[
https://issues.apache.org/jira/browse/SPARK-29776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ankit Raj Boudh resolved SPARK-29776.
-------------------------------------
Resolution: Not A Problem
As per the discussion old behaviour not need to change.
> rpad and lpad should return NULL when padstring parameter is empty
> ------------------------------------------------------------------
>
> Key: SPARK-29776
> URL: https://issues.apache.org/jira/browse/SPARK-29776
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: ABHISHEK KUMAR GUPTA
> Priority: Major
>
> As per rpad definition
> rpad
> rpad(str, len, pad) - Returns str, right-padded with pad to a length of len
> If str is longer than len, the return value is shortened to len characters.
> *In case of empty pad string, the return value is null.*
> Below is Example
> In Spark:
> {code}
> 0: jdbc:hive2://10.18.19.208:23040/default> SELECT rpad('hi', 5, '');
> +----------------+
> | rpad(hi, 5, ) |
> +----------------+
> | hi |
> +----------------+
> {code}
> It should return NULL as per definition.
>
> Hive behavior is correct as per definition it returns NULL when pad is empty
> String
> INFO : Concurrency mode is disabled, not creating a lock manager
> {code}
> +-------+
> | _c0 |
> +-------+
> | NULL |
> +-------+
> {code}
>
>
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
