refactor code for sliding query processing

src/client/inc/tsclient.h

@@ -198,7 +198,7 @@ typedef struct SQueryInfo {
   char     intervalTimeUnit;
 
   int64_t         etime, stime;
-  int64_t         nAggTimeInterval;  // aggregation time interval
+  int64_t         intervalTime;  // aggregation time interval
   int64_t         nSlidingTime;      // sliding window in mseconds
   SSqlGroupbyExpr groupbyExpr;       // group by tags info
 

src/client/src/tscJoinProcess.c

@@ -100,7 +100,7 @@ static int64_t doTSBlockIntersect(SSqlObj* pSql, SJoinSubquerySupporter* pSuppor
        * in case of stable query, limit/offset is not applied here. the limit/offset is applied to the
        * final results which is acquired after the secondry merge of in the client.
        */
-      if (pLimit->offset == 0 || pQueryInfo->nAggTimeInterval > 0 || QUERY_IS_STABLE_QUERY(pQueryInfo->type)) {
+      if (pLimit->offset == 0 || pQueryInfo->intervalTime > 0 || QUERY_IS_STABLE_QUERY(pQueryInfo->type)) {
         if (*st > elem1.ts) {
           *st = elem1.ts;
         }
@@ -165,7 +165,7 @@ SJoinSubquerySupporter* tscCreateJoinSupporter(SSqlObj* pSql, SSubqueryState* pS
   pSupporter->subqueryIndex = index;
   SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, pSql->cmd.clauseIndex);
   
-  pSupporter->interval = pQueryInfo->nAggTimeInterval;
+  pSupporter->interval = pQueryInfo->intervalTime;
   pSupporter->limit = pQueryInfo->limit;
 
   SMeterMetaInfo* pMeterMetaInfo = tscGetMeterMetaInfo(&pSql->cmd, pSql->cmd.clauseIndex, index);
@@ -293,7 +293,7 @@ int32_t tscLaunchSecondPhaseSubqueries(SSqlObj* pSql) {
     // set the second stage sub query for join process
     pQueryInfo->type |= TSDB_QUERY_TYPE_JOIN_SEC_STAGE;
   
-    pQueryInfo->nAggTimeInterval = pSupporter->interval;
+    pQueryInfo->intervalTime = pSupporter->interval;
     pQueryInfo->groupbyExpr = pSupporter->groupbyExpr;
   
     tscColumnBaseInfoCopy(&pQueryInfo->colList, &pSupporter->colList, 0);

src/client/src/tscSQLParser.c

@@ -590,20 +590,20 @@ int32_t parseIntervalClause(SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql) {
 
   // interval is not null
   SSQLToken* t = &pQuerySql->interval;
-  if (getTimestampInUsFromStr(t->z, t->n, &pQueryInfo->nAggTimeInterval) != TSDB_CODE_SUCCESS) {
+  if (getTimestampInUsFromStr(t->z, t->n, &pQueryInfo->intervalTime) != TSDB_CODE_SUCCESS) {
     return TSDB_CODE_INVALID_SQL;
   }
 
   // if the unit of time window value is millisecond, change the value from microsecond
   if (pMeterMetaInfo->pMeterMeta->precision == TSDB_TIME_PRECISION_MILLI) {
-    pQueryInfo->nAggTimeInterval = pQueryInfo->nAggTimeInterval / 1000;
+    pQueryInfo->intervalTime = pQueryInfo->intervalTime / 1000;
   }
 
   /* parser has filter the illegal type, no need to check here */
   pQueryInfo->intervalTimeUnit = pQuerySql->interval.z[pQuerySql->interval.n - 1];
 
   // interval cannot be less than 10 milliseconds
-  if (pQueryInfo->nAggTimeInterval < tsMinIntervalTime) {
+  if (pQueryInfo->intervalTime < tsMinIntervalTime) {
     return invalidSqlErrMsg(pQueryInfo->msg, msg2);
   }
 
@@ -627,7 +627,7 @@ int32_t parseIntervalClause(SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql) {
    * check invalid SQL:
    * select tbname, tags_fields from super_table_name interval(1s)
    */
-  if (tscQueryMetricTags(pQueryInfo) && pQueryInfo->nAggTimeInterval > 0) {
+  if (tscQueryMetricTags(pQueryInfo) && pQueryInfo->intervalTime > 0) {
     return invalidSqlErrMsg(pQueryInfo->msg, msg1);
   }
 
@@ -681,11 +681,11 @@ int32_t parseSlidingClause(SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql) {
       return invalidSqlErrMsg(pQueryInfo->msg, msg0);
     }
 
-    if (pQueryInfo->nSlidingTime > pQueryInfo->nAggTimeInterval) {
+    if (pQueryInfo->nSlidingTime > pQueryInfo->intervalTime) {
       return invalidSqlErrMsg(pQueryInfo->msg, msg1);
     }
   } else {
-    pQueryInfo->nSlidingTime = -1;
+    pQueryInfo->nSlidingTime = pQueryInfo->intervalTime;
   }
 
   return TSDB_CODE_SUCCESS;
@@ -4252,7 +4252,7 @@ int32_t validateSqlFunctionInStreamSql(SQueryInfo* pQueryInfo) {
   const char* msg0 = "sample interval can not be less than 10ms.";
   const char* msg1 = "functions not allowed in select clause";
 
-  if (pQueryInfo->nAggTimeInterval != 0 && pQueryInfo->nAggTimeInterval < 10) {
+  if (pQueryInfo->intervalTime != 0 && pQueryInfo->intervalTime < 10) {
     return invalidSqlErrMsg(pQueryInfo->msg, msg0);
   }
 
@@ -4950,7 +4950,7 @@ static int32_t doAddGroupbyColumnsOnDemand(SQueryInfo* pQueryInfo) {
       insertResultField(pQueryInfo, pQueryInfo->fieldsInfo.numOfOutputCols, &ids, bytes, type, name);
     } else {
       // if this query is "group by" normal column, interval is not allowed
-      if (pQueryInfo->nAggTimeInterval > 0) {
+      if (pQueryInfo->intervalTime > 0) {
         return invalidSqlErrMsg(pQueryInfo->msg, msg2);
       }
 
@@ -4983,7 +4983,7 @@ int32_t doFunctionsCompatibleCheck(SSqlCmd* pCmd, SQueryInfo* pQueryInfo) {
 
   // only retrieve tags, group by is not supportted
   if (pCmd->command == TSDB_SQL_RETRIEVE_TAGS) {
-    if (pQueryInfo->groupbyExpr.numOfGroupCols > 0 || pQueryInfo->nAggTimeInterval > 0) {
+    if (pQueryInfo->groupbyExpr.numOfGroupCols > 0 || pQueryInfo->intervalTime > 0) {
       return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg4);
     } else {
       return TSDB_CODE_SUCCESS;
@@ -5399,7 +5399,7 @@ int32_t doCheckForStream(SSqlObj* pSql, SSqlInfo* pInfo) {
   if (parseIntervalClause(pQueryInfo, pQuerySql) != TSDB_CODE_SUCCESS) {
     return TSDB_CODE_INVALID_SQL;
   } else {
-    if ((pQueryInfo->nAggTimeInterval > 0) &&
+    if ((pQueryInfo->intervalTime > 0) &&
         (validateFunctionsInIntervalOrGroupbyQuery(pQueryInfo) != TSDB_CODE_SUCCESS)) {
       return TSDB_CODE_INVALID_SQL;
     }
@@ -5429,7 +5429,7 @@ int32_t doCheckForStream(SSqlObj* pSql, SSqlInfo* pInfo) {
    * not here.
    */
   if (pQuerySql->fillType != NULL) {
-    if (pQueryInfo->nAggTimeInterval == 0) {
+    if (pQueryInfo->intervalTime == 0) {
       return invalidSqlErrMsg(pQueryInfo->msg, msg3);
     }
 
