statement ok
SET search_path TO pg_temp, vectors;

statement ok
CREATE TABLE t (id bigserial, val vector);

statement ok
INSERT INTO t (val) SELECT NULL FROM generate_series(1, 1000);

statement ok
INSERT INTO t (val) SELECT ARRAY[random()]::real[] FROM generate_series(1, 1000);

statement ok
INSERT INTO t (val) SELECT ARRAY[random(), random()]::real[] FROM generate_series(1, 1000);

statement ok
INSERT INTO t (val) SELECT ARRAY[random(), random(), random()]::real[] FROM generate_series(1, 1000);

statement ok
COPY t TO '/tmp/data.bin' WITH (FORMAT binary);

statement ok
CREATE TABLE t2 (id bigserial, val vector);

statement ok
COPY t2 FROM '/tmp/data.bin' WITH (FORMAT binary);

query I
SELECT SUM(((t.val = t2.val) OR (t.val IS NULL and t2.val IS NULL))::int) FROM t FULL OUTER JOIN t2 ON t.id = t2.id;
----
4000

statement ok
DROP TABLE t;

statement ok
DROP TABLE t2;