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Merge pull request #19044 from taosdata/feature/3_liaohj 

fix(query): check for buffer in first/last merge.
This commit is contained in:
Shengliang Guan 2022-12-20 21:53:07 +08:00 committed by GitHub
parent 5d49e4f555 5c534d77d9
commit a4301cc962
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 12 deletions
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31
source/libs/function/src/builtinsimpl.c
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@ -1995,6 +1995,22 @@ static FORCE_INLINE TSKEY getRowPTs(SColumnInfoData* pTsColInfo, int32_t rowInde
return *(TSKEY*)colDataGetData(pTsColInfo, rowIndex);
}
static void prepareBuf(SqlFunctionCtx* pCtx) {
if (pCtx->subsidiaries.rowLen == 0) {
int32_t rowLen = 0;
for (int32_t j = 0; j < pCtx->subsidiaries.num; ++j) {
SqlFunctionCtx* pc = pCtx->subsidiaries.pCtx[j];
rowLen += pc->pExpr->base.resSchema.bytes;
}
pCtx->subsidiaries.rowLen = rowLen + pCtx->subsidiaries.num * sizeof(bool);
pCtx->subsidiaries.buf = taosMemoryMalloc(pCtx->subsidiaries.rowLen);
}
ASSERT(pCtx->subsidiaries.buf != NULL);
ASSERT(pCtx->subsidiaries.rowLen > 0);
}
static void firstlastSaveTupleData(const SSDataBlock* pSrcBlock, int32_t rowIndex, SqlFunctionCtx* pCtx,
SFirstLastRes* pInfo) {
if (pCtx->subsidiaries.num <= 0) {
@ -2003,8 +2019,6 @@ static void firstlastSaveTupleData(const SSDataBlock* pSrcBlock, int32_t rowInde
if (!pInfo->hasResult) {
pInfo->pos = saveTupleData(pCtx, rowIndex, pSrcBlock, NULL);
ASSERT(pCtx->subsidiaries.buf != NULL);
ASSERT(pCtx->subsidiaries.rowLen > 0);
} else {
updateTupleData(pCtx, rowIndex, pSrcBlock, &pInfo->pos);
}
@ -2960,16 +2974,7 @@ static STuplePos doSaveTupleData(SSerializeDataHandle* pHandle, const void* pBuf
}
STuplePos saveTupleData(SqlFunctionCtx* pCtx, int32_t rowIndex, const SSDataBlock* pSrcBlock, const STupleKey* pKey) {
if (pCtx->subsidiaries.rowLen == 0) {
int32_t rowLen = 0;
for (int32_t j = 0; j < pCtx->subsidiaries.num; ++j) {
SqlFunctionCtx* pc = pCtx->subsidiaries.pCtx[j];
rowLen += pc->pExpr->base.resSchema.bytes;
}
pCtx->subsidiaries.rowLen = rowLen + pCtx->subsidiaries.num * sizeof(bool);
pCtx->subsidiaries.buf = taosMemoryMalloc(pCtx->subsidiaries.rowLen);
}
prepareBuf(pCtx);
char* buf = serializeTupleData(pSrcBlock, rowIndex, &pCtx->subsidiaries, pCtx->subsidiaries.buf);
return doSaveTupleData(&pCtx->saveHandle, buf, pCtx->subsidiaries.rowLen, pKey);
@ -2989,6 +2994,8 @@ static int32_t doUpdateTupleData(SSerializeDataHandle* pHandle, const void* pBuf
}
int32_t updateTupleData(SqlFunctionCtx* pCtx, int32_t rowIndex, const SSDataBlock* pSrcBlock, STuplePos* pPos) {
prepareBuf(pCtx);
char* buf = serializeTupleData(pSrcBlock, rowIndex, &pCtx->subsidiaries, pCtx->subsidiaries.buf);
doUpdateTupleData(&pCtx->saveHandle, buf, pCtx->subsidiaries.rowLen, pPos);
return TSDB_CODE_SUCCESS;