Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17541#discussion_r110086440
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
---
@@ -423,8 +423,17 @@ case class CatalogRelation(
Objects.hashCode(tableMeta.identifier, output)
}
- /** Only compare table identifier. */
- override lazy val cleanArgs: Seq[Any] = Seq(tableMeta.identifier)
+ override lazy val canonicalized: LogicalPlan = {
+ CatalogRelation(
+ /** Only care about table identifier. */
+ tableMeta = CatalogTable(
+ tableMeta.identifier,
+ CatalogTableType.MANAGED,
+ CatalogStorageFormat.empty,
+ new StructType()),
+ dataCols = dataCols.map(_.canonicalized.asInstanceOf[Attribute]),
+ partitionCols =
partitionCols.map(_.canonicalized.asInstanceOf[Attribute]))
--- End diff --
`CatalogRelation` has 3 asserts at the beginning, so we can't simply use Nil
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