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This commit is contained in:
Andrew Kane
2024-03-25 15:25:04 -07:00
parent 21dfed5719
commit 263e684824
4 changed files with 53 additions and 0 deletions
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sql/vector.sql
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@@ -292,3 +292,13 @@ CREATE OPERATOR CLASS vector_cosine_ops
CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE OPERATOR <~> (
LEFTARG = bit, RIGHTARG = bit, PROCEDURE = hamming_distance,
COMMUTATOR = '<~>'
);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 hamming_distance(bit, bit);