statement ok
SET enable_seqscan TO off;

statement ok
CREATE TABLE t (index serial primary key, val vector(64)[2]);

statement ok
INSERT INTO t (val)
SELECT
    ARRAY[
        l2_normalize(ARRAY(
            SELECT
                ('x' || substring(md5((64 * i + j)::text), 1, 16))::bit(64)::bigint / 18446744073709551615.0
            FROM generate_series(1, 64) d(j)
        )::vector),
        l2_normalize(ARRAY(
            SELECT
                ('x' || substring(md5((64 * i + j)::text), 1, 16))::bit(64)::bigint / 18446744073709551615.0
            FROM generate_series(1, 64) d(j)
        )::vector)
    ]
FROM generate_series(1, 2048) s(i);

statement ok
CREATE INDEX ti ON t USING vchordrq (val vector_maxsim_ops);

query I
SELECT index FROM t ORDER BY
val @# ARRAY[
    array_cat(ARRAY[0.6, 0.8], ARRAY(SELECT 0.0 FROM generate_series(1, 62)))::vector,
    array_cat(ARRAY[0.3, 0.4], ARRAY(SELECT 0.0 FROM generate_series(1, 62)))::vector
]
LIMIT 10;
----
1207
919
1639
1821
174
79
1076
1125
239
194

statement ok
DROP INDEX ti;

statement ok
CREATE INDEX ti ON t USING vchordrq ((val::halfvec(64)[2]) halfvec_maxsim_ops);

query I
SELECT index FROM t ORDER BY
val::halfvec(64)[] @# ARRAY[
    array_cat(ARRAY[0.6, 0.8], ARRAY(SELECT 0.0 FROM generate_series(1, 62)))::halfvec,
    array_cat(ARRAY[0.3, 0.4], ARRAY(SELECT 0.0 FROM generate_series(1, 62)))::halfvec
]
LIMIT 10;
----
1207
919
1639
1821
174
79
1076
1125
239
194

statement ok
DROP INDEX ti;

statement ok
DROP TABLE t;