Yuming Wang created SPARK-36155:
-----------------------------------
Summary: Eliminate join base uniqueness
Key: SPARK-36155
URL: https://issues.apache.org/jira/browse/SPARK-36155
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.0
Reporter: Yuming Wang
For example:
SELECT f1 FROM t1 LEFT JOIN (SELECT DISTINCT id FROM t2) t21 ON t1.id = t21.id
==>
SELECT f1 FROM t1
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
