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https://issues.apache.org/jira/browse/PARQUET-384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gabor Szadovszky updated PARQUET-384:
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Fix Version/s: 1.8.2
> Add Dictionary Based Filtering to Filter2 API
> ---------------------------------------------
>
> Key: PARQUET-384
> URL: https://issues.apache.org/jira/browse/PARQUET-384
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Reporter: Daniel Weeks
> Assignee: Daniel Weeks
> Priority: Major
> Fix For: 1.9.0, 1.8.2
>
>
> Dictionary based predicate evaluation show very significant gains for certain
> cases like the following:
> - Sparse values in dictionary encoded columns
> - Data staged sorted by fields used in predicate evaluation
> This would be good to introduce into the filter2 API.
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