statement ok
SET enable_seqscan = off;

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

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

# statement ok
# SET vchordrq.max_parallel_vacuum_workers = 0;

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

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
VACUUM t;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

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

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
VACUUM t;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
DELETE FROM t WHERE vector_norm(val) < 0.333;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
VACUUM t;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
DELETE FROM t WHERE vector_norm(val) < 0.333;

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

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
VACUUM t;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

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

statement ok
DELETE FROM t WHERE vector_norm(val) > 0.667;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
VACUUM t;

statement ok
SELECT val FROM t ORDER BY val <-> '[0.5,0.5,0.5]' limit 10;

statement ok
DROP TABLE t;