@@ -5541,7 +5541,7 @@ int32_t doCheckForQuery(SSqlObj* pSql, SQuerySQL* pQuerySql, int32_t index) {
   if (parseIntervalClause(pQueryInfo, pQuerySql) != TSDB_CODE_SUCCESS) {
     return TSDB_CODE_INVALID_SQL;
   } else {
-    if ((pQueryInfo->nAggTimeInterval > 0) &&
+    if ((pQueryInfo->intervalTime > 0) &&
         (validateFunctionsInIntervalOrGroupbyQuery(pQueryInfo) != TSDB_CODE_SUCCESS)) {
       return TSDB_CODE_INVALID_SQL;
     }
@@ -5614,14 +5614,14 @@ int32_t doCheckForQuery(SSqlObj* pSql, SQuerySQL* pQuerySql, int32_t index) {
    * the columns may be increased due to group by operation
    */
   if (pQuerySql->fillType != NULL) {
-    if (pQueryInfo->nAggTimeInterval == 0 && (!tscIsPointInterpQuery(pQueryInfo))) {
+    if (pQueryInfo->intervalTime == 0 && (!tscIsPointInterpQuery(pQueryInfo))) {
       return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg5);
     }
     
-    if (pQueryInfo->nAggTimeInterval > 0) {
+    if (pQueryInfo->intervalTime > 0) {
       int64_t timeRange = labs(pQueryInfo->stime - pQueryInfo->etime);
       // number of result is not greater than 10,000,000
-      if ((timeRange == 0) || (timeRange / pQueryInfo->nAggTimeInterval) > MAX_RETRIEVE_ROWS_IN_INTERVAL_QUERY) {
+      if ((timeRange == 0) || (timeRange / pQueryInfo->intervalTime) > MAX_RETRIEVE_ROWS_IN_INTERVAL_QUERY) {
         return invalidSqlErrMsg(pQueryInfo->msg, msg6);
       }
     }

src/client/src/tscSecondaryMerge.c

@@ -325,7 +325,7 @@ void tscCreateLocalReducer(tExtMemBuffer **pMemBuffer, int32_t numOfBuffer, tOrd
   int16_t prec = pMeterMetaInfo->pMeterMeta->precision;
 
   int64_t stime = (pQueryInfo->stime < pQueryInfo->etime) ? pQueryInfo->stime : pQueryInfo->etime;
-  int64_t revisedSTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit, prec);
+  int64_t revisedSTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit, prec);
 
   SInterpolationInfo *pInterpoInfo = &pReducer->interpolationInfo;
   taosInitInterpoInfo(pInterpoInfo, pQueryInfo->order.order, revisedSTime, pQueryInfo->groupbyExpr.numOfGroupCols,
@@ -522,7 +522,7 @@ static int32_t createOrderDescriptor(tOrderDescriptor **pOrderDesc, SSqlCmd *pCm
   }
 
   // primary timestamp column is involved in final result
-  if (pQueryInfo->nAggTimeInterval != 0 || tscOrderedProjectionQueryOnSTable(pQueryInfo, 0)) {
+  if (pQueryInfo->intervalTime != 0 || tscOrderedProjectionQueryOnSTable(pQueryInfo, 0)) {
     numOfGroupByCols++;
   }
 
@@ -539,7 +539,7 @@ static int32_t createOrderDescriptor(tOrderDescriptor **pOrderDesc, SSqlCmd *pCm
       orderIdx[i] = startCols++;
     }
 
-    if (pQueryInfo->nAggTimeInterval != 0) {
+    if (pQueryInfo->intervalTime != 0) {
       // the first column is the timestamp, handles queries like "interval(10m) group by tags"
       orderIdx[numOfGroupByCols - 1] = PRIMARYKEY_TIMESTAMP_COL_INDEX;
     }
@@ -581,10 +581,10 @@ bool isSameGroup(SSqlCmd *pCmd, SLocalReducer *pReducer, char *pPrev, tFilePage
 
   if (pOrderDesc->orderIdx.pData[numOfCols - 1] == PRIMARYKEY_TIMESTAMP_COL_INDEX) {  //<= 0
     // super table interval query
-    assert(pQueryInfo->nAggTimeInterval > 0);
+    assert(pQueryInfo->intervalTime > 0);
     pOrderDesc->orderIdx.numOfCols -= 1;
   } else {  // simple group by query
-    assert(pQueryInfo->nAggTimeInterval == 0);
+    assert(pQueryInfo->intervalTime == 0);
   }
 
   // only one row exists
@@ -752,7 +752,7 @@ void savePrevRecordAndSetupInterpoInfo(SLocalReducer *pLocalReducer, SQueryInfo*
   int16_t prec = pMeterMetaInfo->pMeterMeta->precision;
 
   int64_t stime = (pQueryInfo->stime < pQueryInfo->etime) ? pQueryInfo->stime : pQueryInfo->etime;
-  int64_t revisedSTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit, prec);
+  int64_t revisedSTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit, prec);
 
   taosInitInterpoInfo(pInterpoInfo, pQueryInfo->order.order, revisedSTime, pQueryInfo->groupbyExpr.numOfGroupCols,
                       pLocalReducer->rowSize);
@@ -820,7 +820,7 @@ static void doInterpolateResult(SSqlObj *pSql, SLocalReducer *pLocalReducer, boo
     assert(pRes->pLocalReducer == NULL);
   }
 
-  if (pQueryInfo->nAggTimeInterval == 0 || pQueryInfo->interpoType == TSDB_INTERPO_NONE) {
+  if (pQueryInfo->intervalTime == 0 || pQueryInfo->interpoType == TSDB_INTERPO_NONE) {
     // no interval query, no interpolation
     pRes->data = pLocalReducer->pFinalRes;
     pRes->numOfRows = pFinalDataPage->numOfElems;
@@ -898,13 +898,13 @@ static void doInterpolateResult(SSqlObj *pSql, SLocalReducer *pLocalReducer, boo
 
   while (1) {
     int32_t remains = taosNumOfRemainPoints(pInterpoInfo);
-    TSKEY etime = taosGetRevisedEndKey(actualETime, pQueryInfo->order.order, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit,
+    TSKEY etime = taosGetRevisedEndKey(actualETime, pQueryInfo->order.order, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit,
                                        precision);
-    int32_t nrows = taosGetNumOfResultWithInterpo(pInterpoInfo, pPrimaryKeys, remains, pQueryInfo->nAggTimeInterval, etime,
+    int32_t nrows = taosGetNumOfResultWithInterpo(pInterpoInfo, pPrimaryKeys, remains, pQueryInfo->intervalTime, etime,
                                                   pLocalReducer->resColModel->capacity);
 
     int32_t newRows = taosDoInterpoResult(pInterpoInfo, pQueryInfo->interpoType, pResPages, remains, nrows,
-                                          pQueryInfo->nAggTimeInterval, pPrimaryKeys, pLocalReducer->resColModel, srcData,
+                                          pQueryInfo->intervalTime, pPrimaryKeys, pLocalReducer->resColModel, srcData,
                                           pQueryInfo->defaultVal, functions, pLocalReducer->resColModel->capacity);
     assert(newRows <= nrows);
 
@@ -937,7 +937,7 @@ static void doInterpolateResult(SSqlObj *pSql, SLocalReducer *pLocalReducer, boo
 
