Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14364#discussion_r72391502
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
---
@@ -452,14 +466,36 @@ object FunctionRegistry {
}
}
- val clazz = tag.runtimeClass
+ (name, (expressionInfo[T](name), builder))
+ }
+
+ /**
+ * Creates a function lookup registry for cast aliases (SPARK-16730).
--- End diff --
NIT: `...function lookup registry...` should that ben`...function registry
lookup entry ...` or something similar?
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