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Removed support for L1 distance and Jaccard distance from ivfflat due to non-optimal clustering

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Andrew Kane
2024-04-22 14:11:29 -07:00
parent 881fbc15ef
commit b2f7dad8a7
15 changed files with 13 additions and 170 deletions
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18
sql/vector.sql
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@@ -293,12 +293,6 @@ CREATE OPERATOR CLASS vector_cosine_ops
FUNCTION 3 vector_spherical_distance(vector, vector),
FUNCTION 4 vector_norm(vector);
CREATE OPERATOR CLASS vector_l1_ops
FOR TYPE vector USING ivfflat AS
OPERATOR 1 <+> (vector, vector) FOR ORDER BY float_ops,
FUNCTION 1 l1_distance(vector, vector),
FUNCTION 3 l1_distance(vector, vector);
CREATE OPERATOR CLASS vector_l2_ops
FOR TYPE vector USING hnsw AS
OPERATOR 1 <-> (vector, vector) FOR ORDER BY float_ops,
@@ -348,12 +342,6 @@ CREATE OPERATOR CLASS bit_hamming_ops
FUNCTION 1 hamming_distance(bit, bit),
FUNCTION 3 hamming_distance(bit, bit);
CREATE OPERATOR CLASS bit_jaccard_ops
FOR TYPE bit USING ivfflat AS
OPERATOR 1 <%> (bit, bit) FOR ORDER BY float_ops,
FUNCTION 1 jaccard_distance(bit, bit),
FUNCTION 3 jaccard_distance(bit, bit);
CREATE OPERATOR CLASS bit_hamming_ops
FOR TYPE bit USING hnsw AS
OPERATOR 1 <~> (bit, bit) FOR ORDER BY float_ops,
@@ -649,12 +637,6 @@ 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,