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https://issues.apache.org/jira/browse/SPARK-29776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17004447#comment-17004447
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Ankit Raj Boudh edited comment on SPARK-29776 at 12/28/19 10:34 AM:
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[~hyukjin.kwon] , as per the discussion SPARK-29776 and SPARK-29853 both Jira
status i updated to "Resolved" and resolution i mention like "not a problem"
,if it's correct then will you please assign both Jira to me and then we can
closed both Jira.
was (Author: ankitraj):
[~hyukjin.kwon] , SPARK-29776 and SPARK-29853 both Jira status i updated to
"Resolved" and resolution i mention like "not a problem" ,if it's correct then
will you please assign both Jira to me and then we can closed both Jira.
> 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}
>
>
>
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