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fix: fix: after the last_row cache is created, modify the schema and query again, resulting in taosd crash

This commit is contained in:
Xiaoyu Wang 2023-03-07 16:25:46 +08:00
parent 8e6534d9f3
commit ab5cce806c
1 changed files with 6 additions and 1 deletions
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7
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
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@ -80,7 +80,12 @@ static int32_t saveOneRow(SArray* pRow, SSDataBlock* pBlock, SCacheRowsReader* p
SLastCol* pColVal = (SLastCol*)taosArrayGet(pRow, 0);
colDataSetVal(pColInfoData, numOfRows, (const char*)&pColVal->ts, false);
} else {
int32_t slotId = slotIds[i];
int32_t slotId = slotIds[i];
// add check for null value, caused by the modification of table schema (new column added).
if (slotId >= taosArrayGetSize(pRow)) {
colDataSetNULL(pColInfoData, numOfRows);
continue;
}
SLastCol* pColVal = (SLastCol*)taosArrayGet(pRow, slotId);
SColVal* pVal = &pColVal->colVal;