[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #5820: fix: Enhance case expression type coercion

["alamb (via GitHub)" <gi...@apache.org>]

alamb commented on code in PR #5820:
URL: https://github.com/apache/arrow-datafusion/pull/5820#discussion_r1155363938


##########
datafusion/core/tests/sqllogictests/test_files/select.slt:
##########
@@ -214,3 +214,9 @@ select * from (select 1 a union all select 2) b order by a limit null;
 query I
 select * from (select 1 a union all select 2) b order by a limit 0;
 ----
+
+# select case when type coercion
+query I
+select CASE 10.5 WHEN 0 THEN 1 ELSE 10 END as col;
+----
+10

Review Comment:
   Yes, you can use the `SET` command to change config values. For example https://github.com/apache/arrow-datafusion/blob/7b90474adf6c1afbb4a5988a5677834b07347321/datafusion/core/tests/sqllogictests/test_files/information_schema.slt#L30



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