         /* all output for current group are completed */
         int32_t totalRemainRows =
-            taosGetNumOfResWithoutLimit(pInterpoInfo, pPrimaryKeys, rpoints, pQueryInfo->nAggTimeInterval, actualETime);
+            taosGetNumOfResWithoutLimit(pInterpoInfo, pPrimaryKeys, rpoints, pQueryInfo->intervalTime, actualETime);
         if (totalRemainRows <= 0) {
           break;
         }
@@ -1244,7 +1244,7 @@ static void resetEnvForNewResultset(SSqlRes *pRes, SSqlCmd *pCmd, SLocalReducer
   // for group result interpolation, do not return if not data is generated
   if (pQueryInfo->interpoType != TSDB_INTERPO_NONE) {
     int64_t stime = (pQueryInfo->stime < pQueryInfo->etime) ? pQueryInfo->stime : pQueryInfo->etime;
-    int64_t newTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit, precision);
+    int64_t newTime = taosGetIntervalStartTimestamp(stime, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit, precision);
 
     taosInitInterpoInfo(&pLocalReducer->interpolationInfo, pQueryInfo->order.order, newTime, pQueryInfo->groupbyExpr.numOfGroupCols,
                         pLocalReducer->rowSize);
@@ -1273,9 +1273,9 @@ static bool doInterpolationForCurrentGroup(SSqlObj *pSql) {
     int64_t    etime = *(int64_t *)(pFinalDataBuf->data + TSDB_KEYSIZE * (pInterpoInfo->numOfRawDataInRows - 1));
 
     int32_t remain = taosNumOfRemainPoints(pInterpoInfo);
-    TSKEY   ekey = taosGetRevisedEndKey(etime, pQueryInfo->order.order, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit, p);
+    TSKEY   ekey = taosGetRevisedEndKey(etime, pQueryInfo->order.order, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit, p);
     int32_t rows = taosGetNumOfResultWithInterpo(pInterpoInfo, (TSKEY *)pLocalReducer->pBufForInterpo, remain,
-                                                 pQueryInfo->nAggTimeInterval, ekey, pLocalReducer->resColModel->capacity);
+                                                 pQueryInfo->intervalTime, ekey, pLocalReducer->resColModel->capacity);
     if (rows > 0) {  // do interpo
       doInterpolateResult(pSql, pLocalReducer, false);
     }
@@ -1305,8 +1305,8 @@ static bool doHandleLastRemainData(SSqlObj *pSql) {
     if (pQueryInfo->interpoType != TSDB_INTERPO_NONE) {
       int64_t etime = (pQueryInfo->stime < pQueryInfo->etime) ? pQueryInfo->etime : pQueryInfo->stime;
 
-      etime = taosGetRevisedEndKey(etime, pQueryInfo->order.order, pQueryInfo->nAggTimeInterval, pQueryInfo->intervalTimeUnit, precision);
-      int32_t rows = taosGetNumOfResultWithInterpo(pInterpoInfo, NULL, 0, pQueryInfo->nAggTimeInterval, etime,
+      etime = taosGetRevisedEndKey(etime, pQueryInfo->order.order, pQueryInfo->intervalTime, pQueryInfo->intervalTimeUnit, precision);
+      int32_t rows = taosGetNumOfResultWithInterpo(pInterpoInfo, NULL, 0, pQueryInfo->intervalTime, etime,
                                                    pLocalReducer->resColModel->capacity);
       if (rows > 0) {  // do interpo
         doInterpolateResult(pSql, pLocalReducer, true);

src/client/src/tscServer.c

@@ -649,7 +649,7 @@ int32_t tscLaunchJoinSubquery(SSqlObj *pSql, int16_t tableIndex, SJoinSubquerySu
     tscTagCondCopy(&pSupporter->tagCond, &pNewQueryInfo->tagCond);
 
     pNew->cmd.numOfCols = 0;
-    pNewQueryInfo->nAggTimeInterval = 0;
+    pNewQueryInfo->intervalTime = 0;
     memset(&pNewQueryInfo->limit, 0, sizeof(SLimitVal));
 
     // backup the data and clear it in the sqlcmd object
@@ -1683,12 +1683,12 @@ int tscBuildQueryMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
     return -1;
   }
 
-  pQueryMsg->nAggTimeInterval = htobe64(pQueryInfo->nAggTimeInterval);
+  pQueryMsg->intervalTime = htobe64(pQueryInfo->intervalTime);
   pQueryMsg->intervalTimeUnit = pQueryInfo->intervalTimeUnit;
   pQueryMsg->slidingTime = htobe64(pQueryInfo->nSlidingTime);
   
-  if (pQueryInfo->nAggTimeInterval < 0) {
-    tscError("%p illegal value of aggregation time interval in query msg: %ld", pSql, pQueryInfo->nAggTimeInterval);
+  if (pQueryInfo->intervalTime < 0) {
+    tscError("%p illegal value of aggregation time interval in query msg: %ld", pSql, pQueryInfo->intervalTime);
     return -1;
   }
 

src/client/src/tscSql.c

@@ -395,7 +395,7 @@ static void **doSetResultRowData(SSqlObj *pSql) {
     pRes->tsrow[i] = TSC_GET_RESPTR_BASE(pRes, pQueryInfo, i, pQueryInfo->order) + pRes->bytes[i] * pRes->row;
 
     // primary key column cannot be null in interval query, no need to check
-    if (i == 0 && pQueryInfo->nAggTimeInterval > 0) {
+    if (i == 0 && pQueryInfo->intervalTime > 0) {
       continue;
     }
 

src/client/src/tscStream.c

@@ -381,23 +381,23 @@ static void tscSetSlidingWindowInfo(SSqlObj *pSql, SSqlStream *pStream) {
   
   SQueryInfo* pQueryInfo = tscGetQueryInfoDetail(&pSql->cmd, 0);
   
-  if (pQueryInfo->nAggTimeInterval < minIntervalTime) {
+  if (pQueryInfo->intervalTime < minIntervalTime) {
     tscWarn("%p stream:%p, original sample interval:%ld too small, reset to:%" PRId64 "", pSql, pStream,
-            pQueryInfo->nAggTimeInterval, minIntervalTime);
-    pQueryInfo->nAggTimeInterval = minIntervalTime;
+            pQueryInfo->intervalTime, minIntervalTime);
+    pQueryInfo->intervalTime = minIntervalTime;
   }
 
-  pStream->interval = pQueryInfo->nAggTimeInterval;  // it shall be derived from sql string
+  pStream->interval = pQueryInfo->intervalTime;  // it shall be derived from sql string
 
   if (pQueryInfo->nSlidingTime == 0) {
-    pQueryInfo->nSlidingTime = pQueryInfo->nAggTimeInterval;
+    pQueryInfo->nSlidingTime = pQueryInfo->intervalTime;
   }
 
   int64_t minSlidingTime =
       (pStream->precision == TSDB_TIME_PRECISION_MICRO) ? tsMinSlidingTime * 1000L : tsMinSlidingTime;
 
   if (pQueryInfo->nSlidingTime == -1) {
-    pQueryInfo->nSlidingTime = pQueryInfo->nAggTimeInterval;
+    pQueryInfo->nSlidingTime = pQueryInfo->intervalTime;
   } else if (pQueryInfo->nSlidingTime < minSlidingTime) {
     tscWarn("%p stream:%p, original sliding value:%" PRId64 " too small, reset to:%" PRId64 "", pSql, pStream,
         pQueryInfo->nSlidingTime, minSlidingTime);
@@ -405,16 +405,16 @@ static void tscSetSlidingWindowInfo(SSqlObj *pSql, SSqlStream *pStream) {
     pQueryInfo->nSlidingTime = minSlidingTime;
   }
 
-  if (pQueryInfo->nSlidingTime > pQueryInfo->nAggTimeInterval) {
+  if (pQueryInfo->nSlidingTime > pQueryInfo->intervalTime) {
     tscWarn("%p stream:%p, sliding value:%" PRId64 " can not be larger than interval range, reset to:%" PRId64 "", pSql, pStream,
-            pQueryInfo->nSlidingTime, pQueryInfo->nAggTimeInterval);
+            pQueryInfo->nSlidingTime, pQueryInfo->intervalTime);
 
-    pQueryInfo->nSlidingTime = pQueryInfo->nAggTimeInterval;
+    pQueryInfo->nSlidingTime = pQueryInfo->intervalTime;
   }
 
   pStream->slidingTime = pQueryInfo->nSlidingTime;
   
-  pQueryInfo->nAggTimeInterval = 0; // clear the interval value to avoid the force time window split by query processor
+  pQueryInfo->intervalTime = 0; // clear the interval value to avoid the force time window split by query processor
   pQueryInfo->nSlidingTime = 0;
 }
 

src/inc/taosmsg.h

@@ -514,7 +514,7 @@ typedef struct {
   int16_t numOfCols;         // the number of columns will be load from vnode
   char    intervalTimeUnit;  // time interval type, for revisement of interval(1d)
 
