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Merge pull request #20301 from taosdata/fix/main_bugfix_wxy 

fix: insert data crash after empty table last_row cache
This commit is contained in:
Shengliang Guan 2023-03-07 18:08:23 +08:00 committed by GitHub
parent 0874b71bf2 ab5cce806c
commit 4ea87deef7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 4 deletions
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3
source/dnode/vnode/src/tsdb/tsdbCache.c
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@ -257,9 +257,6 @@ int32_t tsdbCacheInsertLastrow(SLRUCache *pCache, STsdb *pTsdb, tb_uid_t uid, TS
SLastCol lastCol = {.ts = keyTs, .colVal = colVal};
if (IS_VAR_DATA_TYPE(colVal.type) && colVal.value.nData > 0) {
SLastCol *pLastCol = (SLastCol *)taosArrayGet(pLast, iCol);
taosMemoryFree(pLastCol->colVal.value.pData);
lastCol.colVal.value.pData = taosMemoryMalloc(colVal.value.nData);
if (lastCol.colVal.value.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;

7
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
View File

@ -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;