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

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This commit is contained in:
Andrew Kane
2024-04-22 13:00:59 -07:00
parent d46d014234
commit 70b299a7ff
10 changed files with 105 additions and 6 deletions
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16
sql/vector.sql
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@@ -558,6 +558,11 @@ CREATE OPERATOR <=> (
COMMUTATOR = '<=>'
);
CREATE OPERATOR <+> (
LEFTARG = halfvec, RIGHTARG = halfvec, PROCEDURE = l1_distance,
COMMUTATOR = '<+>'
);
CREATE OPERATOR + (
LEFTARG = halfvec, RIGHTARG = halfvec, PROCEDURE = halfvec_add,
COMMUTATOR = +
@@ -644,6 +649,12 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 3 halfvec_spherical_distance(halfvec, halfvec),
FUNCTION 4 l2_norm(halfvec);
CREATE OPERATOR CLASS halfvec_l1_ops
FOR TYPE halfvec USING ivfflat AS
OPERATOR 1 <+> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(halfvec, halfvec),
FUNCTION 3 l1_distance(halfvec, halfvec);
CREATE OPERATOR CLASS halfvec_l2_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <-> (halfvec, halfvec) FOR ORDER BY float_ops,
@@ -660,6 +671,11 @@ CREATE OPERATOR CLASS halfvec_cosine_ops
FUNCTION 1 halfvec_negative_inner_product(halfvec, halfvec),
FUNCTION 2 l2_norm(halfvec);
CREATE OPERATOR CLASS halfvec_l1_ops
FOR TYPE halfvec USING hnsw AS
OPERATOR 1 <+> (halfvec, halfvec) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(halfvec, halfvec);
--- sparsevec type
CREATE TYPE sparsevec;