cloud-fan commented on code in PR #37994:
URL: https://github.com/apache/spark/pull/37994#discussion_r988618331
##########
connect/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala:
##########
@@ -109,8 +120,12 @@ class SparkConnectPlanner(plan: proto.Relation, session:
SparkSession) {
}
}
- private def transformUnresolvedExpression(exp: proto.Expression):
UnresolvedAttribute = {
- UnresolvedAttribute(exp.getUnresolvedAttribute.getPartsList.asScala.toSeq)
+ private def transformUnresolvedExpression(exp: proto.Expression): Expression
= {
+ if (exp.getUnresolvedAttribute.getPartsCount == 1) {
+ Literal.create(exp.getUnresolvedAttribute.getParts(0), StringType)
Review Comment:
We can clean up this part later. This special case for string literal is
very weird.
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