GitHub

group_concat with mid string function in subquery doesn't work in TIDB

severity/moderate sig/planner SIG: Planner type/bug This issue is a bug.
GitHub

GROUP_CONCAT error. subquery returns more than 1 row #10608

1105 - subquery returns more than 1 row Remarks： read_cust_user_id is ods_order_item_base_two table field。 What did you expect to see? Give an explanation. What did you see instead? GROUP BY ui.id ...