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bugfix

This commit is contained in:
Xiaoyu Wang 2022-03-26 22:02:12 -04:00
parent bef5d75dac
commit de102d04e6
1 changed files with 5 additions and 4 deletions
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9
source/libs/parser/src/parTranslater.c
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@ -1800,7 +1800,7 @@ static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode) {
}
int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) {
if (QUERY_NODE_SELECT_STMT == nodeType(pRoot)) {
if (NULL != pRoot && QUERY_NODE_SELECT_STMT == nodeType(pRoot)) {
SSelectStmt* pSelect = (SSelectStmt*) pRoot;
*numOfCols = LIST_LENGTH(pSelect->pProjectionList);
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
@ -2400,13 +2400,14 @@ static int32_t rewriteQuery(STranslateContext* pCxt, SQuery* pQuery) {
}
static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
int32_t code = TSDB_CODE_SUCCESS;
switch (nodeType(pQuery->pRoot)) {
case QUERY_NODE_SELECT_STMT:
pQuery->haveResultSet = true;
pQuery->directRpc = false;
pQuery->msgType = TDMT_VND_QUERY;
code = qExtractResultSchema(pQuery->pRoot, &pQuery->numOfResCols, &pQuery->pResSchema);
if (TSDB_CODE_SUCCESS != qExtractResultSchema(pQuery->pRoot, &pQuery->numOfResCols, &pQuery->pResSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
break;
case QUERY_NODE_VNODE_MODIF_STMT:
pQuery->haveResultSet = false;
@ -2446,7 +2447,7 @@ static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
}
}
return code;
return TSDB_CODE_SUCCESS;
}
int32_t doTranslate(SParseContext* pParseCxt, SQuery* pQuery) {