Github user bomeng commented on a diff in the pull request:
https://github.com/apache/spark/pull/12117#discussion_r58454116
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -534,17 +579,11 @@ class SessionCatalog(
val dbFunctions =
externalCatalog.listFunctions(db, pattern).map { f =>
FunctionIdentifier(f, Some(db)) }
val regex = pattern.replaceAll("\\*", ".*").r
--- End diff --
I may create another PR for put all the pattern stuff in one place. Right
now, it was scattered all over with replaceAll(). Please keep your code as it
is for now, I will do it later. Thanks.
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