maropu commented on a change in pull request #28898:
URL: https://github.com/apache/spark/pull/28898#discussion_r446499394
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/NestedColumnAliasingSuite.scala
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@@ -493,6 +491,58 @@ class NestedColumnAliasingSuite extends SchemaPruningTest {
comparePlans(optimized3, expected3)
}
+ test("Nested field pruning for window functions") {
+ val spec = windowSpec($"address" :: Nil, $"id".asc :: Nil,
UnspecifiedFrame)
+ val winExpr = windowExpr(RowNumber().toAggregateExpression(), spec)
+ val query = contact.select($"name.first", winExpr.as('window))
+ .where($"window" === 1 && $"name.first" === "a")
+ .analyze
+ val optimized = Optimize.execute(query)
+ val aliases = collectGeneratedAliases(optimized)
+ val expected = contact
+ .select($"name.first", $"address", $"id", $"name.first".as(aliases(1)))
+ .window(Seq(winExpr.as("window")), Seq($"address"), Seq($"id".asc))
+ .select($"first", $"${aliases(1)}".as(aliases(0)), $"window")
+ .where($"window" === 1 && $"${aliases(0)}" === "a")
+ .select($"first", $"window")
+ .analyze
+ comparePlans(optimized, expected)
+ }
+
+ test("Nested field pruning for orderBy") {
Review comment:
Why did you add the separate tests for orderBy/sortBy? They have the
same plan, sort.
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