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fix(query): fix taosd crashed when using first(col+null) 

TD-17381
This commit is contained in:
Ganlin Zhao 2022-07-18 17:29:40 +08:00
parent 670b8c926b
commit 1ab22f9d9e
1 changed files with 2 additions and 2 deletions
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4
source/common/src/tdatablock.c
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@ -228,7 +228,7 @@ int32_t colDataMergeCol(SColumnInfoData* pColumnInfoData, uint32_t numOfRow1, ui
uint32_t finalNumOfRows = numOfRow1 + numOfRow2;
if (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) {
// Handle the bitmap
if (finalNumOfRows > *capacity || numOfRow1 == 0) {
if (finalNumOfRows > *capacity || (numOfRow1 == 0 && pColumnInfoData->info.bytes != 0)) {
char* p = taosMemoryRealloc(pColumnInfoData->varmeta.offset, sizeof(int32_t) * (numOfRow1 + numOfRow2));
if (p == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
@ -262,7 +262,7 @@ int32_t colDataMergeCol(SColumnInfoData* pColumnInfoData, uint32_t numOfRow1, ui
memcpy(pColumnInfoData->pData + oldLen, pSource->pData, len);
pColumnInfoData->varmeta.length = len + oldLen;
} else {
if (finalNumOfRows > *capacity || numOfRow1 == 0) {
if (finalNumOfRows > *capacity || (numOfRow1 == 0 && pColumnInfoData->info.bytes != 0)) {
ASSERT(finalNumOfRows * pColumnInfoData->info.bytes);
char* tmp = taosMemoryRealloc(pColumnInfoData->pData, finalNumOfRows * pColumnInfoData->info.bytes);
if (tmp == NULL) {