hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

fix user variable not do eval

Browse Source
This commit is contained in:
jh0
2022-04-01 16:52:17 +08:00
committed by LINxiansheng
parent 6cdf0345c6
commit b9fc792163
5 changed files with 34 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/sql/engine/subquery/ob_subplan_scan_op.cpp
View File

@ -55,6 +55,18 @@ int ObSubPlanScanOp::inner_get_next_row()
LOG_WARN("get row from child failed", K(ret));
}
} else {
// eval child's output expr
// For some expression in the subquery, we must eval, even if it not output.
// e.g.
// select 1 from (select @a=3);
for (int64_t i = 0; OB_SUCC(ret) && i < child_->get_spec().output_.count(); i++) {
ObExpr *expr = child_->get_spec().output_[i];
ObDatum *datum = NULL;
if (OB_FAIL(expr->eval(eval_ctx_, datum))) {
LOG_WARN("expr evaluate failed", K(ret), K(*expr));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < MY_SPEC.projector_.count(); i += 2) {
ObExpr* from = MY_SPEC.projector_[i];
ObExpr* to = MY_SPEC.projector_[i + 1];