[jira] [Updated] (HIVE-4345) Pushing down query conditions to support on-the-fly filtering at the file parsing

["Stamatis Zampetakis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stamatis Zampetakis updated HIVE-4345:
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    Fix Version/s:     (was: 0.10.0)

I cleared the fixVersion field since this ticket is not resolved. Please review this ticket and if the fix is already committed to a specific version please set the version accordingly and mark the ticket as RESOLVED.

According to the JIRA guidelines (https://cwiki.apache.org/confluence/display/Hive/HowToContribute) the fixVersion should be set only when the issue is resolved/closed.

> Pushing down query conditions to support on-the-fly filtering at the file parsing
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-4345
>                 URL: https://issues.apache.org/jira/browse/HIVE-4345
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.10.0
>            Reporter: Yifeng Geng
>            Priority: Major
>              Labels: patch
>         Attachments: HIVE-4345.patch
>
>
> Serialize "predicate" conditions in query plan to MapredWork class, so the FileFormat class can use the conditions to do on-the-fly filtering on the files. It can improve the performance a lot for processsing certain binary files(NetCDF files for example).



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