Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/23154#discussion_r236919395
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
---
@@ -204,10 +204,10 @@ case class UnresolvedGenerator(name:
FunctionIdentifier, children: Seq[Expressio
throw new UnsupportedOperationException(s"Cannot evaluate expression:
$this")
override protected def doGenCode(ctx: CodegenContext, ev: ExprCode):
ExprCode =
- throw new UnsupportedOperationException(s"Cannot evaluate expression:
$this")
+ throw new UnsupportedOperationException(s"Cannot generate code
expression: $this")
--- End diff --
Is it better to use `generate code for expression` or others rather than
`generate code expression`?
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