[GitHub] [spark] HyukjinKwon commented on a change in pull request #24525: [SPARK-27633][SQL] Remove redundant aliases in NestedColumnAliasing

[GitBox <gi...@apache.org>]

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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