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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/05/10 20:52:56 UTC

[GitHub] [arrow-datafusion] andygrove commented on pull request #2486: Add SQL planner support for `grouping()` aggregate expressions

andygrove commented on PR #2486:
URL: https://github.com/apache/arrow-datafusion/pull/2486#issuecomment-1122849448

   > TIL "GROUPING" exploding_head
   > 
   > https://www.postgresql.org/docs/9.5/functions-aggregate.html (`Table 9-53. Grouping Operations`) and https://docs.microsoft.com/en-us/sql/t-sql/functions/grouping-transact-sql?view=sql-server-ver15
   
   I hadn't seen this before either, but it is used in the TPC-DS benchmarks.
   
   


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