d803bfe2b1
git-subtree-dir: vendor/ruvector git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
44 lines
1.7 KiB
SQL
44 lines
1.7 KiB
SQL
-- ============================================================================
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-- HNSW Access Method
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-- ============================================================================
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-- HNSW Access Method Handler
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CREATE OR REPLACE FUNCTION hnsw_handler(internal)
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RETURNS index_am_handler
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AS 'MODULE_PATHNAME', 'hnsw_handler_wrapper'
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LANGUAGE C STRICT;
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-- Create HNSW Access Method
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CREATE ACCESS METHOD hnsw TYPE INDEX HANDLER hnsw_handler;
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-- ============================================================================
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-- Operator Classes for HNSW
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-- ============================================================================
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-- HNSW Operator Class for L2 (Euclidean) distance
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CREATE OPERATOR CLASS ruvector_l2_ops
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DEFAULT FOR TYPE ruvector USING hnsw AS
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OPERATOR 1 <-> (ruvector, ruvector) FOR ORDER BY float_ops,
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FUNCTION 1 ruvector_l2_distance(ruvector, ruvector);
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COMMENT ON OPERATOR CLASS ruvector_l2_ops USING hnsw IS
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'ruvector HNSW operator class for L2/Euclidean distance';
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-- HNSW Operator Class for Cosine distance
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CREATE OPERATOR CLASS ruvector_cosine_ops
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FOR TYPE ruvector USING hnsw AS
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OPERATOR 1 <=> (ruvector, ruvector) FOR ORDER BY float_ops,
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FUNCTION 1 ruvector_cosine_distance(ruvector, ruvector);
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COMMENT ON OPERATOR CLASS ruvector_cosine_ops USING hnsw IS
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'ruvector HNSW operator class for cosine distance';
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-- HNSW Operator Class for Inner Product
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CREATE OPERATOR CLASS ruvector_ip_ops
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FOR TYPE ruvector USING hnsw AS
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OPERATOR 1 <#> (ruvector, ruvector) FOR ORDER BY float_ops,
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FUNCTION 1 ruvector_inner_product(ruvector, ruvector);
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COMMENT ON OPERATOR CLASS ruvector_ip_ops USING hnsw IS
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'ruvector HNSW operator class for inner product (max similarity)';
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