HyukjinKwon commented on a change in pull request #24947: [SPARK-28143][SQL]
Expressions without proper constructors should throw AnalysisException
URL: https://github.com/apache/spark/pull/24947#discussion_r307589185
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
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@@ -583,7 +583,9 @@ object FunctionRegistry {
val validParametersCount = constructors
.filter(_.getParameterTypes.forall(_ == classOf[Expression]))
Review comment:
The problem is that we have function registered `in` but that's unable/not
supposed to to call via `in(...)` currently. Possibly there might be more cases
like this.
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