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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/15 14:09:39 UTC

[GitHub] [arrow-datafusion] jackwener opened a new issue #2016: Merge the adjacent filter

jackwener opened a new issue #2016:
URL: https://github.com/apache/arrow-datafusion/issues/2016


   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   
   ```sql
    explain select c1, c2 from test where c3 = true and c2 = 0.000001;
   
   +---------------+-------------------------------------------------------------------------------------------------------------------------------------+
   | plan_type     | plan                                                                                                                                |
   +---------------+-------------------------------------------------------------------------------------------------------------------------------------+
   | logical_plan  | Projection: #test.c1, #test.c2                                                                                                      |
   |               |   Filter: #test.c3                                                                                                                  |
   |               |     Filter: #test.c2 = Float64(0.000001)                                                                                            |
   |               |       TableScan: test projection=Some([0, 1, 2]), filters=[#test.c3, #test.c2 = Float64(0.000001)]                                  |
   | physical_plan | ProjectionExec: expr=[c1@0 as c1, c2@1 as c2]                                                                                       |
   |               |   CoalesceBatchesExec: target_batch_size=4096                                                                                       |
   |               |     FilterExec: c3@2                                                                                                                |
   |               |       CoalesceBatchesExec: target_batch_size=4096                                                                                   |
   |               |         FilterExec: c2@1 = 0.000001                                                                                                 |
   |               |           RepartitionExec: partitioning=RoundRobinBatch(8)                                                                          |
   |               |             CsvExec: files=[/home/jakevin/code/arrow-datafusion/datafusion/tests/aggregate_simple.csv], has_header=true, limit=None |
   |               |                                                                                                                                     |
   +---------------+-------------------------------------------------------------------------------------------------------------------------------------+
   ```
   **Describe the solution you'd like**
   
   add `merge` rule to combine the filter.
   
   **Describe alternatives you've considered**
   
   **Additional context**
   
   Some discussion detail in #2015


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[GitHub] [arrow-datafusion] xudong963 commented on issue #2016: Merge the adjacent filter

Posted by GitBox <gi...@apache.org>.
xudong963 commented on issue #2016:
URL: https://github.com/apache/arrow-datafusion/issues/2016#issuecomment-1068038691


   Is there any practical experience that proves this is profitable, or are there any databases that have done it?


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[GitHub] [arrow-datafusion] xudong963 closed issue #2016: Merge the adjacent filter

Posted by GitBox <gi...@apache.org>.
xudong963 closed issue #2016:
URL: https://github.com/apache/arrow-datafusion/issues/2016


   


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[GitHub] [arrow-datafusion] jackwener commented on issue #2016: Merge the adjacent filter

Posted by GitBox <gi...@apache.org>.
jackwener commented on issue #2016:
URL: https://github.com/apache/arrow-datafusion/issues/2016#issuecomment-1068033875


   I'm trying to do it. 


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