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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21503) Vectorization: query with regex gives incorrect results with vectorization
Date Tue, 26 Mar 2019 02:55:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajesh Balamohan updated HIVE-21503:
------------------------------------
    Description: 
i see wrong results with vectorization. Without vectorization, it works fine. 
{noformat}
e.g 

WHEN x like '%radio%' THEN 'radio' 
WHEN x like '%tv%' THEN 'tv'
{noformat}

  was:
i see wrong results with vectorization. Without vectorization, it works fine. Suspecting minor
issue in {{StringGroupColConcatCharScalar}}
{noformat}
e.g 

WHEN x like '%radio%' THEN 'radio' 
WHEN x like '%tv%' THEN 'tv'
{noformat}


> Vectorization: query with regex gives incorrect results with vectorization
> --------------------------------------------------------------------------
>
>                 Key: HIVE-21503
>                 URL: https://issues.apache.org/jira/browse/HIVE-21503
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>            Reporter: Rajesh Balamohan
>            Assignee: Laszlo Bodor
>            Priority: Major
>
> i see wrong results with vectorization. Without vectorization, it works fine. 
> {noformat}
> e.g 
> WHEN x like '%radio%' THEN 'radio' 
> WHEN x like '%tv%' THEN 'tv'
> {noformat}



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