maropu commented on a change in pull request #29087:
URL: https://github.com/apache/spark/pull/29087#discussion_r552625920
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -659,12 +670,23 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef] with
SQLConfHelper with Logg
AttributeReference("value", StringType)()), true)
}
- // Create the transform.
+ val plan = visitCommonSelectQueryClausePlan(
+ relation,
+ lateralView,
+ transformClause.namedExpressionSeq,
+ whereClause,
+ aggregationClause,
+ havingClause,
+ windowClause,
+ isDistinct = false)
+
+ // Create the transform, here we pass UnresolvedStart as ScriptTransform's
input.
+ // In analyzer after child plan is resolved, we resolve UnresolvedStart as
child's output.
ScriptTransformation(
- expressions,
+ Seq(UnresolvedStar(None)),
Review comment:
hm, on second thought, we cannot remove this param `input` from
`ScriptTransformation` in this PR? Since the input exprs of the current
`ScriptTransformation` implementaiton always coms from child's output, IIUC we
don't need this param anymore?
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