Github user vkorukanti commented on a diff in the pull request:
https://github.com/apache/drill/pull/462#discussion_r58742916
--- Diff:
exec/java-exec/src/main/codegen/templates/ComparisonFunctions.java ---
@@ -215,6 +192,36 @@ public void eval() {
}
}
+ <#-- IS_DISTINCT_FROM function -->
+ @FunctionTemplate(names = {"is_distinct_from", "is distinct from" },
--- End diff --
If adding new functions is a concern, I can make the
```RelOptUtil#splitJoinCondition``` to identify rewritten ```IS NOT DISTINCT
FROM``` functions also.
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