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Add test to verify count aggregate function should not be nullable #12100

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Merged
alamb merged 1 commit into from
Aug 21, 2024
Merged

Add test to verify count aggregate function should not be nullable #12100

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12 changes: 12 additions & 0 deletions datafusion/sqllogictest/test_files/aggregate.slt
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Original file line number Diff line number Diff line change
Expand Up @@ -5387,6 +5387,18 @@ physical_plan
statement ok
DROP TABLE empty;

# verify count aggregate function should not be nullable
statement ok
create table empty;

query I
select distinct count() from empty;
----
0

statement ok
DROP TABLE empty;

statement ok
CREATE TABLE t(col0 INTEGER) as VALUES(2);

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