executor/src/executorimpl.c

@@ -1038,6 +1038,7 @@ static bool overlapWithTimeWindow(STaskAttr* pQueryAttr, SDataBlockInfo* pBlockI
 #endif
 
 static uint32_t doFilterByBlockTimeWindow(STableScanInfo* pTableScanInfo, SSDataBlock* pBlock) {
+#if 0
   SqlFunctionCtx* pCtx = pTableScanInfo->pCtx;
   uint32_t        status = BLK_DATA_NOT_LOAD;
 
@@ -1059,6 +1060,8 @@ static uint32_t doFilterByBlockTimeWindow(STableScanInfo* pTableScanInfo, SSData
   }
 
   return status;
+#endif
+  return 0;
 }
 
 int32_t loadDataBlockOnDemand(SExecTaskInfo* pTaskInfo, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock,
@@ -2887,12 +2890,11 @@ int32_t doPrepareScan(SOperatorInfo* pOperator, uint64_t uid, int64_t ts) {
       ASSERT(found);
 
       tsdbSetTableId(pInfo->dataReader, uid);
-      int64_t oldSkey = pInfo->cond.twindows[0].skey;
-      pInfo->cond.twindows[0].skey = ts + 1;
-      tsdbReaderReset(pInfo->dataReader, &pInfo->cond, 0);
-      pInfo->cond.twindows[0].skey = oldSkey;
+      int64_t oldSkey = pInfo->cond.twindows.skey;
+      pInfo->cond.twindows.skey = ts + 1;
+      tsdbReaderReset(pInfo->dataReader, &pInfo->cond);
+      pInfo->cond.twindows.skey = oldSkey;
       pInfo->scanTimes = 0;
-      pInfo->curTWinIdx = 0;
 
       qDebug("tsdb reader offset seek to uid %" PRId64 " ts %" PRId64 ", table cur set to %d , all table num %d", uid, ts,
              pInfo->currentTable, tableSz);
@@ -4351,9 +4353,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
         cond.colList->type = TSDB_DATA_TYPE_TIMESTAMP;
         cond.colList->bytes = sizeof(TSKEY);
 
-        cond.numOfTWindows = 1;
-        cond.twindows = taosMemoryCalloc(1, sizeof(STimeWindow));
-        cond.twindows[0] = (STimeWindow){.skey = INT64_MIN, .ekey = INT64_MAX};
+        cond.twindows = (STimeWindow){.skey = INT64_MIN, .ekey = INT64_MAX};
         cond.suid = pBlockNode->suid;
         cond.type = BLOCK_LOAD_OFFSET_ORDER;
       }
@@ -4552,18 +4552,6 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
   return pOptr;
 }
 
-int32_t compareTimeWindow(const void* p1, const void* p2, const void* param) {
-  const SQueryTableDataCond* pCond = param;
-  const STimeWindow*         pWin1 = p1;
-  const STimeWindow*         pWin2 = p2;
-  if (pCond->order == TSDB_ORDER_ASC) {
-    return pWin1->skey - pWin2->skey;
-  } else if (pCond->order == TSDB_ORDER_DESC) {
-    return pWin2->skey - pWin1->skey;
-  }
-  return 0;
-}
-
 SArray* extractColumnInfo(SNodeList* pNodeList) {
   size_t  numOfCols = LIST_LENGTH(pNodeList);
   SArray* pList = taosArrayInit(numOfCols, sizeof(SColumn));

source/libs/executor/src/scanoperator.c

@@ -294,13 +294,8 @@ static void prepareForDescendingScan(STableScanInfo* pTableScanInfo, SqlFunction
   //  setupQueryRangeForReverseScan(pTableScanInfo);
 
   pTableScanInfo->cond.order = TSDB_ORDER_DESC;
-  for (int32_t i = 0; i < pTableScanInfo->cond.numOfTWindows; ++i) {
-    STimeWindow* pTWindow = &pTableScanInfo->cond.twindows[i];
+  STimeWindow* pTWindow = &pTableScanInfo->cond.twindows;
   TSWAP(pTWindow->skey, pTWindow->ekey);
-  }
-
-  SQueryTableDataCond* pCond = &pTableScanInfo->cond;
-  taosqsort(pCond->twindows, pCond->numOfTWindows, sizeof(STimeWindow), pCond, compareTimeWindow);
 }
 
 int32_t addTagPseudoColumnData(SReadHandle* pHandle, SExprInfo* pPseudoExpr, int32_t numOfPseudoExpr,
@@ -450,17 +445,11 @@ static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
 
