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[CP] fix core caused by incorrect predicate move around

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obdev 2022-10-03 20:32:51 +00:00 committed by wangzelin.wzl
parent e2fa173dd6
commit 36f843f3f1
1 changed files with 22 additions and 2 deletions
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24
src/sql/rewrite/ob_transform_full_outer_join.cpp
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@ -524,9 +524,29 @@ int ObTransformFullOuterJoin::create_select_items_for_semi_join(ObDMLStmt* stmt,
if (OB_FAIL(select_item.deep_copy(*ctx_->expr_factory_, select_items.at(i), COPY_REF_DEFAULT))) {
LOG_WARN("failed to deep copy select items.", K(ret));
} else if (select_items.at(i).expr_->get_relation_ids().overlap(index_left)) {
if (OB_FAIL(ObRawExprUtils::build_null_expr(*ctx_->expr_factory_, select_item.expr_))) {
ObCastMode cm;
ObRawExpr *null_expr = NULL;
ObSysFunRawExpr *cast_expr = NULL;
if (OB_FAIL(ObRawExprUtils::build_null_expr(*ctx_->expr_factory_, null_expr))) {
LOG_WARN("failed build null exprs.", K(ret));
} else { /*do nothing.*/
} else if (OB_FAIL(ObSQLUtils::get_default_cast_mode(true, /* explicit_cast */
0, /* result_flag */
ctx_->session_info_,
cm))) {
LOG_WARN("fail to get default cast mode", K(ret));
} else if (OB_FAIL(ObRawExprUtils::create_cast_expr(*ctx_->expr_factory_,
null_expr,
select_item.expr_->get_result_type(),
cast_expr,
ctx_->session_info_,
false,
cm))) {
LOG_WARN("failed to cast expr", K(ret));
} else if (OB_ISNULL(cast_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null expr", K(ret));
} else {
select_item.expr_ = cast_expr;
}
} else { /*do nothing.*/
}