# name: test/sql/upsert/upsert_unique_null.test
# group: [upsert]

statement ok
pragma enable_verification;

statement ok
create or replace table tbl (
	a integer unique,
	b integer
);

statement ok
insert into tbl VALUES (3,2), (1,3);

statement ok
insert into tbl(b) VALUES (5) ON CONFLICT (a) DO UPDATE SET b = 8;

# UNIQUE can be NULL, PRIMARY KEY can't be
query II
select * from tbl;
----
3	2
1	3
NULL	5

statement ok
insert into tbl(b) VALUES (5) ON CONFLICT (a) DO UPDATE SET b = 8;

# And NULL does not take part in the UNIQUE Index, so it does not activate the ON CONFLICT clause
query II
select * from tbl;
----
3	2
1	3
NULL	5
NULL	5