   // do the ascending order traverse in the first place.
   while (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
-    while (pTableScanInfo->curTWinIdx < pTableScanInfo->cond.numOfTWindows) {
     SSDataBlock* p = doTableScanImpl(pOperator);
     if (p != NULL) {
       ASSERT(p->info.uid != 0);
       return p;
     }
-      pTableScanInfo->curTWinIdx += 1;
-      if (pTableScanInfo->curTWinIdx < pTableScanInfo->cond.numOfTWindows) {
-        tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, pTableScanInfo->curTWinIdx);
-      }
-    }
 
     pTableScanInfo->scanTimes += 1;
 
@@ -468,41 +457,26 @@ static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
       setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
       pTableScanInfo->scanFlag = REPEAT_SCAN;
       qDebug("%s start to repeat ascending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
-      for (int32_t i = 0; i < pTableScanInfo->cond.numOfTWindows; ++i) {
-        STimeWindow* pWin = &pTableScanInfo->cond.twindows[i];
-        qDebug("%s qrange:%" PRId64 "-%" PRId64, GET_TASKID(pTaskInfo), pWin->skey, pWin->ekey);
-      }
+
       // do prepare for the next round table scan operation
-      tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
-      pTableScanInfo->curTWinIdx = 0;
+      tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
     }
   }
 
   int32_t total = pTableScanInfo->scanInfo.numOfAsc + pTableScanInfo->scanInfo.numOfDesc;
   if (pTableScanInfo->scanTimes < total) {
     if (pTableScanInfo->cond.order == TSDB_ORDER_ASC) {
-      prepareForDescendingScan(pTableScanInfo, pTableScanInfo->pCtx, 0);
-      tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
-      pTableScanInfo->curTWinIdx = 0;
+      prepareForDescendingScan(pTableScanInfo, pOperator->exprSupp.pCtx, 0);
+      tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
     }
 
     qDebug("%s start to descending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
-    for (int32_t i = 0; i < pTableScanInfo->cond.numOfTWindows; ++i) {
-      STimeWindow* pWin = &pTableScanInfo->cond.twindows[i];
-      qDebug("%s qrange:%" PRId64 "-%" PRId64, GET_TASKID(pTaskInfo), pWin->skey, pWin->ekey);
-    }
 
     while (pTableScanInfo->scanTimes < total) {
-      while (pTableScanInfo->curTWinIdx < pTableScanInfo->cond.numOfTWindows) {
       SSDataBlock* p = doTableScanImpl(pOperator);
       if (p != NULL) {
         return p;
       }
-        pTableScanInfo->curTWinIdx += 1;
-        if (pTableScanInfo->curTWinIdx < pTableScanInfo->cond.numOfTWindows) {
-          tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, pTableScanInfo->curTWinIdx);
-        }
-      }
 
       pTableScanInfo->scanTimes += 1;
 
@@ -512,12 +486,7 @@ static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
 
         qDebug("%s start to repeat descending order scan data blocks due to query func required",
                GET_TASKID(pTaskInfo));
-        for (int32_t i = 0; i < pTableScanInfo->cond.numOfTWindows; ++i) {
-          STimeWindow* pWin = &pTableScanInfo->cond.twindows[i];
-          qDebug("%s qrange:%" PRId64 "-%" PRId64, GET_TASKID(pTaskInfo), pWin->skey, pWin->ekey);
-        }
-        tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
-        pTableScanInfo->curTWinIdx = 0;
+        tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
       }
     }
   }
@@ -544,9 +513,8 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
       }
       STableKeyInfo* pTableInfo = taosArrayGet(pTaskInfo->tableqinfoList.pTableList, pInfo->currentTable);
       tsdbSetTableId(pInfo->dataReader, pTableInfo->uid);
-      tsdbReaderReset(pInfo->dataReader, &pInfo->cond, 0);
+      tsdbReaderReset(pInfo->dataReader, &pInfo->cond);
       pInfo->scanTimes = 0;
-      pInfo->curTWinIdx = 0;
     }
   }
 
