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Posted to issues@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2021/04/09 21:08:00 UTC

[jira] [Created] (ARROW-12318) [Rust][DataFusion] Add support for AVG(Timestamp) types

Andrew Lamb created ARROW-12318:
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             Summary: [Rust][DataFusion] Add support for AVG(Timestamp) types
                 Key: ARROW-12318
                 URL: https://issues.apache.org/jira/browse/ARROW-12318
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust - DataFusion
            Reporter: Andrew Lamb


This is a follow on to ARROW-12277

Background: Support for Min/Max/Sum/Count were added for DataType::Timestamp(*) types in https://github.com/apache/arrow/pull/9970.

This ticket tracks adding support for Avg, which is slightly more involved as currently Avg assumes the output type is always F64, and in this case I think Avg(timestamp) should also be (timestamp). We should double check what postgres does in this case.




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