[jira] [Commented] (SPARK-38063) Support SQL split_part function

["Rui Wang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-38063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17484029#comment-17484029 ] 

Rui Wang commented on SPARK-38063:
----------------------------------

PR is ready: https://github.com/apache/spark/pull/35352

> Support SQL split_part function
> -------------------------------
>
>                 Key: SPARK-38063
>                 URL: https://issues.apache.org/jira/browse/SPARK-38063
>             Project: Spark
>          Issue Type: Task
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Rui Wang
>            Priority: Major
>
> `split_part()` is a commonly supported function by other systems such as Postgres, Snowflake, Redshift.
> The Spark equivalent (please double check) is `element_at(split(arg, delim), part)`
> Note that Snowflake supports negative index which counts from the back. We should automatically support that by using `element_at()`.
> If any input parameter is NULL, return NULL.



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