[jira] [Resolved] (SPARK-32365) Fix java.lang.IndexOutOfBoundsException: No group -1

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-32365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun resolved SPARK-32365.
-----------------------------------
    Fix Version/s: 3.1.0
                   3.0.1
       Resolution: Fixed

Issue resolved by pull request 29161
[https://github.com/apache/spark/pull/29161]

> Fix java.lang.IndexOutOfBoundsException: No group -1
> ----------------------------------------------------
>
>                 Key: SPARK-32365
>                 URL: https://issues.apache.org/jira/browse/SPARK-32365
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.1, 3.1.0
>            Reporter: jiaan.geng
>            Assignee: jiaan.geng
>            Priority: Major
>             Fix For: 3.0.1, 3.1.0
>
>
> The current implement of regexp_extract will throws a unprocessed exception show below:
> SELECT regexp_extract('1a 2b 14m', 'd+' -1)
> {code:java}
> java.lang.IndexOutOfBoundsException: No group -1
> java.util.regex.Matcher.group(Matcher.java:538)
> org.apache.spark.sql.catalyst.expressions.RegExpExtract.nullSafeEval(regexpExpressions.scala:455)
> org.apache.spark.sql.catalyst.expressions.TernaryExpression.eval(Expression.scala:704)
> org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:52)
> org.apache.spark.sql.catalyst.optimizer.ConstantFolding$$anonfun$apply$1$$anonfun$applyOrElse$1.applyOrElse(expressions.scala:45)
> {code}



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