-  int64_t nAggTimeInterval;  // time interval for aggregation, in million second
+  int64_t intervalTime;  // time interval for aggregation, in million second
   int64_t slidingTime;       // value for sliding window
   
   // tag schema, used to parse tag information in pSidExtInfo

src/inc/tresultBuf.h

@@ -14,7 +14,7 @@ typedef struct SIDList {
   int32_t* pData;
 } SIDList;
 
-typedef struct SQueryResultBuf {
+typedef struct SQueryDiskbasedResultBuf {
   int32_t  numOfRowsPerPage;
   int32_t  numOfPages;
   int64_t  totalBufSize;
@@ -27,7 +27,7 @@ typedef struct SQueryResultBuf {
   uint32_t numOfAllocGroupIds;  // number of allocated id list
   void*    idsTable;            // id hash table
   SIDList* list;                // for each id, there is a page id list
-} SQueryResultBuf;
+} SQueryDiskbasedResultBuf;
 
 /**
  * create disk-based result buffer
@@ -36,7 +36,7 @@ typedef struct SQueryResultBuf {
  * @param rowSize
  * @return
  */
-int32_t createResultBuf(SQueryResultBuf** pResultBuf, int32_t size, int32_t rowSize);
+int32_t createDiskbasedResultBuffer(SQueryDiskbasedResultBuf** pResultBuf, int32_t size, int32_t rowSize);
 
 /**
  *
@@ -45,14 +45,14 @@ int32_t createResultBuf(SQueryResultBuf** pResultBuf, int32_t size, int32_t rowS
  * @param pageId
  * @return
  */
-tFilePage* getNewDataBuf(SQueryResultBuf* pResultBuf, int32_t groupId, int32_t* pageId);
+tFilePage* getNewDataBuf(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId, int32_t* pageId);
 
 /**
  *
  * @param pResultBuf
  * @return
  */
-int32_t getNumOfRowsPerPage(SQueryResultBuf* pResultBuf);
+int32_t getNumOfRowsPerPage(SQueryDiskbasedResultBuf* pResultBuf);
 
 /**
  *
@@ -60,7 +60,7 @@ int32_t getNumOfRowsPerPage(SQueryResultBuf* pResultBuf);
  * @param groupId
  * @return
  */
-SIDList getDataBufPagesIdList(SQueryResultBuf* pResultBuf, int32_t groupId);
+SIDList getDataBufPagesIdList(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId);
 
 /**
  * get the specified buffer page by id
@@ -68,27 +68,27 @@ SIDList getDataBufPagesIdList(SQueryResultBuf* pResultBuf, int32_t groupId);
  * @param id
  * @return
  */
-tFilePage* getResultBufferPageById(SQueryResultBuf* pResultBuf, int32_t id);
+tFilePage* getResultBufferPageById(SQueryDiskbasedResultBuf* pResultBuf, int32_t id);
 
 /**
  * get the total buffer size in the format of disk file
  * @param pResultBuf
  * @return
  */
-int32_t getResBufSize(SQueryResultBuf* pResultBuf);
+int32_t getResBufSize(SQueryDiskbasedResultBuf* pResultBuf);
 
 /**
  * get the number of groups in the result buffer
  * @param pResultBuf
  * @return
  */
-int32_t getNumOfResultBufGroupId(SQueryResultBuf* pResultBuf);
+int32_t getNumOfResultBufGroupId(SQueryDiskbasedResultBuf* pResultBuf);
 
 /**
  * destroy result buffer
  * @param pResultBuf
  */
-void destroyResultBuf(SQueryResultBuf* pResultBuf);
+void destroyResultBuf(SQueryDiskbasedResultBuf* pResultBuf);
 
 /**
  *

src/system/detail/inc/vnode.h

@@ -259,7 +259,7 @@ typedef struct SQuery {
   int64_t     blockId;
   TSKEY       skey;
   TSKEY       ekey;
-  int64_t     nAggTimeInterval;
+  int64_t     intervalTime;
   int64_t     slidingTime;       // sliding time for sliding window query
   char        intervalTimeUnit;  // interval data type, used for daytime revise
   int8_t      precision;

src/system/detail/inc/vnodeQueryImpl.h

@@ -170,7 +170,7 @@ void disableFunctForSuppleScan(SQueryRuntimeEnv* pRuntimeEnv, int32_t order);
 void enableFunctForMasterScan(SQueryRuntimeEnv* pRuntimeEnv, int32_t order);
 
 int32_t mergeMetersResultToOneGroups(SMeterQuerySupportObj* pSupporter);
-void copyFromGroupBuf(SQInfo* pQInfo, SOutputRes* result);
+void copyFromGroupBuf(SQInfo* pQInfo, SWindowResult* result);
 
 SBlockInfo getBlockBasicInfo(SQueryRuntimeEnv* pRuntimeEnv, void* pBlock, int32_t blockType);
 SCacheBlock* getCacheDataBlock(SMeterObj* pMeterObj, SQueryRuntimeEnv* pRuntimeEnv, int32_t slot);
@@ -181,18 +181,20 @@ void queryOnBlock(SMeterQuerySupportObj* pSupporter, int64_t* primaryKeys, int32
 
 int32_t vnodeFilterQualifiedMeters(SQInfo *pQInfo, int32_t vid, tSidSet *pSidSet, SMeterDataInfo *pMeterDataInfo,
                                    int32_t *numOfMeters, SMeterDataInfo ***pReqMeterDataInfo);
-int32_t vnodeGetVnodeHeaderFileIdx(int32_t* fid, SQueryRuntimeEnv* pRuntimeEnv, int32_t order);
+int32_t vnodeGetVnodeHeaderFileIndex(int32_t* fid, SQueryRuntimeEnv* pRuntimeEnv, int32_t order);
 
 int32_t createDataBlocksInfoEx(SMeterDataInfo** pMeterDataInfo, int32_t numOfMeters,
                                SMeterDataBlockInfoEx** pDataBlockInfoEx, int32_t numOfCompBlocks,
                                int32_t* nAllocBlocksInfoSize, int64_t addr);
 void freeMeterBlockInfoEx(SMeterDataBlockInfoEx* pDataBlockInfoEx, int32_t len);
 
-void setExecutionContext(SMeterQuerySupportObj* pSupporter, SOutputRes* outputRes, int32_t meterIdx, int32_t groupIdx,
+void setExecutionContext(SMeterQuerySupportObj* pSupporter, SWindowResult* outputRes, int32_t meterIdx, int32_t groupIdx,
                          SMeterQueryInfo* sqinfo);
 int32_t setIntervalQueryExecutionContext(SMeterQuerySupportObj* pSupporter, int32_t meterIdx, SMeterQueryInfo* sqinfo);
+void doGetAlignedIntervalQueryRangeImpl(SQuery *pQuery, int64_t pKey, int64_t keyFirst, int64_t keyLast,
+                                        int64_t *actualSkey, int64_t *actualEkey, int64_t *skey, int64_t *ekey);
 
-int64_t getQueryStartPositionInCache(SQueryRuntimeEnv* pRuntimeEnv, int32_t* slot, int32_t* pos, bool ignoreQueryRange);
+  int64_t getQueryStartPositionInCache(SQueryRuntimeEnv* pRuntimeEnv, int32_t* slot, int32_t* pos, bool ignoreQueryRange);
 int64_t getNextAccessedKeyInData(SQuery* pQuery, int64_t* pPrimaryCol, SBlockInfo* pBlockInfo, int32_t blockStatus);
 
 int32_t getDataBlocksForMeters(SMeterQuerySupportObj* pSupporter, SQuery* pQuery, int32_t numOfMeters,
@@ -209,7 +211,7 @@ int32_t vnodeGetHeaderFile(SQueryRuntimeEnv *pRuntimeEnv, int32_t fileIndex);
  * @param ekey
  * @return
  */
-SMeterQueryInfo* createMeterQueryInfo(SQuery* pQuery, int32_t sid, TSKEY skey, TSKEY ekey);
+SMeterQueryInfo* createMeterQueryInfo(SMeterQuerySupportObj *pSupporter, int32_t sid, TSKEY skey, TSKEY ekey);
 
