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fix late materialization bug

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This commit is contained in:
zl0
2021-09-24 19:19:08 +08:00
committed by wangzelin.wzl
parent bda3d4e6c5
commit 16b086a718
36 changed files with 496 additions and 201 deletions
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5
src/sql/optimizer/ob_fd_item.cpp
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@ -115,7 +115,7 @@ int ObTableFdItem::check_expr_in_child(const ObRawExpr* expr, const EqualSets& e
} else if (expr->has_flag(CNT_AGG)) {
//do nothing
} else if (expr->get_expr_levels().has_member(stmt_level_)) {
if (child_tables_.is_superset(expr->get_relation_ids())) {
if (!expr->get_relation_ids().is_empty() && child_tables_.is_superset(expr->get_relation_ids())) {
is_in_child = true;
}
for (int64_t i = 0; OB_SUCC(ret) && !is_in_child && i < equal_sets.count(); ++i) {
@ -130,7 +130,8 @@ int ObTableFdItem::check_expr_in_child(const ObRawExpr* expr, const EqualSets& e
if (OB_ISNULL(cur_expr = equal_set->at(j))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null expr", K(ret));
} else if (!child_tables_.is_superset(cur_expr->get_relation_ids())) {
} else if (cur_expr->get_relation_ids().is_empty() ||
!child_tables_.is_superset(cur_expr->get_relation_ids())) {
// do nothing
} else if (OB_FAIL(ObRawExprUtils::expr_is_order_consistent(cur_expr, expr, is_consistent))) {
LOG_WARN("failed to check expr is order consistent", K(ret));