enh: group by tbname optimize

This commit is contained in:
Xiaoyu Wang 2022-11-24 10:43:54 +08:00
parent 2d86f8e91c
commit 7a88018b2a
1 changed files with 4 additions and 4 deletions

View File

@ -167,18 +167,18 @@ static int32_t cloneRewriteExprs(SNodeList* pExprs, bool* pOutputs, SNodeList**
}
static int32_t rewriteExprsForSelect(SNodeList* pExprs, SSelectStmt* pSelect, ESqlClause clause,
SNodeList** pRewriteExpr) {
SNodeList** pRewriteExprs) {
nodesWalkExprs(pExprs, doNameExpr, NULL);
SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs, .pOutputs = NULL};
if (NULL != pRewriteExpr) {
if (NULL != pRewriteExprs) {
cxt.pOutputs = taosMemoryCalloc(LIST_LENGTH(pExprs), sizeof(bool));
if (NULL == cxt.pOutputs) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
nodesRewriteSelectStmt(pSelect, clause, doRewriteExpr, &cxt);
if (TSDB_CODE_SUCCESS == cxt.errCode && NULL != pRewriteExpr) {
cxt.errCode = cloneRewriteExprs(pExprs, cxt.pOutputs, pRewriteExpr);
if (TSDB_CODE_SUCCESS == cxt.errCode && NULL != pRewriteExprs) {
cxt.errCode = cloneRewriteExprs(pExprs, cxt.pOutputs, pRewriteExprs);
}
taosMemoryFree(cxt.pOutputs);
return cxt.errCode;