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https://github.com/pgvector/pgvector.git
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Added minivec type
This commit is contained in:
Andrew Kane
265
sql/vector.sql
265
sql/vector.sql
@@ -272,6 +272,9 @@ CREATE FUNCTION ivfflat_bit_support(internal) RETURNS internal
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CREATE FUNCTION hnsw_halfvec_support(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE C;
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CREATE FUNCTION hnsw_minivec_support(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE C;
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CREATE FUNCTION hnsw_bit_support(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE C;
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@@ -647,6 +650,268 @@ CREATE OPERATOR CLASS halfvec_l1_ops
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FUNCTION 1 l1_distance(halfvec, halfvec),
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FUNCTION 3 hnsw_halfvec_support(internal);
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-- minivec type
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CREATE TYPE minivec;
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CREATE FUNCTION minivec_in(cstring, oid, integer) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_out(minivec) RETURNS cstring
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_typmod_in(cstring[]) RETURNS integer
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_recv(internal, oid, integer) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_send(minivec) RETURNS bytea
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE TYPE minivec (
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INPUT = minivec_in,
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OUTPUT = minivec_out,
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TYPMOD_IN = minivec_typmod_in,
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RECEIVE = minivec_recv,
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SEND = minivec_send,
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STORAGE = external
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);
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-- minivec functions
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CREATE FUNCTION l2_distance(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME', 'minivec_l2_distance' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION inner_product(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME', 'minivec_inner_product' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION cosine_distance(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME', 'minivec_cosine_distance' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION l1_distance(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME', 'minivec_l1_distance' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION vector_dims(minivec) RETURNS integer
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AS 'MODULE_PATHNAME', 'minivec_vector_dims' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION l2_norm(minivec) RETURNS float8
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AS 'MODULE_PATHNAME', 'minivec_l2_norm' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION l2_normalize(minivec) RETURNS minivec
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AS 'MODULE_PATHNAME', 'minivec_l2_normalize' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION binary_quantize(minivec) RETURNS bit
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AS 'MODULE_PATHNAME', 'minivec_binary_quantize' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION subvector(minivec, int, int) RETURNS minivec
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AS 'MODULE_PATHNAME', 'minivec_subvector' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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-- minivec private functions
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CREATE FUNCTION minivec_add(minivec, minivec) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_sub(minivec, minivec) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_mul(minivec, minivec) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_concat(minivec, minivec) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_lt(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_le(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_eq(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_ne(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_ge(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_gt(minivec, minivec) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_cmp(minivec, minivec) RETURNS int4
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_l2_squared_distance(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_negative_inner_product(minivec, minivec) RETURNS float8
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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-- minivec cast functions
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CREATE FUNCTION minivec(minivec, integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_to_vector(minivec, integer, boolean) RETURNS vector
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION vector_to_minivec(vector, integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION array_to_minivec(integer[], integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION array_to_minivec(real[], integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION array_to_minivec(double precision[], integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION array_to_minivec(numeric[], integer, boolean) RETURNS minivec
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE FUNCTION minivec_to_float4(minivec, integer, boolean) RETURNS real[]
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AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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-- minivec casts
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CREATE CAST (minivec AS minivec)
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WITH FUNCTION minivec(minivec, integer, boolean) AS IMPLICIT;
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CREATE CAST (minivec AS vector)
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WITH FUNCTION minivec_to_vector(minivec, integer, boolean) AS ASSIGNMENT;
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CREATE CAST (vector AS minivec)
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WITH FUNCTION vector_to_minivec(vector, integer, boolean) AS IMPLICIT;
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CREATE CAST (minivec AS real[])
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WITH FUNCTION minivec_to_float4(minivec, integer, boolean) AS ASSIGNMENT;
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CREATE CAST (integer[] AS minivec)
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WITH FUNCTION array_to_minivec(integer[], integer, boolean) AS ASSIGNMENT;
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CREATE CAST (real[] AS minivec)
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WITH FUNCTION array_to_minivec(real[], integer, boolean) AS ASSIGNMENT;
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CREATE CAST (double precision[] AS minivec)
