[GitHub] [spark] HyukjinKwon commented on a change in pull request #25202: [SPARK-28289][SQL][PYTHON][TESTS] Convert and port 'union.sql' into UDF test base

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HyukjinKwon commented on a change in pull request #25202: [SPARK-28289][SQL][PYTHON][TESTS] Convert and port 'union.sql' into UDF test base
URL: https://github.com/apache/spark/pull/25202#discussion_r305656765
 
 

 ##########
 File path: sql/core/src/test/resources/sql-tests/inputs/udf/udf-union.sql
 ##########
 @@ -0,0 +1,56 @@
+-- This test file was converted from union.sql.
+
+CREATE OR REPLACE TEMPORARY VIEW t1 AS VALUES (1, 'a'), (2, 'b') tbl(c1, c2);
+CREATE OR REPLACE TEMPORARY VIEW t2 AS VALUES (1.0, 1), (2.0, 4) tbl(c1, c2);
+
+-- Simple Union
+SELECT *
+FROM   (SELECT * FROM t1
 
 Review comment:
   Can we insert UDF like `udf(c1), udf(c2)`?

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