HyukjinKwon commented on a change in pull request #24525:
URL: https://github.com/apache/spark/pull/24525#discussion_r439797214
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/NestedColumnAliasingSuite.scala
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@@ -261,6 +261,37 @@ class NestedColumnAliasingSuite extends SchemaPruningTest {
comparePlans(optimized, expected)
}
+ test("Do not generate redundant aliases if parent nested field is aliased
too") {
Review comment:
Shall we add a JIRA prefix in the title?
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