75 lines
2.1 KiB
SQL
75 lines
2.1 KiB
SQL
/* contrib/pg_trgm/pg_trgm--1.1--1.2.sql */
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-- complain if script is sourced in psql, rather than via ALTER EXTENSION
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\echo Use "ALTER EXTENSION pg_trgm UPDATE TO '1.2'" to load this file. \quit
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CREATE FUNCTION word_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 word_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 pg_trgm.word_similarity_threshold
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CREATE FUNCTION word_similarity_commutator_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 pg_trgm.word_similarity_threshold
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CREATE FUNCTION word_similarity_dist_op(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 word_similarity_dist_commutator_op(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 = word_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 OPERATOR %> (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = word_similarity_commutator_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 OPERATOR <<-> (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = word_similarity_dist_op,
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COMMUTATOR = '<->>'
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);
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CREATE OPERATOR <->> (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = word_similarity_dist_commutator_op,
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COMMUTATOR = '<<->'
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);
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CREATE FUNCTION gin_trgm_triconsistent(internal, int2, text, int4, internal, internal, internal)
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RETURNS "char"
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AS 'MODULE_PATHNAME'
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LANGUAGE C IMMUTABLE STRICT;
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ALTER OPERATOR FAMILY gist_trgm_ops USING gist ADD
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OPERATOR 7 %> (text, text),
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OPERATOR 8 <->> (text, text) FOR ORDER BY pg_catalog.float_ops;
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ALTER OPERATOR FAMILY gin_trgm_ops USING gin ADD
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OPERATOR 7 %> (text, text),
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FUNCTION 6 (text, text) gin_trgm_triconsistent (internal, int2, text, int4, internal, internal, internal);
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