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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