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fix: check ret value of lseek

This commit is contained in:
slzhou 2024-02-28 14:29:30 +08:00
parent 4474fcdd69
commit 67559afcae
1 changed files with 5 additions and 7 deletions
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12
source/libs/executor/src/tsort.c
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@ -1035,7 +1035,7 @@ static int32_t getPageFromExtMemFile(SSortHandle* pHandle, int32_t pageId, char*
}
{
int64_t ret = taosLSeekFile(pMemFile->pTdFile, ((int64_t)pageId) * pMemFile->pageSize, SEEK_SET);
if (ret == 0) {
if (ret >= 0) {
ret = taosReadFile(pMemFile->pTdFile, pEntry->data, pMemFile->pageSize);
}
if (ret != pMemFile->pageSize) {
@ -1154,7 +1154,7 @@ static int32_t saveBlockRowToExtRowsMemFile(SSortHandle* pHandle, SSDataBlock* p
if (pMemFile->currPageId - pMemFile->startPageId >= pMemFile->numWritePages) {
int64_t ret = taosLSeekFile(pMemFile->pTdFile, ((int64_t)pMemFile->startPageId) * pMemFile->pageSize, SEEK_SET);
if (ret == 0) {
if (ret >= 0) {
ret = taosWriteFile(pMemFile->pTdFile, pMemFile->writePageBuf, pMemFile->pageSize * pMemFile->numWritePages);
}
if (ret != pMemFile->pageSize * pMemFile->numWritePages) {
@ -1183,8 +1183,8 @@ static int32_t saveDirtyPagesToExtRowsMemFile(SSortHandle* pHandle) {
return TSDB_CODE_SUCCESS;
}
int64_t ret = taosLSeekFile(pMemFile->pTdFile, ((int64_t)pMemFile->startPageId) * pMemFile->pageSize, SEEK_SET);
int32_t numWriteBytes = pMemFile->pageSize * (pMemFile->currPageId - pMemFile->startPageId) + pMemFile->currPageOffset + 1;
if (ret == 0) {
int32_t numWriteBytes = pMemFile->pageSize * (pMemFile->currPageId - pMemFile->startPageId + 1);
if (ret >= 0) {
ret = taosWriteFile(pMemFile->pTdFile, pMemFile->writePageBuf, numWriteBytes);
}
if (ret != numWriteBytes) {
@ -1460,9 +1460,6 @@ static int32_t sortBlocksToExtSource(SSortHandle* pHandle, SArray* aBlk, SArray*
}
blockDataCleanup(pHandle->pDataBlock);
}
if (pHandle->bSortByRowId) {
saveDirtyPagesToExtRowsMemFile(pHandle);
}
SSDataBlock* pMemSrcBlk = createOneDataBlock(pHandle->pDataBlock, false);
doAddNewExternalMemSource(pHandle->pBuf, aExtSrc, pMemSrcBlk, &pHandle->sourceId, aPgId);
@ -1631,6 +1628,7 @@ static int32_t createBlocksMergeSortInitialSources(SSortHandle* pHandle) {
taosArrayDestroy(aExtSrc);
tSimpleHashCleanup(mTableNumRows);
if (pHandle->bSortByRowId) {
saveDirtyPagesToExtRowsMemFile(pHandle);
freeExtRowMemFileWriteBuf(pHandle);
}
pHandle->type = SORT_SINGLESOURCE_SORT;