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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2020/10/07 16:15:31 UTC

[GitHub] [calcite] rubenada commented on pull request #2194: [CALCITE-4315] NPE in RelMdUtil#checkInputForCollationAndLimit

rubenada commented on pull request #2194:
URL: https://github.com/apache/calcite/pull/2194#issuecomment-705043377


   @vlsi the root cause seems to be this change https://github.com/apache/calcite/commit/2f1d764297233a60fed85dd10f2954240da6663a
   Now the "default" `mq.collations` is `null` instead of empty this, but this module did not handle `null`


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