Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12117#discussion_r58447880
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
---
@@ -341,9 +343,14 @@ object FunctionRegistry {
/** See usage above. */
def expression[T <: Expression](name: String)
(implicit tag: ClassTag[T]): (String, (ExpressionInfo,
FunctionBuilder)) = {
+ expression(name, tag.runtimeClass.asInstanceOf[Class[T]])
+ }
+ def expression[T <: Expression](
+ name: String,
+ clazz: Class[T]): (String, (ExpressionInfo, FunctionBuilder)) = {
--- End diff --
you don't need to change these right? IIUC the only change that's necessary
in this file is adding `functionExists`.
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