fix bug #929.[TBASE-1349]

src/system/detail/inc/vnode.h

@@ -267,9 +267,7 @@ typedef struct SQuery {
   int16_t     checkBufferInLoop;  // check if the buffer is full during scan each block
   SLimitVal   limit;
   int32_t     rowSize;
-  int32_t     dataRowSize;  // row size of each loaded data from disk, the value is
 
-  // used for prepare buffer
   SSqlGroupbyExpr *        pGroupbyExpr;
   SSqlFunctionExpr *       pSelectExpr;
   SColumnInfoEx *          colList;

src/system/detail/inc/vnodeRead.h

@@ -40,6 +40,7 @@ typedef struct SQueryLoadBlockInfo {
   int32_t fileId;
   int32_t slotIdx;
   int32_t sid;
+  bool    tsLoaded;      // if timestamp column of current block is loaded or not
 } SQueryLoadBlockInfo;
 
 typedef struct SQueryLoadCompBlockInfo {

src/system/detail/src/vnodeRead.c

@@ -193,8 +193,6 @@ static SQInfo *vnodeAllocateQInfoCommon(SQueryMeterMsg *pQueryMsg, SMeterObj *pM
     } else {
       pQuery->colList[i].data.filters = NULL;
     }
-
-    pQuery->dataRowSize += colList[i].bytes;
   }
 
   vnodeUpdateQueryColumnIndex(pQuery, pMeterObj);