 /**
  * Destroy meter query info
@@ -224,7 +226,7 @@ void destroyMeterQueryInfo(SMeterQueryInfo *pMeterQueryInfo, int32_t numOfCols);
  * @param skey
  * @param ekey
  */
-void changeMeterQueryInfoForSuppleQuery(SQueryResultBuf* pResultBuf, SMeterQueryInfo *pMeterQueryInfo, TSKEY skey, TSKEY ekey);
+void changeMeterQueryInfoForSuppleQuery(SQueryDiskbasedResultBuf* pResultBuf, SMeterQueryInfo *pMeterQueryInfo, TSKEY skey, TSKEY ekey);
 
 /**
  * add the new allocated disk page to meter query info
@@ -276,14 +278,14 @@ void displayInterResult(SData** pdata, SQuery* pQuery, int32_t numOfRows);
 
 void vnodePrintQueryStatistics(SMeterQuerySupportObj* pSupporter);
 
-void clearGroupResultBuf(SQueryRuntimeEnv *pRuntimeEnv, SOutputRes *pOneOutputRes);
-void copyGroupResultBuf(SQueryRuntimeEnv *pRuntimeEnv, SOutputRes* dst, const SOutputRes* src);
+void clearGroupResultBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *pOneOutputRes);
+void copyGroupResultBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult* dst, const SWindowResult* src);
 
-void resetSlidingWindowInfo(SQueryRuntimeEnv *pRuntimeEnv, SSlidingWindowInfo* pSlidingWindowInfo);
+void resetSlidingWindowInfo(SQueryRuntimeEnv *pRuntimeEnv, SWindowResInfo* pWindowResInfo);
 void clearCompletedSlidingWindows(SQueryRuntimeEnv* pRuntimeEnv);
-int32_t numOfClosedSlidingWindow(SSlidingWindowInfo* pSlidingWindowInfo);
-void closeSlidingWindow(SSlidingWindowInfo* pSlidingWindowInfo, int32_t slot);
-void closeAllSlidingWindow(SSlidingWindowInfo* pSlidingWindowInfo);
+int32_t numOfClosedSlidingWindow(SWindowResInfo* pWindowResInfo);
+void closeSlidingWindow(SWindowResInfo* pWindowResInfo, int32_t slot);
+void closeAllSlidingWindow(SWindowResInfo* pWindowResInfo);
 
 #ifdef __cplusplus
 }

src/system/detail/inc/vnodeRead.h

@@ -86,16 +86,27 @@ typedef struct SQueryCostSummary {
 } SQueryCostSummary;
 
 typedef struct SPosInfo {
-  int64_t pageId;
-  int32_t rowId;
+  int16_t pageId;
+  int16_t rowId;
 } SPosInfo;
 
-typedef struct SOutputRes {
+typedef struct STimeWindow {
+  TSKEY skey;
+  TSKEY ekey;
+} STimeWindow;
+
+typedef struct SWindowStatus {
+  bool closed;
+} SWindowStatus;
+
+typedef struct SWindowResult {
   uint16_t     numOfRows;
-  int32_t      nAlloc;
-  SPosInfo     pos;
-  SResultInfo* resultInfo;
-} SOutputRes;
+  int16_t      nAlloc;
+  SPosInfo     pos;         // Position of current result in disk-based output buffer
+  SResultInfo* resultInfo;  // For each result column, there is a resultInfo
+  STimeWindow  window;      // The time window that current result covers.
+  SWindowStatus status;
+} SWindowResult;
 
 /*
  * header files info, avoid to iterate the directory, the data is acquired
@@ -118,19 +129,8 @@ typedef struct SQueryFilesInfo {
   char dbFilePathPrefix[PATH_MAX];
 } SQueryFilesInfo;
 
-typedef struct STimeWindow {
-  TSKEY skey;
-  TSKEY ekey;
-} STimeWindow;
-
-typedef struct SWindowStatus {
-  STimeWindow window;
-  bool closed;
-} SWindowStatus;
-
-typedef struct SSlidingWindowInfo {
-  SOutputRes*         pResult;    // reference to SQuerySupporter->pResult
-  SWindowStatus*      pStatus;    // current query window closed or not?
+typedef struct SWindowResInfo {
+  SWindowResult*      pResult;    // reference to SQuerySupporter->pResult
   void*               hashList;   // hash list for quick access
   int16_t             type;       // data type for hash key
   int32_t             capacity;   // max capacity
@@ -140,7 +140,7 @@ typedef struct SSlidingWindowInfo {
   int64_t             startTime;  // start time of the first time window for sliding query
   int64_t             prevSKey;   // previous (not completed) sliding window start key
   int64_t             threshold;  // threshold for return completed results.
-} SSlidingWindowInfo;
+} SWindowResInfo;
 
 typedef struct SQueryRuntimeEnv {
   SPositionInfo       startPos; /* the start position, used for secondary/third iteration */
@@ -165,7 +165,7 @@ typedef struct SQueryRuntimeEnv {
   SInterpolationInfo  interpoInfo;
   SData**             pInterpoBuf;
   
-  SSlidingWindowInfo  swindowResInfo;
+  SWindowResInfo      windowResInfo;
   
   STSBuf*             pTSBuf;
   STSCursor           cur;
@@ -181,7 +181,7 @@ typedef struct SQueryRuntimeEnv {
    */
   SCacheBlock         cacheBlock;
   
-  SQueryResultBuf*    pResultBuf;
+  SQueryDiskbasedResultBuf*    pResultBuf;   // query result buffer based on blocked-wised disk file
   bool                stableQuery;  // is super table query or not
 } SQueryRuntimeEnv;
 
@@ -197,8 +197,10 @@ typedef struct SMeterQueryInfo {
   int16_t      lastResRows;
   int64_t      tag;
   STSCursor    cur;
-  SResultInfo* resultInfo;
+  SWindowResult*  pWindowRes;
   int32_t      sid; // for retrieve the page id list
+  
+  SWindowResInfo windowResInfo;
 } SMeterQueryInfo;
 
 typedef struct SMeterDataInfo {
@@ -225,7 +227,7 @@ typedef struct SMeterQuerySupportObj {
    * rows may be generated by a specific subgroup. When query on all subgroups is executed,
    * the result is copy to output buffer. This attribution is not used during single meter query processing.
    */
-  SOutputRes*      pResult;
+//  SWindowResult*   pResult;
   SQueryRuntimeEnv runtimeEnv;
   int64_t          rawSKey;
   int64_t          rawEKey;

src/system/detail/src/vnodeQueryProcess.c

@@ -132,7 +132,7 @@ static void queryOnMultiDataCache(SQInfo *pQInfo, SMeterDataInfo *pMeterInfo) {
       pRuntimeEnv->pMeterObj = pMeterObj;
 
       if (pMeterInfo[k].pMeterQInfo == NULL) {
-        pMeterInfo[k].pMeterQInfo = createMeterQueryInfo(pQuery, pMeterObj->sid, pSupporter->rawSKey, pSupporter->rawEKey);
+        pMeterInfo[k].pMeterQInfo = createMeterQueryInfo(pSupporter, pMeterObj->sid, pSupporter->rawSKey, pSupporter->rawEKey);
       }
 
       if (pMeterInfo[k].pMeterObj == NULL) {  // no data in disk for this meter, set its pointer
@@ -154,7 +154,7 @@ static void queryOnMultiDataCache(SQInfo *pQInfo, SMeterDataInfo *pMeterInfo) {
       vnodeUpdateQueryColumnIndex(pQuery, pMeterObj);
       vnodeUpdateFilterColumnIndex(pQuery);
 
