statement ok
SET search_path TO pg_temp, vectors;

statement ok
CREATE TABLE t (val vector(3));

statement ok
CREATE INDEX ON t USING vectors (val vector_l2_ops);

statement error The dimension of a vector does not matched that in a vector index column.
INSERT INTO t (val) VALUES ('[0, 1, 2, 3]');

statement error The dimension of a vector does not matched that in a vector index column.
SELECT * FROM t ORDER BY val <-> '[0, 1, 2, 3]';