liuyu/pgvector
1
0
Fork 0
mirror of https://github.com/pgvector/pgvector.git synced 2026-07-01 02:02:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

Added regression tests for iterative search [skip ci]

Browse Source
This commit is contained in:
Andrew Kane
2024-10-11 11:07:11 -07:00
parent 2dc392ed6c
commit b26a21b848
4 changed files with 130 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
test/sql/ivfflat_vector.sql
View File

@@ -44,6 +44,18 @@ SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> (SELECT NULL::vector)) t2
DROP TABLE t;
-- iterative
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 ivfflat (val vector_l2_ops) WITH (lists = 3);
SET ivfflat.iterative_search = relaxed_order;
SELECT * FROM t ORDER BY val <-> '[3,3,3]';
RESET ivfflat.iterative_search;
DROP TABLE t;
-- unlogged
CREATE UNLOGGED TABLE t (val vector(3));
@@ -62,4 +74,16 @@ CREATE INDEX ON t USING ivfflat (val vector_l2_ops) WITH (lists = 32769);
SHOW ivfflat.probes;
SET ivfflat.probes = 0;
SET ivfflat.probes = 32769;
SHOW ivfflat.iterative_search;
SET ivfflat.iterative_search = on;
SHOW ivfflat.iterative_search_max_probes;
SET ivfflat.iterative_search_max_probes = -1;
SET ivfflat.iterative_search_max_probes = 32769;
DROP TABLE t;