@@ -578,8 +546,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
   SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, pInfo->currentGroupId);
   //  tsdbSetTableList(pInfo->dataReader, tableList);
 
-  tsdbReaderReset(pInfo->dataReader, &pInfo->cond, 0);
-  pInfo->curTWinIdx = 0;
+  tsdbReaderReset(pInfo->dataReader, &pInfo->cond);
   pInfo->scanTimes = 0;
 
   result = doTableScanGroup(pOperator);
@@ -650,7 +617,6 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
   pInfo->pFilterNode = pTableScanNode->scan.node.pConditions;
   pInfo->scanFlag = MAIN_SCAN;
   pInfo->pColMatchInfo = pColList;
-  pInfo->curTWinIdx = 0;
   pInfo->currentGroupId = -1;
 
   pOperator->name = "TableScanOperator";  // for debug purpose
@@ -880,12 +846,7 @@ static void setGroupId(SStreamScanInfo* pInfo, SSDataBlock* pBlock, int32_t grou
 }
 
 void resetTableScanInfo(STableScanInfo* pTableScanInfo, STimeWindow* pWin) {
-  pTableScanInfo->cond.twindows[0] = *pWin;
-  pTableScanInfo->curTWinIdx = 0;
-  //  tsdbResetReadHandle(pTableScanInfo->dataReader, &pTableScanInfo->cond, 0);
-  // if (!pTableScanInfo->dataReader) {
-  //   return false;
-  // }
+  pTableScanInfo->cond.twindows = *pWin;
   pTableScanInfo->scanTimes = 0;
   pTableScanInfo->currentGroupId = -1;
 }
@@ -943,8 +904,7 @@ static bool prepareDataScan(SStreamScanInfo* pInfo, SSDataBlock* pSDB, int32_t t
       setGroupId(pInfo, pSDB, GROUPID_COLUMN_INDEX, *pRowIndex);
       (*pRowIndex) += updateSessionWindowInfo(pCurWin, tsCols, NULL, pSDB->info.rows, *pRowIndex, gap, NULL);
     } else {
-      win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[*pRowIndex], &pInfo->interval, pInfo->interval.precision,
-                                TSDB_ORDER_ASC);
+      win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[*pRowIndex], &pInfo->interval, TSDB_ORDER_ASC);
       setGroupId(pInfo, pSDB, GROUPID_COLUMN_INDEX, *pRowIndex);
       (*pRowIndex) +=
           getNumOfRowsInTimeWindow(&pSDB->info, tsCols, *pRowIndex, win.ekey, binarySearchForKey, NULL, TSDB_ORDER_ASC);
@@ -1493,6 +1453,9 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
   if (pHandle) {
     SOperatorInfo*  pTableScanOp = createTableScanOperatorInfo(pTableScanNode, pHandle, pTaskInfo);
     STableScanInfo* pSTInfo = (STableScanInfo*)pTableScanOp->info;
+    if (pHandle->version > 0) {
+      pSTInfo->cond.endVersion = pHandle->version;
+    }
 
     SArray* tableList = taosArrayGetP(pTaskInfo->tableqinfoList.pGroupList, 0);
     if (pHandle->initTableReader) {

source/libs/executor/src/timewindowoperator.c

@@ -59,136 +59,6 @@ static void doCloseWindow(SResultRowInfo* pResultRowInfo, const SIntervalAggOper
 
 static TSKEY getStartTsKey(STimeWindow* win, const TSKEY* tsCols) { return tsCols == NULL ? win->skey : tsCols[0]; }
 