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WITH FUNCTION array_to_minivec(double precision[], integer, boolean) AS ASSIGNMENT;
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CREATE CAST (numeric[] AS minivec)
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WITH FUNCTION array_to_minivec(numeric[], integer, boolean) AS ASSIGNMENT;
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-- minivec operators
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CREATE OPERATOR <-> (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = l2_distance,
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COMMUTATOR = '<->'
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);
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CREATE OPERATOR <#> (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_negative_inner_product,
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COMMUTATOR = '<#>'
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);
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CREATE OPERATOR <=> (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = cosine_distance,
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COMMUTATOR = '<=>'
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);
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CREATE OPERATOR <+> (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = l1_distance,
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COMMUTATOR = '<+>'
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);
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CREATE OPERATOR + (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_add,
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COMMUTATOR = +
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);
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CREATE OPERATOR - (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_sub
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);
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CREATE OPERATOR * (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_mul,
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COMMUTATOR = *
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);
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CREATE OPERATOR || (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_concat
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);
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CREATE OPERATOR < (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_lt,
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COMMUTATOR = > , NEGATOR = >= ,
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RESTRICT = scalarltsel, JOIN = scalarltjoinsel
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);
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CREATE OPERATOR <= (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_le,
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COMMUTATOR = >= , NEGATOR = > ,
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RESTRICT = scalarlesel, JOIN = scalarlejoinsel
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);
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CREATE OPERATOR = (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_eq,
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COMMUTATOR = = , NEGATOR = <> ,
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RESTRICT = eqsel, JOIN = eqjoinsel
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);
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CREATE OPERATOR <> (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_ne,
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COMMUTATOR = <> , NEGATOR = = ,
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RESTRICT = eqsel, JOIN = eqjoinsel
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);
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CREATE OPERATOR >= (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_ge,
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COMMUTATOR = <= , NEGATOR = < ,
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RESTRICT = scalargesel, JOIN = scalargejoinsel
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);
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CREATE OPERATOR > (
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LEFTARG = minivec, RIGHTARG = minivec, PROCEDURE = minivec_gt,
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COMMUTATOR = < , NEGATOR = <= ,
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RESTRICT = scalargtsel, JOIN = scalargtjoinsel
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);
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-- minivec op classes
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CREATE OPERATOR CLASS minivec_ops
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DEFAULT FOR TYPE minivec USING btree AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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FUNCTION 1 minivec_cmp(minivec, minivec);
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CREATE OPERATOR CLASS minivec_l2_ops
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FOR TYPE minivec USING hnsw AS
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OPERATOR 1 <-> (minivec, minivec) FOR ORDER BY float_ops,
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FUNCTION 1 minivec_l2_squared_distance(minivec, minivec),
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FUNCTION 3 hnsw_minivec_support(internal);
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CREATE OPERATOR CLASS minivec_ip_ops
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FOR TYPE minivec USING hnsw AS
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OPERATOR 1 <#> (minivec, minivec) FOR ORDER BY float_ops,
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FUNCTION 1 minivec_negative_inner_product(minivec, minivec),
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FUNCTION 3 hnsw_minivec_support(internal);
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CREATE OPERATOR CLASS minivec_cosine_ops
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FOR TYPE minivec USING hnsw AS
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OPERATOR 1 <=> (minivec, minivec) FOR ORDER BY float_ops,
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FUNCTION 1 minivec_negative_inner_product(minivec, minivec),
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FUNCTION 2 l2_norm(minivec),
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FUNCTION 3 hnsw_minivec_support(internal);
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CREATE OPERATOR CLASS minivec_l1_ops
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FOR TYPE minivec USING hnsw AS
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OPERATOR 1 <+> (minivec, minivec) FOR ORDER BY float_ops,
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FUNCTION 1 l1_distance(minivec, minivec),
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FUNCTION 3 hnsw_minivec_support(internal);
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-- bit functions
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CREATE FUNCTION hamming_distance(bit, bit) RETURNS float8
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