-      if (pQuery->nAggTimeInterval == 0) {
+      if (pQuery->intervalTime == 0) {
         if ((pQuery->lastKey > pQuery->ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
             (pQuery->lastKey < pQuery->ekey && !QUERY_IS_ASC_QUERY(pQuery))) {
           dTrace(
@@ -166,7 +166,7 @@ static void queryOnMultiDataCache(SQInfo *pQInfo, SMeterDataInfo *pMeterInfo) {
           continue;
         }
 
-        setExecutionContext(pSupporter, pSupporter->pResult, k, pMeterInfo[k].groupIdx, pMeterQueryInfo);
+        setExecutionContext(pSupporter, pRuntimeEnv->windowResInfo.pResult, k, pMeterInfo[k].groupIdx, pMeterQueryInfo);
       } else {
         int32_t ret = setIntervalQueryExecutionContext(pSupporter, k, pMeterQueryInfo);
         if (ret != TSDB_CODE_SUCCESS) {
@@ -291,7 +291,7 @@ static void queryOnMultiDataFiles(SQInfo *pQInfo, SMeterDataInfo *pMeterDataInfo
       break;
     }
 
-    int32_t fileIdx = vnodeGetVnodeHeaderFileIdx(&fid, pRuntimeEnv, pQuery->order.order);
+    int32_t fileIdx = vnodeGetVnodeHeaderFileIndex(&fid, pRuntimeEnv, pQuery->order.order);
     if (fileIdx < 0) {  // no valid file, abort current search
       break;
     }
@@ -398,7 +398,7 @@ static void queryOnMultiDataFiles(SQInfo *pQInfo, SMeterDataInfo *pMeterDataInfo
 
       restoreIntervalQueryRange(pRuntimeEnv, pMeterQueryInfo);
 
-      if (pQuery->nAggTimeInterval == 0) {  // normal query
+      if (pQuery->intervalTime == 0) {  // normal query
         if ((pQuery->lastKey > pQuery->ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
             (pQuery->lastKey < pQuery->ekey && !QUERY_IS_ASC_QUERY(pQuery))) {
           qTrace(
@@ -410,9 +410,9 @@ static void queryOnMultiDataFiles(SQInfo *pQInfo, SMeterDataInfo *pMeterDataInfo
           continue;
         }
 
-        setExecutionContext(pSupporter, pSupporter->pResult, pOneMeterDataInfo->meterOrderIdx,
+        setExecutionContext(pSupporter, pRuntimeEnv->windowResInfo.pResult, pOneMeterDataInfo->meterOrderIdx,
                             pOneMeterDataInfo->groupIdx, pMeterQueryInfo);
-      } else {  // interval query
+      } else if (pQuery->intervalTime > 0 && pQuery->slidingTime == -1){  // interval query
         ret = setIntervalQueryExecutionContext(pSupporter, pOneMeterDataInfo->meterOrderIdx, pMeterQueryInfo);
         if (ret != TSDB_CODE_SUCCESS) {
           tfree(pReqMeterDataInfo);  // error code has been set
@@ -431,12 +431,13 @@ static void queryOnMultiDataFiles(SQInfo *pQInfo, SMeterDataInfo *pMeterDataInfo
       }
 
       SBlockInfo binfo = getBlockBasicInfo(pRuntimeEnv, pBlock, BLK_FILE_BLOCK);
+      int64_t nextKey = -1;
       
       assert(pQuery->pos >= 0 && pQuery->pos < pBlock->numOfPoints);
       TSKEY *primaryKeys = (TSKEY *)pRuntimeEnv->primaryColBuffer->data;
 
       if (IS_DATA_BLOCK_LOADED(pRuntimeEnv->blockStatus) && needPrimaryTimestampCol(pQuery, &binfo)) {
-        TSKEY nextKey = primaryKeys[pQuery->pos];
+        nextKey = primaryKeys[pQuery->pos];
         if (!doCheckWithPrevQueryRange(pQInfo, nextKey, pOneMeterDataInfo)) {
           continue;
         }
@@ -446,6 +447,33 @@ static void queryOnMultiDataFiles(SQInfo *pQInfo, SMeterDataInfo *pMeterDataInfo
                (pBlock->keyFirst >= pQuery->ekey && pBlock->keyLast <= pQuery->lastKey && !QUERY_IS_ASC_QUERY(pQuery)));
       }
 
+      
+      if (pQuery->intervalTime > 0 && pQuery->slidingTime > 0) {
+        assert(pMeterQueryInfo->lastKey <= nextKey && QUERY_IS_ASC_QUERY(pQuery));
+        
+        pMeterQueryInfo->lastKey = nextKey;
+        pQuery->lastKey = nextKey;
+        if (pMeterQueryInfo->windowResInfo.prevSKey == 0) {
+          // normalize the window prev time window
+  
+          TSKEY skey1, ekey1;
+          TSKEY windowSKey = 0, windowEKey = 0;
+          TSKEY skey2 = MIN(pSupporter->rawSKey, pSupporter->rawEKey);
+          TSKEY ekey2 = MAX(pSupporter->rawSKey, pSupporter->rawEKey);
+          
+          doGetAlignedIntervalQueryRangeImpl(pQuery, nextKey, skey2, ekey2, &skey1, &ekey1, &windowSKey, &windowEKey);
+  
+          pMeterQueryInfo->windowResInfo.prevSKey = windowSKey;
+        }
+        
+        ret = setIntervalQueryExecutionContext(pSupporter, pOneMeterDataInfo->meterOrderIdx, pMeterQueryInfo);
+        if (ret != TSDB_CODE_SUCCESS) {
+          tfree(pReqMeterDataInfo);  // error code has been set
+          pQInfo->killed = 1;
+          return;
+        }
+      }
+      
       queryOnBlock(pSupporter, primaryKeys, pRuntimeEnv->blockStatus, &binfo, pOneMeterDataInfo, pInfoEx->pBlock.fields,
                    searchFn);
     }
@@ -670,7 +698,7 @@ static void vnodeSTableSeqProcessor(SQInfo *pQInfo) {
      * we need to return it to client in the first place.
      */
     if (pSupporter->subgroupIdx > 0) {
-      copyFromGroupBuf(pQInfo, pSupporter->pResult);
+      copyFromGroupBuf(pQInfo, pRuntimeEnv->windowResInfo.pResult);
       pQInfo->pointsRead += pQuery->pointsRead;
 
       if (pQuery->pointsRead > 0) {
@@ -683,7 +711,7 @@ static void vnodeSTableSeqProcessor(SQInfo *pQInfo) {
     }
   
     resetCtxOutputBuf(pRuntimeEnv);
-    resetSlidingWindowInfo(pRuntimeEnv, &pRuntimeEnv->swindowResInfo);
+    resetSlidingWindowInfo(pRuntimeEnv, &pRuntimeEnv->windowResInfo);
     
     while (pSupporter->meterIdx < pSupporter->numOfMeters) {
       int32_t k = pSupporter->meterIdx;
@@ -808,20 +836,21 @@ static void vnodeSTableSeqProcessor(SQInfo *pQInfo) {
 
   // todo refactor
   if (isGroupbyNormalCol(pQuery->pGroupbyExpr)) {
-    SSlidingWindowInfo* pSlidingWindowInfo = &pRuntimeEnv->swindowResInfo;
+    SWindowResInfo* pWindowResInfo = &pRuntimeEnv->windowResInfo;
   
-    for (int32_t i = 0; i < pSlidingWindowInfo->size; ++i) {
-      SOutputRes *buf = &pSlidingWindowInfo->pResult[i];
-      pSlidingWindowInfo->pStatus[i].closed = true;   // enable return all results for group by normal columns
+    for (int32_t i = 0; i < pWindowResInfo->size; ++i) {
+      SWindowStatus* pStatus = &pWindowResInfo->pResult[i].status;
+      pStatus->closed = true;   // enable return all results for group by normal columns
       
