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https://issues.apache.org/jira/browse/HIVE-21431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16800660#comment-16800660
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Rajesh Balamohan edited comment on HIVE-21431 at 3/25/19 1:14 PM:
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This may be reproducible with regex expressions. But with the following, i see
wrong results as well with vectorization.
{noformat}
e.g
WHEN x like '%radio%' THEN 'radio'
WHEN x like '%tv%' THEN 'tv'
{noformat}
was (Author: rajesh.balamohan):
This may be reproducible with regex expressions. But with the following, i see
wrong results as well.
{noformat}
e.g
WHEN x like '%radio%' THEN 'radio'
WHEN x like '%tv%' THEN 'tv'
{noformat}
> Vectorization: ltrim throws ArrayIndexOutOfBounds in corner cases
> -----------------------------------------------------------------
>
> Key: HIVE-21431
> URL: https://issues.apache.org/jira/browse/HIVE-21431
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 2.3.4
> Reporter: Rajesh Balamohan
> Assignee: Laszlo Bodor
> Priority: Major
>
> In corner cases, {{ltrim}} with string columns throws
> arraryindexoutofboundsexception with vectorization enabled. {{HIVE-19565}}
> seem to fix corner cases. But in another corner case, {{length[]}} was all
> {{0}} and this causes {{-1}} to be returned in the length to be set in the
> target vector. I will check if i can get a easier repro for this.
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