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fix join elimination bug for nested subquery

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yinyj17 2024-02-07 18:13:29 +00:00 committed by ob-robot
parent dbb5c1fc2a
commit 5cda20994b
1 changed files with 4 additions and 3 deletions
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7
src/sql/rewrite/ob_transform_join_elimination.cpp
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@ -1996,6 +1996,8 @@ int ObTransformJoinElimination::eliminate_semi_right_child_table(ObDMLStmt *stmt
LOG_WARN("failed to push back table item", K(ret));
} else if (OB_FAIL(child_stmt->get_select_exprs(select_exprs))) {
LOG_WARN("failed to get child stmt select exprs", K(ret));
} else if (OB_FAIL(ObTransformUtils::remove_const_exprs(select_exprs, select_exprs))) {
LOG_WARN("failed to remove const exprs", K(ret));
} else if (OB_FAIL(ObTransformUtils::generate_select_list(ctx_, stmt,
semi_right_table, &select_exprs))) {
LOG_WARN("failed to generate select list for shared exprs", K(ret));
@ -2259,9 +2261,8 @@ int ObTransformJoinElimination::try_remove_semi_info(ObDMLStmt *stmt,
} else if (OB_FAIL(ObTransformUtils::convert_column_expr_to_select_expr(column_exprs, *child_stmt,
child_select_exprs))) {
LOG_WARN("failed to convert column expr to select expr", K(ret));
} else if (OB_FAIL(ObTransformUtils::replace_exprs(column_exprs, child_select_exprs,
semi_info->semi_conditions_))) {
LOG_WARN("failed to replace expr", K(ret));
} else if (OB_FAIL(stmt->replace_relation_exprs(column_exprs, child_select_exprs))) {
LOG_WARN("failed to replace relation expr", K(ret));
} else if (OB_FAIL(ObOptimizerUtil::remove_item(stmt->get_semi_infos(), semi_info))) {
LOG_WARN("failed to remove item", K(ret));
} else if (OB_FAIL(ObTransformUtils::extract_query_ref_expr(child_stmt->get_condition_exprs(),