+      SWindowResult *pResult = &pWindowResInfo->pResult[i];
       for (int32_t j = 0; j < pQuery->numOfOutputCols; ++j) {
-        buf->numOfRows = MAX(buf->numOfRows, buf->resultInfo[j].numOfRes);
+        pResult->numOfRows = MAX(pResult->numOfRows, pResult->resultInfo[j].numOfRes);
       }
     }
 
     pQInfo->pMeterQuerySupporter->subgroupIdx = 0;
     pQuery->pointsRead = 0;
-    copyFromGroupBuf(pQInfo, pSlidingWindowInfo->pResult);
+    copyFromGroupBuf(pQInfo, pWindowResInfo->pResult);
   }
 
   pQInfo->pointsRead += pQuery->pointsRead;
@@ -858,7 +887,7 @@ static void doOrderedScan(SQInfo *pQInfo) {
 static void setupMeterQueryInfoForSupplementQuery(SMeterQuerySupportObj *pSupporter) {
   for (int32_t i = 0; i < pSupporter->numOfMeters; ++i) {
     SMeterQueryInfo *pMeterQueryInfo = pSupporter->pMeterDataInfo[i].pMeterQInfo;
-    SQueryResultBuf* pResultBuf = pSupporter->runtimeEnv.pResultBuf;
+    SQueryDiskbasedResultBuf* pResultBuf = pSupporter->runtimeEnv.pResultBuf;
     
     changeMeterQueryInfoForSuppleQuery(pResultBuf, pMeterQueryInfo, pSupporter->rawSKey, pSupporter->rawEKey);
   }
@@ -906,6 +935,7 @@ static void doMultiMeterSupplementaryScan(SQInfo *pQInfo) {
 
 static void vnodeMultiMeterQueryProcessor(SQInfo *pQInfo) {
   SMeterQuerySupportObj *pSupporter = pQInfo->pMeterQuerySupporter;
+  SQueryRuntimeEnv* pRuntimeEnv = &pSupporter->runtimeEnv;
   SQuery *               pQuery = &pQInfo->query;
 
   if (pSupporter->subgroupIdx > 0) {
@@ -913,14 +943,14 @@ static void vnodeMultiMeterQueryProcessor(SQInfo *pQInfo) {
      * if the subgroupIdx > 0, the query process must be completed yet, we only need to
      * copy the data into output buffer
      */
-    if (pQuery->nAggTimeInterval > 0) {
+    if (pQuery->intervalTime > 0) {
       copyResToQueryResultBuf(pSupporter, pQuery);
 
 #ifdef _DEBUG_VIEW
       displayInterResult(pQuery->sdata, pQuery, pQuery->sdata[0]->len);
 #endif
     } else {
-      copyFromGroupBuf(pQInfo, pSupporter->pResult);
+      copyFromGroupBuf(pQInfo, pRuntimeEnv->windowResInfo.pResult);
     }
 
     pQInfo->pointsRead += pQuery->pointsRead;
@@ -964,7 +994,7 @@ static void vnodeMultiMeterQueryProcessor(SQInfo *pQInfo) {
     return;
   }
 
-  if (pQuery->nAggTimeInterval > 0) {
+  if (pQuery->intervalTime > 0) {
     assert(pSupporter->subgroupIdx == 0 && pSupporter->numOfGroupResultPages == 0);
 
     if (mergeMetersResultToOneGroups(pSupporter) == TSDB_CODE_SUCCESS) {
@@ -975,7 +1005,7 @@ static void vnodeMultiMeterQueryProcessor(SQInfo *pQInfo) {
 #endif
     }
   } else {  // not a interval query
-    copyFromGroupBuf(pQInfo, pSupporter->pResult);
+    copyFromGroupBuf(pQInfo, pRuntimeEnv->windowResInfo.pResult);
   }
 
   // handle the limitation of output buffer
@@ -1178,10 +1208,10 @@ static void vnodeSingleTableIntervalProcessor(SQInfo *pQInfo) {
     }
   }
   
-  if (isGroupbyNormalCol(pQuery->pGroupbyExpr) || (pQuery->slidingTime > 0 && pQuery->nAggTimeInterval > 0)) {
+  if (isGroupbyNormalCol(pQuery->pGroupbyExpr) || (pQuery->slidingTime > 0 && pQuery->intervalTime > 0)) {
     pQInfo->pMeterQuerySupporter->subgroupIdx = 0;
     pQuery->pointsRead = 0;
-    copyFromGroupBuf(pQInfo, pRuntimeEnv->swindowResInfo.pResult);
+    copyFromGroupBuf(pQInfo, pRuntimeEnv->windowResInfo.pResult);
   }
 
   pQInfo->pointsRead += pQuery->pointsRead;
@@ -1252,7 +1282,7 @@ void vnodeSingleTableQuery(SSchedMsg *pMsg) {
     if (isGroupbyNormalCol(pQuery->pGroupbyExpr)) {
       pQuery->pointsRead = 0;
       if (pQInfo->pMeterQuerySupporter->subgroupIdx > 0) {
-        copyFromGroupBuf(pQInfo, pQInfo->pMeterQuerySupporter->pResult);
+        copyFromGroupBuf(pQInfo, pQInfo->pMeterQuerySupporter->runtimeEnv.windowResInfo.pResult);
         pQInfo->pointsRead += pQuery->pointsRead;
 
         if (pQuery->pointsRead > 0) {
@@ -1286,7 +1316,7 @@ void vnodeSingleTableQuery(SSchedMsg *pMsg) {
   int64_t st = taosGetTimestampUs();
 
   // group by normal column, sliding window query, interval query are handled by interval query processor
-  if (pQuery->nAggTimeInterval != 0 || isGroupbyNormalCol(pQuery->pGroupbyExpr)) {  // interval (down sampling operation)
+  if (pQuery->intervalTime != 0 || isGroupbyNormalCol(pQuery->pGroupbyExpr)) {  // interval (down sampling operation)
     assert(pQuery->checkBufferInLoop == 0 && pQuery->pointsOffset == pQuery->pointsToRead);
     vnodeSingleTableIntervalProcessor(pQInfo);
   } else {
@@ -1334,12 +1364,12 @@ void vnodeMultiMeterQuery(SSchedMsg *pMsg) {
   pQuery->pointsRead = 0;
 
   int64_t st = taosGetTimestampUs();
-  if (pQuery->nAggTimeInterval > 0 ||
+  if (pQuery->intervalTime > 0 ||
       (isFixedOutputQuery(pQuery) && (!isPointInterpoQuery(pQuery)) && !isGroupbyNormalCol(pQuery->pGroupbyExpr))) {
     assert(pQuery->checkBufferInLoop == 0);
     vnodeMultiMeterQueryProcessor(pQInfo);
   } else {
-    assert((pQuery->checkBufferInLoop == 1 && pQuery->nAggTimeInterval == 0) || isPointInterpoQuery(pQuery) ||
+    assert((pQuery->checkBufferInLoop == 1 && pQuery->intervalTime == 0) || isPointInterpoQuery(pQuery) ||
            isGroupbyNormalCol(pQuery->pGroupbyExpr));
 
     vnodeSTableSeqProcessor(pQInfo);

src/system/detail/src/vnodeRead.c

@@ -266,7 +266,7 @@ static SQInfo *vnodeAllocateQInfoEx(SQueryMeterMsg *pQueryMsg, SSqlGroupbyExpr *
   }
 
   pQuery->pGroupbyExpr = pGroupbyExpr;
-  pQuery->nAggTimeInterval = pQueryMsg->nAggTimeInterval;
+  pQuery->intervalTime = pQueryMsg->intervalTime;
   pQuery->slidingTime = pQueryMsg->slidingTime;
   pQuery->interpoType = pQueryMsg->interpoType;
   pQuery->intervalTimeUnit = pQueryMsg->intervalTimeUnit;
@@ -920,8 +920,8 @@ int vnodeSaveQueryResult(void *handle, char *data, int32_t *size) {
 }
 
 static int32_t validateQueryMeterMsg(SQueryMeterMsg *pQueryMsg) {
-  if (pQueryMsg->nAggTimeInterval < 0) {
-    dError("qmsg:%p illegal value of aggTimeInterval %" PRId64 "", pQueryMsg, pQueryMsg->nAggTimeInterval);
+  if (pQueryMsg->intervalTime < 0) {
+    dError("qmsg:%p illegal value of aggTimeInterval %" PRId64 "", pQueryMsg, pQueryMsg->intervalTime);
     return -1;
   }
 
