[jira] [Resolved] (SPARK-39758) NPE on invalid patterns from the regexp functions

["Max Gekk (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-39758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Max Gekk resolved SPARK-39758.
------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 37171
[https://github.com/apache/spark/pull/37171]

> NPE on invalid patterns from the regexp functions
> -------------------------------------------------
>
>                 Key: SPARK-39758
>                 URL: https://issues.apache.org/jira/browse/SPARK-39758
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Max Gekk
>            Assignee: Max Gekk
>            Priority: Major
>             Fix For: 3.4.0
>
>
> The example below reproduces the issue:
> {code:sql}
> spark-sql> SELECT regexp_extract('1a 2b 14m', '(?l)');
> 22/07/12 19:07:21 ERROR SparkSQLDriver: Failed in [SELECT regexp_extract('1a 2b 14m', '(?l)')]
> java.lang.NullPointerException: null
> 	at org.apache.spark.sql.catalyst.expressions.RegExpExtractBase.getLastMatcher(regexpExpressions.scala:768) ~[spark-catalyst_2.12-3.3.0.jar:3.3.0]
> {code}



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