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fix defensive check bug in WinMagic transform rule

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This commit is contained in:
obdev
2023-08-29 15:10:49 +00:00
committed by ob-robot
parent d4f81eda30
commit 4e8a5b253e
1 changed files with 1 additions and 4 deletions
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5
src/sql/rewrite/ob_transform_win_magic.cpp
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@ -1834,11 +1834,8 @@ int ObTransformWinMagic::check_join_push_down(ObDMLStmt *main_stmt,
expr->get_relation_ids().has_member(view_table_idx) &&
expr->get_relation_ids().has_member(push_down_table_idx)) {
ObSEArray<ObRawExpr *, 4> column_exprs;
if (!expr->is_op_expr()) {
if (!expr->is_op_expr() || expr->get_param_count() < 2) {
//do nothing
} else if (expr->get_param_count() < 2) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("equal expr param count is less than 2", K(ret));
} else if (OB_ISNULL(expr->get_param_expr(0)) ||
OB_ISNULL(expr->get_param_expr(1))) {
ret = OB_ERR_UNEXPECTED;