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[td-11818] Fix memory leak.

This commit is contained in:
Haojun Liao 2022-01-24 11:53:10 +08:00
parent 0f9d860d4e
commit 1f16647c97
1 changed files with 7 additions and 5 deletions
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12
source/libs/planner/src/planner.c
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@ -91,16 +91,18 @@ int32_t qCreateQueryDag(const struct SQueryNode* pNode, struct SQueryDag** pDag,
return TSDB_CODE_SUCCESS; return TSDB_CODE_SUCCESS;
} }
void extractResSchema(struct SQueryDag* const* pDag, SSchema** pResSchema, // extract the final result schema
int32_t* numOfCols) { // extract the final result schema void extractResSchema(struct SQueryDag* const* pDag, SSchema** pResSchema, int32_t* numOfCols) {
SArray* pTopSubplan = taosArrayGetP((*pDag)->pSubplans, 0); SArray* pTopSubplan = taosArrayGetP((*pDag)->pSubplans, 0);
SSubplan* pPlan = taosArrayGetP(pTopSubplan, 0); SSubplan* pPlan = taosArrayGetP(pTopSubplan, 0);
SDataBlockSchema* pDataBlockSchema = &(pPlan->pDataSink->schema); SDataBlockSchema* pDataBlockSchema = &(pPlan->pDataSink->schema);
*numOfCols = pDataBlockSchema->numOfCols; *numOfCols = pDataBlockSchema->numOfCols;
*pResSchema = calloc(pDataBlockSchema->numOfCols, sizeof(SSchema)); if (*numOfCols > 0) {
memcpy((*pResSchema), pDataBlockSchema->pSchema, pDataBlockSchema->numOfCols * sizeof(SSchema)); *pResSchema = calloc(pDataBlockSchema->numOfCols, sizeof(SSchema));
memcpy((*pResSchema), pDataBlockSchema->pSchema, pDataBlockSchema->numOfCols * sizeof(SSchema));
}
} }
void qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SDownstreamSource* pSource) { void qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SDownstreamSource* pSource) {