[SPARK-33677] LikeSimplification should be skipped if pattern contains any escapeChar

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.0.2, 3.1.0, 3.2.0
• Component/s: SQL
• Assignee: Lu Lu
• Reporter: Lu Lu
• Created: 06/Dec/20 12:13
• Updated: 08/Dec/20 11:47
• Resolved: 08/Dec/20 11:47

Description

LikeSimplification rule does not work correctly for many cases that have patterns containing escape characters:

SELECT s LIKE 'm%aca' ESCAPE '%' from t;
SELECT s LIKE 'maacaa' ESCAPE 'a' FROM t;

Issue Links

• links to: [Github] Pull Request #30625 (luluorta)