[GitHub] [pinot] Jackie-Jiang commented on issue #7977: lastwithtime() multiple column support

[GitBox <gi...@apache.org>]

Jackie-Jiang commented on issue #7977:
URL: https://github.com/apache/pinot/issues/7977#issuecomment-1039673341


   @mapshen MV (multi-valued) column in pinot works like an array, but with slightly different semantic. Pinot supports certain aggregations on MV columns (https://docs.pinot.apache.org/users/user-guide-query/supported-aggregations#multi-value-column-functions). It doesn't support mixed data types in a MV column, all the elements must be of the same data type.


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