[jira] [Updated] (SPARK-28076) String Functions: SUBSTRING support regular expression

["Yuming Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-28076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuming Wang updated SPARK-28076:
--------------------------------
    Summary: String Functions: SUBSTRING support regular expression  (was: String Functions: Support regular expression substring)

> String Functions: SUBSTRING support regular expression
> ------------------------------------------------------
>
>                 Key: SPARK-28076
>                 URL: https://issues.apache.org/jira/browse/SPARK-28076
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> ||Function||Return Type||Description||Example||Result||
> |{{substring(_string_}} from _{{pattern}}_)|{{text}}|Extract substring matching POSIX regular expression. See [Section 9.7|https://www.postgresql.org/docs/11/functions-matching.html] for more information on pattern matching.|{{substring('Thomas' from '...$')}}|{{mas}}|
> |{{substring(_string_}} from _{{pattern}}_ for _{{escape}}_)|{{text}}|Extract substring matching SQL regular expression. See [Section 9.7|https://www.postgresql.org/docs/11/functions-matching.html] for more information on pattern matching.|{{substring('Thomas' from '%#"o_a#"_' for '#')}}|{{oma}}|
> For example:
> {code:sql}
> -- T581 regular expression substring (with SQL's bizarre regexp syntax)
> SELECT SUBSTRING('abcdefg' FROM 'a#"(b_d)#"%' FOR '#') AS "bcd";
> {code}
> https://www.postgresql.org/docs/11/functions-string.html



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org