-static void getInitialStartTimeWindow(SInterval* pInterval, int32_t precision, TSKEY ts, STimeWindow* w,
-                                      bool ascQuery) {
-  if (ascQuery) {
-    getAlignQueryTimeWindow(pInterval, precision, ts, w);
-  } else {
-    // the start position of the first time window in the endpoint that spreads beyond the queried last timestamp
-    getAlignQueryTimeWindow(pInterval, precision, ts, w);
-
-    int64_t key = w->skey;
-    while (key < ts) {  // moving towards end
-      key = taosTimeAdd(key, pInterval->sliding, pInterval->slidingUnit, precision);
-      if (key >= ts) {
-        break;
-      }
-
-      w->skey = key;
-    }
-  }
-}
-
-static STimeWindow getFirstQualifiedTimeWindow(int64_t ts, STimeWindow* pWindow, SInterval* pInterval, int32_t order) {
-  int32_t factor = (order == TSDB_ORDER_ASC) ? -1 : 1;
-
-  STimeWindow win = *pWindow;
-  STimeWindow save = win;
-  while (win.skey <= ts && win.ekey >= ts) {
-    save = win;
-    win.skey = taosTimeAdd(win.skey, factor * pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
-    win.ekey = taosTimeAdd(win.ekey, factor * pInterval->sliding, pInterval->slidingUnit, pInterval->precision);
-  }
-
-  return save;
-}
-
-// todo do refactor
-// get the correct time window according to the handled timestamp
-STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int64_t ts, SInterval* pInterval,
-                                int32_t precision, int32_t order) {
-  STimeWindow w = {0};
-
-  if (pResultRowInfo->cur.pageId == -1) {  // the first window, from the previous stored value
-    getInitialStartTimeWindow(pInterval, precision, ts, &w, true);
-    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-    return w;
-  }
-
-  w = getResultRowByPos(pBuf, &pResultRowInfo->cur)->win;
-
-  if (pInterval->interval == pInterval->sliding) {
-    if (w.skey > ts || w.ekey < ts) {
-      if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-        w.skey = taosTimeTruncate(ts, pInterval, precision);
-        w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-      } else {
-        int64_t st = w.skey;
-
-        if (st > ts) {
-          st -= ((st - ts + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-        }
-
-        int64_t et = st + pInterval->interval - 1;
-        if (et < ts) {
-          st += ((ts - et + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-        }
-
-        w.skey = st;
-        w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-      }
-    }
-  } else {  // it is an sliding window query, in which sliding value is not equalled to
-    // interval value, and we need to find the first qualified time window for asc/desc traverse respectively.
-    if (order == TSDB_ORDER_ASC) {
-      if (w.skey <= ts && w.ekey >= ts) {
-        // ts is resident in current time window, but we need to find the first
-        // qualified time window that cover this timestamp
-        w = getFirstQualifiedTimeWindow(ts, &w, pInterval, order);
-      } else {
-        // todo refactor:
-        if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-          w.skey = taosTimeTruncate(ts, pInterval, precision);
-          w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-        } else {
-          int64_t st = w.skey;
-
-          if (st > ts) {
-            st -= ((st - ts + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-          }
-
-          int64_t et = st + pInterval->interval - 1;
-          if (et < ts) {
-            st += ((ts - et + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-          }
-
-          w.skey = st;
-          w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-
-          w = getFirstQualifiedTimeWindow(ts, &w, pInterval, order);
-        }
-      }
-    } else {
-      if (w.skey <= ts && w.ekey >= ts) {
-        w = getFirstQualifiedTimeWindow(ts, &w, pInterval, order);
-      } else {
-        // todo refactor:
-        if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-          w.skey = taosTimeTruncate(ts, pInterval, precision);
-          w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-        } else {
-          int64_t st = w.skey;
-
-          if (st > ts) {
-            st -= ((st - ts + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-          }
-
-          int64_t et = st + pInterval->interval - 1;
-          if (et < ts) {
-            st += ((ts - et + pInterval->sliding - 1) / pInterval->sliding) * pInterval->sliding;
-          }
-
-          w.skey = st;
-          w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-
-          w = getFirstQualifiedTimeWindow(ts, &w, pInterval, order);
-        }
-      }
-    }
-  }
-  return w;
-}
-
 static int32_t setTimeWindowOutputBuf(SResultRowInfo* pResultRowInfo, STimeWindow* win, bool masterscan,
                                       SResultRow** pResult, int64_t tableGroupId, SqlFunctionCtx* pCtx,
                                       int32_t numOfOutput, int32_t* rowEntryInfoOffset, SAggSupporter* pAggSup,
@@ -929,8 +799,7 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
   TSKEY       ts = getStartTsKey(&pBlock->info.window, tsCols);
   SResultRow* pResult = NULL;
 
