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Posted to issues@spark.apache.org by "Takeshi Yamamuro (Jira)" <ji...@apache.org> on 2020/12/08 11:48:00 UTC

[jira] [Resolved] (SPARK-33677) LikeSimplification should be skipped if pattern contains any escapeChar

     [ https://issues.apache.org/jira/browse/SPARK-33677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Takeshi Yamamuro resolved SPARK-33677.
--------------------------------------
    Fix Version/s: 3.2.0
                   3.1.0
                   3.0.2
       Resolution: Fixed

Resolved by https://github.com/apache/spark/pull/30625

> LikeSimplification should be skipped if pattern contains any escapeChar
> -----------------------------------------------------------------------
>
>                 Key: SPARK-33677
>                 URL: https://issues.apache.org/jira/browse/SPARK-33677
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Lu Lu
>            Assignee: Lu Lu
>            Priority: Major
>             Fix For: 3.0.2, 3.1.0, 3.2.0
>
>
> LikeSimplification rule does not work correctly for many cases that have patterns containing escape characters:
> {code:sql}
> SELECT s LIKE 'm%aca' ESCAPE '%' from t;
> SELECT s LIKE 'maacaa' ESCAPE 'a' FROM t;
> {code}



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