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fix(query): add null pointer check.

This commit is contained in:
Haojun Liao 2022-06-16 13:53:02 +08:00
parent 102fdf2916
commit 75e0eaa53f
1 changed files with 6 additions and 1 deletions
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7
source/libs/executor/src/tsort.c
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@ -204,7 +204,12 @@ static int32_t sortComparInit(SMsortComparParam* cmpParam, SArray* pSources, int
if (pHandle->type == SORT_SINGLESOURCE_SORT) { if (pHandle->type == SORT_SINGLESOURCE_SORT) {
for (int32_t i = 0; i < cmpParam->numOfSources; ++i) { for (int32_t i = 0; i < cmpParam->numOfSources; ++i) {
SSortSource* pSource = cmpParam->pSources[i]; SSortSource* pSource = cmpParam->pSources[i];
SPageInfo* pPgInfo = *(SPageInfo**)taosArrayGet(pSource->pageIdList, pSource->pageIndex);
if (taosArrayGetSize(pSource->pageIdList) == 0) {
return TSDB_CODE_SUCCESS;
}
SPageInfo* pPgInfo = *(SPageInfo**)taosArrayGet(pSource->pageIdList, pSource->pageIndex);
void* pPage = getBufPage(pHandle->pBuf, getPageId(pPgInfo)); void* pPage = getBufPage(pHandle->pBuf, getPageId(pPgInfo));
code = blockDataFromBuf(pSource->src.pBlock, pPage); code = blockDataFromBuf(pSource->src.pBlock, pPage);