imback82 commented on a change in pull request #27842: [SPARK-31078][SQL]
Respect aliases in output ordering
URL: https://github.com/apache/spark/pull/27842#discussion_r389331713
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/AliasAwareOutputs.scala
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@@ -16,16 +16,18 @@
*/
package org.apache.spark.sql.execution
-import org.apache.spark.sql.catalyst.expressions.{Alias, Attribute,
AttributeReference, Expression, NamedExpression}
+import org.apache.spark.sql.catalyst.expressions.{Alias, Attribute,
AttributeReference, Expression, NamedExpression, SortOrder}
import org.apache.spark.sql.catalyst.plans.physical.{HashPartitioning,
Partitioning}
/**
- * A trait that handles aliases in the `outputExpressions` to produce
`outputPartitioning`
- * that satisfies output distribution requirements.
+ * A trait that handles aliases in the `outputExpressions` and
`orderingExpressions` to produce
+ * `outputPartitioning` and `outputOrdering` that satisfy distribution and
ordering requirements.
*/
-trait AliasAwareOutputPartitioning extends UnaryExecNode {
+trait AliasAwareOutputs extends UnaryExecNode {
Review comment:
Yes, good idea.
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