Github user dilipbiswal commented on the pull request:
https://github.com/apache/spark/pull/10520#issuecomment-168917085
@cloud-fan Hi Wenchen, thanks for your comments. I went through the
processing. I think its ok to just override equals and compare the udf class
names here. The number of arguments, their semantic equality and deterministic
property is handled in the semanticEquals method in expression.scala. Please
let me know what you think.
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