allisonwang-db commented on code in PR #53542:
URL: https://github.com/apache/spark/pull/53542#discussion_r2640884963
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala:
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@@ -1633,6 +1635,25 @@ class SessionCatalog(
throw
UserDefinedFunctionErrors.notAScalarFunction(function.name.nameParts)
}
(input: Seq[Expression]) => {
+ // Check if any input contains a lambda variable
+ val hasLambdaVar = input.exists { expr =>
+ expr.find {
+ case _: NamedLambdaVariable => true
+ case _: UnresolvedNamedLambdaVariable => true
+ case _ => false
+ }.isDefined
+ }
+ if (hasLambdaVar) {
+ val formattedInputs = input.map {
+ case v: NamedLambdaVariable => "lambda " + v.name
+ case v: UnresolvedNamedLambdaVariable => "lambda " + v.name
+ case e => e.sql
+ }.mkString(", ")
+ throw new AnalysisException(
+ errorClass = "UNSUPPORTED_FEATURE.LAMBDA_FUNCTION_WITH_SQL_UDF",
+ messageParameters = Map(
+ "funcName" -> ("\"" + function.name.unquotedString + "(" +
formattedInputs + ")\"")))
+ }
Review Comment:
Can we add this in `UserDefinedFunctionErrors`
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