LuciferYang commented on code in PR #40747:
URL: https://github.com/apache/spark/pull/40747#discussion_r1166346957
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala:
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@@ -49,8 +49,10 @@ trait FunctionRegistryBase[T] {
final def registerFunction(
name: FunctionIdentifier, builder: FunctionBuilder, source: String):
Unit = {
+ var builderClassName = builder.getClass.getCanonicalName
Review Comment:
Java 11+ has `Objects.requireNonNullElse(obj, defaultObj)`.
For Java 8, maybe we can use `MoreObjects.firstNonNull`, then
`builderClassName` can be a `val` (MoreObjects from Guava )
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