-  STimeWindow win = getActiveTimeWindow(pInfo->aggSup.pResultBuf, pResultRowInfo, ts, &pInfo->interval,
-                                        pInfo->interval.precision, pInfo->order);
+  STimeWindow win = getActiveTimeWindow(pInfo->aggSup.pResultBuf, pResultRowInfo, ts, &pInfo->interval, pInfo->order);
   int32_t     ret = TSDB_CODE_SUCCESS;
   if (!pInfo->ignoreExpiredData || !isCloseWindow(&win, &pInfo->twAggSup)) {
     ret = setTimeWindowOutputBuf(pResultRowInfo, &win, (scanFlag == MAIN_SCAN), &pResult, tableGroupId, pSup->pCtx,
@@ -1286,11 +1155,13 @@ static SSDataBlock* doBuildIntervalResult(SOperatorInfo* pOperator) {
     while (1) {
       doBuildResultDatablock(pOperator, &pInfo->binfo, &pInfo->groupResInfo, pInfo->aggSup.pResultBuf);
       doFilter(pInfo->pCondition, pBlock);
+
       bool hasRemain = hasDataInGroupInfo(&pInfo->groupResInfo);
       if (!hasRemain) {
         doSetOperatorCompleted(pOperator);
         break;
       }
+
       if (pBlock->info.rows > 0) {
         break;
       }
@@ -1389,8 +1260,7 @@ void doDeleteSpecifyIntervalWindow(SAggSupporter* pAggSup, SSDataBlock* pBlock,
   for (int32_t i = 0; i < pBlock->info.rows; i++) {
     SResultRowInfo dumyInfo;
     dumyInfo.cur.pageId = -1;
-    STimeWindow win =
-        getActiveTimeWindow(NULL, &dumyInfo, tsStarts[i], pInterval, pInterval->precision, TSDB_ORDER_ASC);
+    STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsStarts[i], pInterval, TSDB_ORDER_ASC);
     doDeleteIntervalWindow(pAggSup, win.skey, groupIds[i]);
     if (pUpWins) {
       SWinRes winRes = {.ts = win.skey, .groupId = groupIds[i]};
@@ -1412,7 +1282,7 @@ static void doClearWindows(SAggSupporter* pAggSup, SExprSupp* pSup1, SInterval*
   for (int32_t i = 0; i < pBlock->info.rows; i += step) {
     SResultRowInfo dumyInfo;
     dumyInfo.cur.pageId = -1;
-    STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[i], pInterval, pInterval->precision, TSDB_ORDER_ASC);
+    STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, tsCols[i], pInterval, TSDB_ORDER_ASC);
     step = getNumOfRowsInTimeWindow(&pBlock->info, tsCols, i, win.ekey, binarySearchForKey, NULL, TSDB_ORDER_ASC);
     uint64_t winGpId = pGpDatas ? pGpDatas[i] : pBlock->info.groupId;
     bool     res = doClearWindow(pAggSup, pSup1, (char*)&win.skey, sizeof(TKEY), winGpId, numOfOutput);
@@ -1452,7 +1322,7 @@ static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup,
     TSKEY          ts = *(int64_t*)((char*)key + sizeof(uint64_t));
     SResultRowInfo dumyInfo;
     dumyInfo.cur.pageId = -1;
-    STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, ts, pInterval, pInterval->precision, TSDB_ORDER_ASC);
+    STimeWindow win = getActiveTimeWindow(NULL, &dumyInfo, ts, pInterval, TSDB_ORDER_ASC);
     SWinRes     winRe = {
             .ts = win.skey,
             .groupId = groupId,
@@ -2550,8 +2420,8 @@ static void doHashInterval(SOperatorInfo* pOperatorInfo, SSDataBlock* pSDataBloc
 
