Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/10563#discussion_r49419245
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
---
@@ -25,17 +25,26 @@ import org.apache.spark.sql.catalyst.util.TypeUtils
import org.apache.spark.sql.types._
import org.apache.spark.util.Utils
+trait PredResult
--- End diff --
Can we restrict doing this only for the expressions that have this behavior
for the expressions that need this?
This is just needed for a null aware equals right?
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