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Posted to jira@arrow.apache.org by "Neville Dipale (Jira)" <ji...@apache.org> on 2021/01/06 11:49:00 UTC

[jira] [Updated] (ARROW-11016) [Rust] Parquet ArrayReader should allow reading a subset of row groups

     [ https://issues.apache.org/jira/browse/ARROW-11016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neville Dipale updated ARROW-11016:
-----------------------------------
    Fix Version/s: 4.0.0

> [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
>             Fix For: 4.0.0
>
>
> 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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