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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/04/13 11:45:00 UTC

[GitHub] [spark] cloud-fan commented on a change in pull request #32149: [SPARK-28227][SQL][FOLLOWUP] Add test case about transform expression with `distinct`

cloud-fan commented on a change in pull request #32149:
URL: https://github.com/apache/spark/pull/32149#discussion_r612370686



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File path: sql/core/src/test/resources/sql-tests/results/transform.sql.out
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@@ -638,3 +639,15 @@ struct<b:string>
 1
 2
 3
+
+
+-- !query
+SELECT TRANSFORM(distinct b, a, c)

Review comment:
       ah the parser treats it as `distinct as b`.
   
   Can we improve the parser to recognize `distinct` correctly and give a clear error message?




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