[SPARK-35673] Spark fails on unrecognized hint in subquery

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.2, 3.1.1, 3.1.2, 3.2.0
• Fix Version/s: 3.0.3, 3.2.0, 3.1.3
• Component/s: SQL
• Assignee: Fu Chen
• Reporter: Willi Raschkowski
• Created: 08/Jun/21 00:29
• Updated: 20/Jun/21 03:31
• Resolved: 10/Jun/21 07:50

Description

Spark queries to fail on unrecognized hints in subqueries. An example to reproduce:

SELECT /*+ use_hash */ 42;
-- 21/06/08 01:28:05 WARN HintErrorLogger: Unrecognized hint: use_hash()
-- 42

SELECT *
FROM (
    SELECT /*+ use_hash */ 42
);
-- 21/06/08 01:28:07 WARN HintErrorLogger: Unrecognized hint: use_hash()
-- Error in query: unresolved operator 'Project [*];
-- 'Project [*]
-- +- SubqueryAlias __auto_generated_subquery_name
--    +- Project [42 AS 42#2]
--       +- OneRowRelation

Issue Links

• is duplicated by: SPARK-35795 Cannot resolve column when there is a unrecognized hint in subquery
• links to: [Github] Pull Request #32841 (cfmcgrady)