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Merge pull request #18450 from taosdata/fix/liao_cov 

fix(query): check for null ptr before extracting info
This commit is contained in:
Shengliang Guan 2022-11-25 13:36:37 +08:00 committed by GitHub
parent b138a30ebd b39153101a
commit 397a92ee56
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 11 deletions
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9
source/libs/executor/src/sortoperator.c
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@ -732,12 +732,13 @@ void destroyMultiwayMergeOperatorInfo(void* param) {
int32_t getMultiwayMergeExplainExecInfo(SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len) {
ASSERT(pOptr != NULL);
SSortExecInfo* pInfo = taosMemoryCalloc(1, sizeof(SSortExecInfo));
SSortExecInfo* pSortExecInfo = taosMemoryCalloc(1, sizeof(SSortExecInfo));
SMultiwayMergeOperatorInfo* pOperatorInfo = (SMultiwayMergeOperatorInfo*)pOptr->info;
SMultiwayMergeOperatorInfo* pInfo = (SMultiwayMergeOperatorInfo*)pOptr->info;
*pSortExecInfo = tsortGetSortExecInfo(pInfo->pSortHandle);
*pOptrExplain = pSortExecInfo;
*pInfo = tsortGetSortExecInfo(pOperatorInfo->pSortHandle);
*pOptrExplain = pInfo;
*len = sizeof(SSortExecInfo);
return TSDB_CODE_SUCCESS;
}

19
source/libs/executor/src/tsort.c
View File

@ -831,14 +831,19 @@ uint64_t tsortGetGroupId(STupleHandle* pVHandle) { return pVHandle->pBlock->info
SSortExecInfo tsortGetSortExecInfo(SSortHandle* pHandle) {
SSortExecInfo info = {0};
info.sortBuffer = pHandle->pageSize * pHandle->numOfPages;
info.sortMethod = pHandle->inMemSort ? SORT_QSORT_T : SORT_SPILLED_MERGE_SORT_T;
info.loops = pHandle->loops;
if (pHandle == NULL) {
info.sortMethod = SORT_QSORT_T; // by default
info.sortBuffer = 2 * 1048576; // 2mb by default
} else {
info.sortBuffer = pHandle->pageSize * pHandle->numOfPages;
info.sortMethod = pHandle->inMemSort ? SORT_QSORT_T : SORT_SPILLED_MERGE_SORT_T;
info.loops = pHandle->loops;
if (pHandle->pBuf != NULL) {
SDiskbasedBufStatis st = getDBufStatis(pHandle->pBuf);
info.writeBytes = st.flushBytes;
info.readBytes = st.loadBytes;
if (pHandle->pBuf != NULL) {
SDiskbasedBufStatis st = getDBufStatis(pHandle->pBuf);
info.writeBytes = st.flushBytes;
info.readBytes = st.loadBytes;
}
}
return info;