AngersZhuuuu commented on a change in pull request #29087:
URL: https://github.com/apache/spark/pull/29087#discussion_r551959690
##########
File path: sql/core/src/test/resources/sql-tests/inputs/transform.sql
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@@ -183,3 +189,126 @@ SELECT a, b, decode(c, 'UTF-8'), d, e, f, g, h, i, j, k,
l FROM (
NULL DEFINED AS 'NULL'
FROM t
) tmp;
+
+SELECT TRANSFORM(b, a, CAST(c AS STRING))
+ USING 'cat' AS (a, b, c)
+FROM script_trans
+WHERE a <= 4;
+
+SELECT TRANSFORM(1, 2, 3)
+ USING 'cat' AS (a, b, c)
+FROM script_trans
+WHERE a <= 4;
+
+SELECT TRANSFORM(1, 2)
+ USING 'cat' AS (a INT, b INT)
+FROM script_trans
+LIMIT 1;
+
+SELECT TRANSFORM(
+ b AS d5, a,
+ CASE
+ WHEN c > 100 THEN 1
+ WHEN c < 100 THEN 2
+ ELSE 3 END)
+ USING 'cat' AS (a, b, c)
+FROM script_trans
+WHERE a <= 4;
+
+SELECT TRANSFORM(b, a, c + 1)
+ USING 'cat' AS (a, b, c)
+FROM script_trans
+WHERE a <= 4;
+
+SELECT TRANSFORM(*)
+ USING 'cat' AS (a, b, c)
+FROM script_trans
+WHERE a <= 4;
Review comment:
> I just want to know why these tests are added in this PR... That's
because these tests seems to be not related to aggregation/window/lateralView.
Yea, here want to show after this pr's change, each kind of expressions can
work well, such as `alias`, `case when`, `binary compute` etc...
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