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Added support for indexing sparsevec with L1 distance [skip ci]

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Andrew Kane
2024-04-22 13:08:12 -07:00
parent 70b299a7ff
commit 9f4b770db3
6 changed files with 57 additions and 4 deletions
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12
test/sql/hnsw_sparsevec_l1.sql Normal file
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SET enable_seqscan = off;
CREATE TABLE t (val sparsevec(3));
INSERT INTO t (val) VALUES ('{}/3'), ('{1:1,2:2,3:3}/3'), ('{1:1,2:1,3:1}/3'), (NULL);
CREATE INDEX ON t USING hnsw (val sparsevec_l1_ops);
INSERT INTO t (val) VALUES ('{1:1,2:2,3:4}/3');
SELECT * FROM t ORDER BY val <+> '{1:3,2:3,3:3}/3';
SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <+> (SELECT NULL::sparsevec)) t2;
DROP TABLE t;