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https://issues.apache.org/jira/browse/ARROW-14890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17449382#comment-17449382
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xiangxiang Shen commented on ARROW-14890:
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Hi [~jorisvandenbossche] ，
Would you have plans to support ORC Filter pushdown?
Thanks
> [C++][Dataset] Add support for filter pushdown in the ORC Scanner
> -----------------------------------------------------------------
>
> Key: ARROW-14890
> URL: https://issues.apache.org/jira/browse/ARROW-14890
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: xiangxiang Shen
> Priority: Major
> Labels: C++, ORC, dataset
>
> In arrow dataset, Filter pushdown can improve reading files performance
> greatly. We notice parquet has implemented,
> https://github.com/apache/arrow/blob/35b3567e73423420a99dbe6116f000e3c77d2a4c/cpp/src/arrow/dataset/file_parquet.cc#L465-L484.
> But ORC fileformat has not supported Filter pushdown. It ignores the "filter"
> of ScanOptions now.
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