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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2021/05/13 17:48:11 UTC

[GitHub] [incubator-pinot] Jackie-Jiang commented on issue #6910: Segment Pruning is not happening when filtering transformed timecolumn

Jackie-Jiang commented on issue #6910:
URL: https://github.com/apache/incubator-pinot/issues/6910#issuecomment-840723171


   Filtering on Transform function (comparing to column) is not efficient in both segment pruning and filter processing. One possible solution would be building some query re-write rules for certain transform functions to rewrite them into columns, e.g. `datetimeconvert(__time, '1:MILLISECONDS:EPOCH', '1:MILLISECONDS:EPOCH', '30:MINUTES') >= 1620830760000` to `__time >= 1620831600000`


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