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This wasn't addressed in the original patch, but it doesn't take very much additional code to cover the case, so let's get it done. Since pg_trgm 1.1 hasn't been released yet, I just changed the definition of what's in it, rather than inventing a 1.2.
179 lines
5.3 KiB
SQL
179 lines
5.3 KiB
SQL
/* contrib/pg_trgm/pg_trgm--1.1.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pg_trgm" to load this file. \quit
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CREATE FUNCTION set_limit(float4)
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RETURNS float4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT VOLATILE;
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CREATE FUNCTION show_limit()
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RETURNS float4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT STABLE;
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CREATE FUNCTION show_trgm(text)
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RETURNS _text
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION similarity(text,text)
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RETURNS float4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE FUNCTION similarity_op(text,text)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT STABLE; -- stable because depends on trgm_limit
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CREATE OPERATOR % (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = similarity_op,
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COMMUTATOR = '%',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE FUNCTION similarity_dist(text,text)
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RETURNS float4
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR <-> (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = similarity_dist,
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COMMUTATOR = '<->'
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);
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-- gist key
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CREATE FUNCTION gtrgm_in(cstring)
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RETURNS gtrgm
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT;
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CREATE FUNCTION gtrgm_out(gtrgm)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT;
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CREATE TYPE gtrgm (
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INTERNALLENGTH = -1,
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INPUT = gtrgm_in,
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OUTPUT = gtrgm_out
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);
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-- support functions for gist
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CREATE FUNCTION gtrgm_consistent(internal,text,int,oid,internal)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_distance(internal,text,int,oid)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_compress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_decompress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_penalty(internal,internal,internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_picksplit(internal, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_union(bytea, internal)
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RETURNS _int4
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gtrgm_same(gtrgm, gtrgm, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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-- create the operator class for gist
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CREATE OPERATOR CLASS gist_trgm_ops
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FOR TYPE text USING gist
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AS
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OPERATOR 1 % (text, text),
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FUNCTION 1 gtrgm_consistent (internal, text, int, oid, internal),
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FUNCTION 2 gtrgm_union (bytea, internal),
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FUNCTION 3 gtrgm_compress (internal),
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FUNCTION 4 gtrgm_decompress (internal),
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FUNCTION 5 gtrgm_penalty (internal, internal, internal),
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FUNCTION 6 gtrgm_picksplit (internal, internal),
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FUNCTION 7 gtrgm_same (gtrgm, gtrgm, internal),
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STORAGE gtrgm;
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-- Add operators and support functions that are new in 9.1. We do it like
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-- this, leaving them "loose" in the operator family rather than bound into
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-- the gist_trgm_ops opclass, because that's the only state that can be
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-- reproduced during an upgrade from 9.0 (see pg_trgm--unpackaged--1.0.sql).
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ALTER OPERATOR FAMILY gist_trgm_ops USING gist ADD
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OPERATOR 2 <-> (text, text) FOR ORDER BY pg_catalog.float_ops,
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OPERATOR 3 pg_catalog.~~ (text, text),
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OPERATOR 4 pg_catalog.~~* (text, text),
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FUNCTION 8 (text, text) gtrgm_distance (internal, text, int, oid);
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-- Add operators that are new in 9.3.
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ALTER OPERATOR FAMILY gist_trgm_ops USING gist ADD
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OPERATOR 5 pg_catalog.~ (text, text),
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OPERATOR 6 pg_catalog.~* (text, text);
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-- support functions for gin
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CREATE FUNCTION gin_extract_value_trgm(text, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gin_extract_query_trgm(text, internal, int2, internal, internal, internal, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE FUNCTION gin_trgm_consistent(internal, int2, text, int4, internal, internal, internal, internal)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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-- create the operator class for gin
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CREATE OPERATOR CLASS gin_trgm_ops
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FOR TYPE text USING gin
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AS
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OPERATOR 1 % (text, text),
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FUNCTION 1 btint4cmp (int4, int4),
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FUNCTION 2 gin_extract_value_trgm (text, internal),
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FUNCTION 3 gin_extract_query_trgm (text, internal, int2, internal, internal, internal, internal),
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FUNCTION 4 gin_trgm_consistent (internal, int2, text, int4, internal, internal, internal, internal),
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STORAGE int4;
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-- Add operators that are new in 9.1.
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ALTER OPERATOR FAMILY gin_trgm_ops USING gin ADD
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OPERATOR 3 pg_catalog.~~ (text, text),
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OPERATOR 4 pg_catalog.~~* (text, text);
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-- Add operators that are new in 9.3.
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ALTER OPERATOR FAMILY gin_trgm_ops USING gin ADD
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OPERATOR 5 pg_catalog.~ (text, text),
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OPERATOR 6 pg_catalog.~* (text, text);
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