jackwener commented on code in PR #6614:
URL: https://github.com/apache/arrow-datafusion/pull/6614#discussion_r1224350123
##########
datafusion/core/tests/sqllogictests/test_files/scalar.slt:
##########
@@ -646,27 +646,27 @@ SELECT CASE WHEN NULL THEN 'foo' ELSE 'bar' END
bar
# case_expr_with_null()
-query I
+query ?
Review Comment:
It's strange. I can't understand it.
I exec sql to confirm `type coercion` is right
```sql
select arrow_typeof(case when b is null then null else b end) from (select
a,b from (values (1,null),(2,3)) as t (a,b)) a;
+------------------------------------------------------------+
| arrow_typeof(CASE WHEN a.b IS NULL THEN NULL ELSE a.b END) |
+------------------------------------------------------------+
| Int64 |
| Int64 |
+------------------------------------------------------------+
```
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