@@ -975,7 +975,7 @@ int32_t vnodeConvertQueryMeterMsg(SQueryMeterMsg *pQueryMsg) {
 
   pQueryMsg->queryType = htons(pQueryMsg->queryType);
 
-  pQueryMsg->nAggTimeInterval = htobe64(pQueryMsg->nAggTimeInterval);
+  pQueryMsg->intervalTime = htobe64(pQueryMsg->intervalTime);
   pQueryMsg->slidingTime = htobe64(pQueryMsg->slidingTime);
   
   pQueryMsg->numOfTagsCols = htons(pQueryMsg->numOfTagsCols);
@@ -1146,7 +1146,7 @@ int32_t vnodeConvertQueryMeterMsg(SQueryMeterMsg *pQueryMsg) {
       "offset:%" PRId64,
       pQueryMsg, pQueryMsg->numOfSids, pQueryMsg->skey, pQueryMsg->ekey, pQueryMsg->numOfGroupCols,
       pQueryMsg->numOfTagsCols, pQueryMsg->order, pQueryMsg->orderType, pQueryMsg->orderByIdx,
-      pQueryMsg->numOfOutputCols, pQueryMsg->numOfCols, pQueryMsg->nAggTimeInterval, pQueryMsg->interpoType,
+      pQueryMsg->numOfOutputCols, pQueryMsg->numOfCols, pQueryMsg->intervalTime, pQueryMsg->interpoType,
       pQueryMsg->tsLen, pQueryMsg->limit, pQueryMsg->offset);
 
   return 0;

src/util/src/tresultBuf.c

@@ -7,8 +7,8 @@
 
 #define DEFAULT_INTERN_BUF_SIZE 16384L
 
-int32_t createResultBuf(SQueryResultBuf** pResultBuf, int32_t size, int32_t rowSize) {
-  SQueryResultBuf* pResBuf = calloc(1, sizeof(SQueryResultBuf));
+int32_t createDiskbasedResultBuffer(SQueryDiskbasedResultBuf** pResultBuf, int32_t size, int32_t rowSize) {
+  SQueryDiskbasedResultBuf* pResBuf = calloc(1, sizeof(SQueryDiskbasedResultBuf));
   pResBuf->numOfRowsPerPage = (DEFAULT_INTERN_BUF_SIZE - sizeof(tFilePage)) / rowSize;
   pResBuf->numOfPages = size;
 
@@ -50,17 +50,17 @@ int32_t createResultBuf(SQueryResultBuf** pResultBuf, int32_t size, int32_t rowS
   return TSDB_CODE_SUCCESS;
 }
 
-tFilePage* getResultBufferPageById(SQueryResultBuf* pResultBuf, int32_t id) {
+tFilePage* getResultBufferPageById(SQueryDiskbasedResultBuf* pResultBuf, int32_t id) {
   assert(id < pResultBuf->numOfPages && id >= 0);
 
   return (tFilePage*)(pResultBuf->pBuf + DEFAULT_INTERN_BUF_SIZE * id);
 }
 
-int32_t getNumOfResultBufGroupId(SQueryResultBuf* pResultBuf) { return taosNumElemsInHashTable(pResultBuf->idsTable); }
+int32_t getNumOfResultBufGroupId(SQueryDiskbasedResultBuf* pResultBuf) { return taosNumElemsInHashTable(pResultBuf->idsTable); }
 
-int32_t getResBufSize(SQueryResultBuf* pResultBuf) { return pResultBuf->totalBufSize; }
+int32_t getResBufSize(SQueryDiskbasedResultBuf* pResultBuf) { return pResultBuf->totalBufSize; }
 
-static int32_t extendDiskFileSize(SQueryResultBuf* pResultBuf, int32_t numOfPages) {
+static int32_t extendDiskFileSize(SQueryDiskbasedResultBuf* pResultBuf, int32_t numOfPages) {
   assert(pResultBuf->numOfPages * DEFAULT_INTERN_BUF_SIZE == pResultBuf->totalBufSize);
 
   int32_t ret = munmap(pResultBuf->pBuf, pResultBuf->totalBufSize);
@@ -88,11 +88,11 @@ static int32_t extendDiskFileSize(SQueryResultBuf* pResultBuf, int32_t numOfPage
   return TSDB_CODE_SUCCESS;
 }
 
-static bool noMoreAvailablePages(SQueryResultBuf* pResultBuf) {
+static bool noMoreAvailablePages(SQueryDiskbasedResultBuf* pResultBuf) {
   return (pResultBuf->allocateId == pResultBuf->numOfPages - 1);
 }
 
-static int32_t getGroupIndex(SQueryResultBuf* pResultBuf, int32_t groupId) {
+static int32_t getGroupIndex(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId) {
   assert(pResultBuf != NULL);
 
   char* p = taosGetDataFromHashTable(pResultBuf->idsTable, (const char*)&groupId, sizeof(int32_t));
@@ -106,7 +106,7 @@ static int32_t getGroupIndex(SQueryResultBuf* pResultBuf, int32_t groupId) {
   return slot;
 }
 
-static int32_t addNewGroupId(SQueryResultBuf* pResultBuf, int32_t groupId) {
+static int32_t addNewGroupId(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId) {
   int32_t num = getNumOfResultBufGroupId(pResultBuf); // the num is the newest allocated group id slot
 
   if (pResultBuf->numOfAllocGroupIds <= num) {
@@ -148,7 +148,7 @@ static int32_t doRegisterId(SIDList* pList, int32_t id) {
   return 0;
 }
 
-static void registerPageId(SQueryResultBuf* pResultBuf, int32_t groupId, int32_t pageId) {
+static void registerPageId(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId, int32_t pageId) {
   int32_t slot = getGroupIndex(pResultBuf, groupId);
   if (slot < 0) {
     slot = addNewGroupId(pResultBuf, groupId);
@@ -158,7 +158,7 @@ static void registerPageId(SQueryResultBuf* pResultBuf, int32_t groupId, int32_t
   doRegisterId(pList, pageId);
 }
 
-tFilePage* getNewDataBuf(SQueryResultBuf* pResultBuf, int32_t groupId, int32_t* pageId) {
+tFilePage* getNewDataBuf(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId, int32_t* pageId) {
   if (noMoreAvailablePages(pResultBuf)) {
     if (extendDiskFileSize(pResultBuf, pResultBuf->incStep) != TSDB_CODE_SUCCESS) {
       return NULL;
@@ -177,9 +177,9 @@ tFilePage* getNewDataBuf(SQueryResultBuf* pResultBuf, int32_t groupId, int32_t*
   return page;
 }
 
-int32_t getNumOfRowsPerPage(SQueryResultBuf* pResultBuf) { return pResultBuf->numOfRowsPerPage; }
+int32_t getNumOfRowsPerPage(SQueryDiskbasedResultBuf* pResultBuf) { return pResultBuf->numOfRowsPerPage; }
 
-SIDList getDataBufPagesIdList(SQueryResultBuf* pResultBuf, int32_t groupId) {
+SIDList getDataBufPagesIdList(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId) {
   SIDList list = {0};
   int32_t slot = getGroupIndex(pResultBuf, groupId);
   if (slot < 0) {
@@ -189,7 +189,7 @@ SIDList getDataBufPagesIdList(SQueryResultBuf* pResultBuf, int32_t groupId) {
   }
 }
 
-void destroyResultBuf(SQueryResultBuf* pResultBuf) {
+void destroyResultBuf(SQueryDiskbasedResultBuf* pResultBuf) {
   if (pResultBuf == NULL) {
     return;
   }