[jira] [Resolved] (SPARK-26552) Extract a map from a string identified by java regex

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-26552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-26552.
----------------------------------
    Resolution: Won't Fix

> Extract a map from a string identified by java regex
> ----------------------------------------------------
>
>                 Key: SPARK-26552
>                 URL: https://issues.apache.org/jira/browse/SPARK-26552
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.5.0
>            Reporter: wenshangmin
>            Priority: Minor
>
> New function regexp_to_map should convert a column of string with a regex to a map column with group names as keys and group values as values.
> Based on that, we can use it like a table. One common use is to analysis the log file.
> {code}
> def regexp_to_map(e: Column, exp: String): Column
> {code}
>  
> Here is an example of usage:
> {code:sql}
> select temp.col1 from
> select regexp_to_map("100-200", "(?<col1>\\d+)-(?<col2>\\d+)") as temp;
> {code}
> {code:java}
> 100{code}
>  



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