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Merge pull request #13688 from taosdata/feature/3_liaohj 

fix(query): fix invalid write.
This commit is contained in:
Haojun Liao 2022-06-11 14:50:35 +08:00 committed by GitHub
parent f2a2e14d52 94c8ca1e06
commit a80529e810
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 29 deletions
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6
source/common/src/tdatablock.c
View File

@ -294,7 +294,7 @@ int32_t colDataMergeCol(SColumnInfoData* pColumnInfoData, uint32_t numOfRow1, in
int32_t colDataAssign(SColumnInfoData* pColumnInfoData, const SColumnInfoData* pSource, int32_t numOfRows) {
ASSERT(pColumnInfoData != NULL && pSource != NULL && pColumnInfoData->info.type == pSource->info.type);
if (numOfRows == 0) {
if (numOfRows <= 0) {
return numOfRows;
}
@ -322,6 +322,7 @@ int32_t colDataAssign(SColumnInfoData* pColumnInfoData, const SColumnInfoData* p
pColumnInfoData->varmeta.length = pSource->varmeta.length;
} else {
char* tmp = taosMemoryRealloc(pColumnInfoData->nullbitmap, BitmapLen(numOfRows));
printf("----------------%d\n", BitmapLen(numOfRows));
if (tmp == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
@ -1239,6 +1240,9 @@ SSDataBlock* createOneDataBlock(const SSDataBlock* pDataBlock, bool copyData) {
return NULL;
}
if (pSrc->pData == NULL) {
continue;
}
colDataAssign(pDst, pSrc, pDataBlock->info.rows);
}

38
source/libs/executor/src/executorimpl.c
View File

@ -1819,7 +1819,7 @@ void setResultRowInitCtx(SResultRow* pResult, SqlFunctionCtx* pCtx, int32_t numO
}
}
static void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep, bool needFree);
static void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep);
void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock, bool needFree) {
if (pFilterNode == NULL) {
@ -1840,30 +1840,29 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock, bool needFree) {
bool keep = filterExecute(filter, pBlock, &rowRes, NULL, param1.numOfCols);
filterFreeInfo(filter);
extractQualifiedTupleByFilterResult(pBlock, rowRes, keep, needFree);
extractQualifiedTupleByFilterResult(pBlock, rowRes, keep);
blockDataUpdateTsWindow(pBlock, 0);
}
void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep, bool needFree) {
void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowRes, bool keep) {
if (keep) {
return;
}
if (rowRes != NULL) {
SSDataBlock* px = createOneDataBlock(pBlock, false);
blockDataEnsureCapacity(px, pBlock->info.rows);
SSDataBlock* px = createOneDataBlock(pBlock, true);
int32_t totalRows = pBlock->info.rows;
for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
SColumnInfoData* pDst = taosArrayGet(px->pDataBlock, i);
SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, i);
SColumnInfoData* pSrc = taosArrayGet(px->pDataBlock, i);
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, i);
// it is a reserved column for scalar function, and no data in this column yet.
if (pSrc->pData == NULL) {
if (pDst->pData == NULL) {
continue;
}
colInfoDataCleanup(pDst, pBlock->info.rows);
int32_t numOfRows = 0;
for (int32_t j = 0; j < totalRows; ++j) {
if (rowRes[j] == 0) {
@ -1883,20 +1882,8 @@ void extractQualifiedTupleByFilterResult(SSDataBlock* pBlock, const int8_t* rowR
} else {
ASSERT(pBlock->info.rows == numOfRows);
}
SColumnInfoData tmp = *pSrc;
*pSrc = *pDst;
*pDst = tmp;
if (!needFree) {
if (IS_VAR_DATA_TYPE(pDst->info.type)) { // this elements do not need free
pDst->varmeta.offset = NULL;
} else {
pDst->nullbitmap = NULL;
}
pDst->pData = NULL;
}
}
blockDataDestroy(px); // fix memory leak
} else {
// do nothing
@ -2137,11 +2124,6 @@ static int32_t compressQueryColData(SColumnInfoData* pColRes, int32_t numOfRows,
}
int32_t doFillTimeIntervalGapsInResults(struct SFillInfo* pFillInfo, SSDataBlock* pBlock, int32_t capacity) {
// for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
// SColumnInfoData* pColInfoData = taosArrayGet(pOutput->pDataBlock, i);
// p[i] = pColInfoData->pData + (pColInfoData->info.bytes * pOutput->info.rows);
// }
int32_t numOfRows = (int32_t)taosFillResultDataBlock(pFillInfo, pBlock, capacity - pBlock->info.rows);
pBlock->info.rows += numOfRows;