CREATE TABLE t (val vector(3), val2 halfvec(3), val3 sparsevec(3)); INSERT INTO t (val, val2, val3) VALUES ('[0,0,0]', '[0,0,0]', '{}/3'), ('[1,2,3]', '[1,2,3]', '{1:1,2:2,3:3}/3'), ('[1,1,1]', '[1,1,1]', '{1:1,2:1,3:1}/3'), (NULL, NULL, NULL); CREATE TABLE t2 (val vector(3), val2 halfvec(3), val3 sparsevec(3)); \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;