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https://issues.apache.org/jira/browse/ARROW-11016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254135#comment-17254135
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Andy Grove commented on ARROW-11016:
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[~nevi_me] [~sunchao] Do either of you know if this would be a lot of work to
implement or not? If you have any pointers for someone working on this ticket
it would be appreciated.
> [Rust] Parquet ArrayReader should allow reading a subset of row groups
> ----------------------------------------------------------------------
>
> Key: ARROW-11016
> URL: https://issues.apache.org/jira/browse/ARROW-11016
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust
> Reporter: Andy Grove
> Priority: Major
>
> Parquet ArrayReader currently only supports reading an entire file from start
> to finish and does not allow selectively reading a subset of row groups. This
> prevents us from parallelizing work across threads when processing a single
> parquet file.
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