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fix core at recursive_update_column_name

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hy-guo 2023-12-25 09:37:49 +00:00 committed by ob-robot
parent 510b50a5ca
commit 14421b2ab1
1 changed files with 4 additions and 1 deletions
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5
src/sql/resolver/dml/ob_select_resolver.cpp
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@ -6553,6 +6553,7 @@ int ObSelectResolver::recursive_update_column_name(ObSelectStmt *select_stmt,
TableItem *table_item = NULL;
ObSelectStmt *ref_stmt = NULL;
SelectItem *ref_select_item = NULL;
int64_t select_item_idx = col_ref_expr->get_column_id() - OB_APP_MIN_COLUMN_ID;
ObString col_name;
if (OB_ISNULL(table_item = select_stmt->get_table_item_by_id(col_ref_expr->get_table_id()))) {
ret = OB_ERR_UNEXPECTED;
@ -6562,7 +6563,9 @@ int ObSelectResolver::recursive_update_column_name(ObSelectStmt *select_stmt,
} else if (OB_ISNULL(ref_stmt = table_item->ref_query_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("ref query stmt is null", K(ret));
} else if (OB_ISNULL(ref_select_item = &ref_stmt->get_select_item(col_ref_expr->get_column_id() - OB_APP_MIN_COLUMN_ID))) {
} else if (select_item_idx < 0 || select_item_idx >= ref_stmt->get_select_item_size()) {
// do nothing, maybe col_ref_expr is ROWID or other pseudo column
} else if (OB_ISNULL(ref_select_item = &ref_stmt->get_select_item(select_item_idx))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("select item is null", K(ret));
} else if (OB_FAIL(ob_write_string(*allocator_, ref_select_item->alias_name_, col_name))) {