Files
pgvector/test/sql/hnsw_cosine.sql
2023-07-21 16:25:39 -07:00

13 lines
344 B
SQL

SET enable_seqscan = off;
CREATE TABLE t (val vector(3));
INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
CREATE INDEX ON t USING hnsw (val vector_cosine_ops);
INSERT INTO t (val) VALUES ('[1,2,4]');
SELECT * FROM t ORDER BY val <=> '[3,3,3]';
SELECT * FROM t ORDER BY val <=> (SELECT NULL::vector);
DROP TABLE t;