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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/25 05:13:47 UTC

[GitHub] [arrow-datafusion] Jimexist commented on pull request #375: add window expression stream, delegated window aggregation to aggregate functions, and implement `row_number`

Jimexist commented on pull request #375:
URL: https://github.com/apache/arrow-datafusion/pull/375#issuecomment-847537275


   local test:
   
   ```
   > select c1, row_number() over () from test limit 5;
   +----+--------------+
   | c1 | ROW_NUMBER() |
   +----+--------------+
   | c  | 1            |
   | d  | 2            |
   | b  | 3            |
   | a  | 4            |
   | b  | 5            |
   +----+--------------+
   5 rows in set. Query took 0 seconds.
   ```


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