viirya commented on a change in pull request #28560:
URL: https://github.com/apache/spark/pull/28560#discussion_r428965331
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/NestedColumnAliasingSuite.scala
##########
@@ -341,6 +341,78 @@ class NestedColumnAliasingSuite extends SchemaPruningTest {
.analyze
comparePlans(optimized, expected)
}
+
+ test("Nested field pruning for Aggregate") {
+ val query1 =
contact.groupBy($"id")(first($"name.first").as("first")).analyze
Review comment:
ok, let me add some tests.
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