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Posted to issues@arrow.apache.org by "Mike Seddon (Jira)" <ji...@apache.org> on 2020/12/06 00:52:00 UTC

[jira] [Created] (ARROW-10818) [Rust] [DataFusion] Implement DECIMAL type

Mike Seddon created ARROW-10818:
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             Summary: [Rust] [DataFusion] Implement DECIMAL type
                 Key: ARROW-10818
                 URL: https://issues.apache.org/jira/browse/ARROW-10818
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Rust, Rust - DataFusion
            Reporter: Mike Seddon


The TPC-H benchmarks correctly specify that all MONEY columns are DECIMAL type (precision and scale are not specified). We currently use `DataType::Float64` which is much lighter than a true Decimal type.

To be a valid benchmark we need to ensure we support the same precision as the reference implementation.



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