liuyu/pgvector
1
0
Fork 0
mirror of https://github.com/pgvector/pgvector.git synced 2026-07-01 18:21:16 +08:00
Code Issues Packages Projects Releases Wiki Activity

Added halfvec type

Browse Source
This commit is contained in:
Andrew Kane
2024-04-02 13:55:45 -07:00
parent 1134e52762
commit 32a502c838
28 changed files with 1972 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
test/sql/hnsw_halfvec_ip.sql Normal file
View File

@@ -0,0 +1,12 @@
SET enable_seqscan = off;
CREATE TABLE t (val halfvec(3));
INSERT INTO t (val) VALUES ('[0,0,0]'), ('[1,2,3]'), ('[1,1,1]'), (NULL);
CREATE INDEX ON t USING hnsw (val halfvec_ip_ops);
INSERT INTO t (val) VALUES ('[1,2,4]');
SELECT * FROM t ORDER BY val <#> '[3,3,3]';
SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <#> (SELECT NULL::halfvec)) t2;
DROP TABLE t;