HyukjinKwon commented on a change in pull request #35735:
URL: https://github.com/apache/spark/pull/35735#discussion_r820309557
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File path: sql/core/src/test/resources/sql-tests/results/group-by.sql.out
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@@ -708,9 +708,112 @@ FROM VALUES
(31), (32), (33), (34), (35), (3), (37), (38), (39), (40),
(41), (42), (43), (44), (45), (46), (47), (48), (49), (50) AS tab(col)
-- !query schema
-struct<histogram_2:array<struct<x:double,y:double>>,histogram_3:array<struct<x:double,y:double>>,histogram_5:array<struct<x:double,y:double>>,histogram_10:array<struct<x:double,y:double>>>
+struct<histogram_2:array<struct<x:int,y:double>>,histogram_3:array<struct<x:int,y:double>>,histogram_5:array<struct<x:int,y:double>>,histogram_10:array<struct<x:int,y:double>>>
Review comment:
I guess the double value behaivour is from
[Hive's](https://cwiki.apache.org/confluence/display/hive/languagemanual+udf)
while I like it to match the input type. I think we should have a switch to
turn on and off this behaviour.
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