Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/21851
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Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21851#discussion_r204531052
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -2145,14 +2145,24 @@ class Analyzer(
GitHub user maryannxue opened a pull request:
https://github.com/apache/spark/pull/21851
[SPARK-24891][SQL] Fix HandleNullInputsForUDF rule
## What changes were proposed in this pull request?
The HandleNullInputsForUDF would always add a new `If` node every time it
is
