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Added jaccard_distance function

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Andrew Kane
2024-03-25 22:35:53 -07:00
parent e7a7936bb2
commit 791fc2436f
7 changed files with 76 additions and 0 deletions
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sql/vector.sql
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@@ -296,6 +296,9 @@ CREATE OPERATOR CLASS vector_cosine_ops
CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION jaccard_distance(bit, bit) RETURNS float8
AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE OPERATOR <~> (
LEFTARG = bit, RIGHTARG = bit, PROCEDURE = hamming_distance,
COMMUTATOR = '<~>'