   int32_t     startPos = ascScan ? 0 : (pSDataBlock->info.rows - 1);
   TSKEY       ts = getStartTsKey(&pSDataBlock->info.window, tsCols);
-  STimeWindow nextWin = getActiveTimeWindow(pInfo->aggSup.pResultBuf, pResultRowInfo, ts, &pInfo->interval,
-                                            pInfo->interval.precision, pInfo->order);
+  STimeWindow nextWin =
+      getActiveTimeWindow(pInfo->aggSup.pResultBuf, pResultRowInfo, ts, &pInfo->interval, pInfo->order);
   while (1) {
     bool isClosed = isCloseWindow(&nextWin, &pInfo->twAggSup);
     if (pInfo->ignoreExpiredData && isClosed) {
@@ -4714,7 +4584,7 @@ static int32_t outputPrevIntervalResult(SOperatorInfo* pOperatorInfo, uint64_t t
       continue;
     }
     STimeWindow* prevWin = &prevGrpWin->window;
-    if ((ascScan && newWin->skey > prevWin->ekey || (!ascScan) && newWin->skey < prevWin->ekey)) {
+    if ((ascScan && newWin->skey > prevWin->ekey) || ((!ascScan) && newWin->skey < prevWin->ekey)) {
       finalizeWindowResult(pOperatorInfo, tableGroupId, prevWin, pResultBlock);
       tdListPopNode(miaInfo->groupIntervals, listNode);
     }
@@ -4739,8 +4609,8 @@ static void doMergeIntervalAggImpl(SOperatorInfo* pOperatorInfo, SResultRowInfo*
   TSKEY       blockStartTs = getStartTsKey(&pBlock->info.window, tsCols);
   SResultRow* pResult = NULL;
 
-  STimeWindow win = getActiveTimeWindow(iaInfo->aggSup.pResultBuf, pResultRowInfo, blockStartTs, &iaInfo->interval,
-                                        iaInfo->interval.precision, iaInfo->order);
+  STimeWindow win =
+      getActiveTimeWindow(iaInfo->aggSup.pResultBuf, pResultRowInfo, blockStartTs, &iaInfo->interval, iaInfo->order);
 
   int32_t ret =
       setTimeWindowOutputBuf(pResultRowInfo, &win, (scanFlag == MAIN_SCAN), &pResult, tableGroupId, pExprSup->pCtx,

source/libs/function/src/builtinsimpl.c

@@ -1863,8 +1863,6 @@ static void stddevTransferInfo(SStddevRes* pInput, SStddevRes* pOutput) {
   }
 
   pOutput->count += pInput->count;
-
-  return;
 }
 
 int32_t stddevFunctionMerge(SqlFunctionCtx* pCtx) {
@@ -1874,14 +1872,13 @@ int32_t stddevFunctionMerge(SqlFunctionCtx* pCtx) {
 
   SStddevRes* pInfo = GET_ROWCELL_INTERBUF(GET_RES_INFO(pCtx));
 
-  int32_t     start = pInput->startRowIndex;
-  char*       data = colDataGetData(pCol, start);
+  for(int32_t i = pInput->startRowIndex; i < pInput->startRowIndex + pInput->numOfRows; ++i) {
+    char*       data = colDataGetData(pCol, i);
     SStddevRes* pInputInfo = (SStddevRes*)varDataVal(data);
-
     stddevTransferInfo(pInputInfo, pInfo);
+  }
 
   SET_VAL(GET_RES_INFO(pCtx), 1, 1);
-
   return TSDB_CODE_SUCCESS;
 }
 

source/util/src/tworker.c

@@ -39,7 +39,7 @@ int32_t tQWorkerInit(SQWorkerPool *pool) {
     worker->pool = pool;
   }
 
-  uDebug("worker:%s is initialized, min:%d max:%d", pool->name, pool->min, pool->max);
+  uInfo("worker:%s is initialized, min:%d max:%d", pool->name, pool->min, pool->max);
   return 0;
 }