CREATE TABLE t (val vector(3), val2 half[]);
INSERT INTO t (val, val2) VALUES ('[0,0,0]', '{0,0,0}'), ('[1,2,3]', '{1,2,3}'), ('[1,1,1]', '{1,1,1}'), (NULL, NULL);

CREATE TABLE t2 (val vector(3), val2 half[]);

\copy t TO 'results/data.bin' WITH (FORMAT binary)
\copy t2 FROM 'results/data.bin' WITH (FORMAT binary)

SELECT * FROM t2 ORDER BY val;

DROP TABLE t;
DROP TABLE t2;