99 lines
4.1 KiB
SQL
99 lines
4.1 KiB
SQL
/* contrib/pg_trgm/pg_trgm--unpackaged--1.0.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 FROM unpackaged" to load this file. \quit
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ALTER EXTENSION pg_trgm ADD function set_limit(real);
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ALTER EXTENSION pg_trgm ADD function show_limit();
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ALTER EXTENSION pg_trgm ADD function show_trgm(text);
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ALTER EXTENSION pg_trgm ADD function similarity(text,text);
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ALTER EXTENSION pg_trgm ADD function similarity_op(text,text);
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ALTER EXTENSION pg_trgm ADD operator %(text,text);
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ALTER EXTENSION pg_trgm ADD type gtrgm;
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ALTER EXTENSION pg_trgm ADD function gtrgm_in(cstring);
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ALTER EXTENSION pg_trgm ADD function gtrgm_out(gtrgm);
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ALTER EXTENSION pg_trgm ADD function gtrgm_consistent(internal,text,integer,oid,internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_compress(internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_decompress(internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_penalty(internal,internal,internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_picksplit(internal,internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_union(bytea,internal);
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ALTER EXTENSION pg_trgm ADD function gtrgm_same(gtrgm,gtrgm,internal);
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ALTER EXTENSION pg_trgm ADD operator family gist_trgm_ops using gist;
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ALTER EXTENSION pg_trgm ADD operator class gist_trgm_ops using gist;
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ALTER EXTENSION pg_trgm ADD operator family gin_trgm_ops using gin;
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ALTER EXTENSION pg_trgm ADD operator class gin_trgm_ops using gin;
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-- These functions had different names/signatures in 9.0. We can't just
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-- drop and recreate them because they are linked into the GIN opclass,
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-- so we need some ugly hacks.
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-- First, absorb them into the extension under their old names.
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ALTER EXTENSION pg_trgm ADD function gin_extract_trgm(text, internal);
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ALTER EXTENSION pg_trgm ADD function gin_extract_trgm(text, internal, int2, internal, internal);
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ALTER EXTENSION pg_trgm ADD function gin_trgm_consistent(internal,smallint,text,integer,internal,internal);
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-- Fix the names, and then do CREATE OR REPLACE to adjust the function
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-- bodies to be correct (ie, reference the correct C symbol).
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ALTER FUNCTION gin_extract_trgm(text, internal)
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RENAME TO gin_extract_value_trgm;
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CREATE OR REPLACE 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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ALTER FUNCTION gin_extract_trgm(text, internal, int2, internal, internal)
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RENAME TO gin_extract_query_trgm;
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CREATE OR REPLACE FUNCTION gin_extract_query_trgm(text, internal, int2, 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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-- gin_trgm_consistent didn't change name.
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-- Last, fix the parameter lists by means of direct UPDATE on the pg_proc
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-- entries. This is ugly as can be, but there's no other way to do it
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-- while preserving the identities (OIDs) of the functions.
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UPDATE pg_catalog.pg_proc
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SET pronargs = 7, proargtypes = '25 2281 21 2281 2281 2281 2281'
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WHERE oid = 'gin_extract_query_trgm(text,internal,int2,internal,internal)'::pg_catalog.regprocedure;
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UPDATE pg_catalog.pg_proc
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SET pronargs = 8, proargtypes = '2281 21 25 23 2281 2281 2281 2281'
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WHERE oid = 'gin_trgm_consistent(internal,smallint,text,integer,internal,internal)'::pg_catalog.regprocedure;
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-- These were not in 9.0:
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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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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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-- Add new stuff to the operator classes. See comment in pg_trgm--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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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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