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Posted to jira@arrow.apache.org by "Andy Grove (Jira)" <ji...@apache.org> on 2020/12/23 16:13:00 UTC

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

Andy Grove created ARROW-11016:
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             Summary: [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


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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