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https://issues.apache.org/jira/browse/IMPALA-2463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-2463.
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Resolution: Later
> Measure and optimize SPLIT_PART and REGEXP_LIKE
> -----------------------------------------------
>
> Key: IMPALA-2463
> URL: https://issues.apache.org/jira/browse/IMPALA-2463
> Project: IMPALA
> Issue Type: Task
> Components: Backend
> Affects Versions: Impala 2.3.0
> Reporter: Jim Apple
> Priority: Minor
> Labels: performance
>
> IMPALA-2084 These haven't been measured yet and can't use some more optimized
> string searching functions like strstr(3) which only work on null-terminated
> strings.
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