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https://issues.apache.org/jira/browse/SPARK-46173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot reassigned SPARK-46173:
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    Assignee:     (was: Apache Spark)

> Skipping trimAll call in stringToDate functions to avoid needless string copy
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-46173
>                 URL: https://issues.apache.org/jira/browse/SPARK-46173
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Aleksandar Tomic
>            Priority: Major
>              Labels: pull-request-available
>
> In StringToDate function call we currently first call trimAll to remove any 
> whitespace and isocontrol characters. Trimming results in copying the input 
> string which is not really needed given that we can do all the parsing in 
> place by just skipping the whitespace/isocontrol chars.
> Given that we have customers complaining about speed of stringtodate 
> function, especially when input string is long/potentially malformed proposal 
> is to skip trimAll call and do parsing in place.



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