rubenada edited a comment on issue #1156: [CALCITE-2973] Allow theta joins that 
have equi conditions to be exec…
URL: https://github.com/apache/calcite/pull/1156#issuecomment-523844012
 
 
   > 
   > 
   > You can remove this change in this PR:
   > 
[36e3109#diff-279a3afafffbb0ef4b411e6c0256a456R60](https://github.com/apache/calcite/commit/36e3109fb524c13ca0a08e3ad585785aa5abc18b#diff-279a3afafffbb0ef4b411e6c0256a456R60)
   
   @hsyuan , I'm not sure we can do that, since this change affects just 
EnumerableHashJoin (which will support now non-equi conditions); but there is 
still EnumerableMergeJoin (which only works with equi conditions) that remains 
unchanged.
   Also, I just noticed that an EnumerableHashJoin of type SEMI/ANTI supports 
only equi-join.

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