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Remove the 64K limit on the lengths of keys and values within an hstore. (This changes the on-disk format, but the old format can still be read.) Add support for btree/hash opclasses for hstore --- this is not so much for actual indexing purposes as to allow use of GROUP BY, DISTINCT, etc. Add various other new functions and operators. Andrew Gierth
543 lines
13 KiB
MySQL
543 lines
13 KiB
MySQL
/* $PostgreSQL: pgsql/contrib/hstore/hstore.sql.in,v 1.12 2009/09/30 19:50:22 tgl Exp $ */
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-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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CREATE TYPE hstore;
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CREATE OR REPLACE FUNCTION hstore_in(cstring)
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RETURNS hstore
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_out(hstore)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_recv(internal)
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RETURNS hstore
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_send(hstore)
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RETURNS bytea
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE hstore (
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INTERNALLENGTH = -1,
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INPUT = hstore_in,
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OUTPUT = hstore_out,
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RECEIVE = hstore_recv,
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SEND = hstore_send,
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STORAGE = extended
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);
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CREATE OR REPLACE FUNCTION hstore_version_diag(hstore)
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RETURNS integer
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AS 'MODULE_PATHNAME','hstore_version_diag'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION fetchval(hstore,text)
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RETURNS text
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AS 'MODULE_PATHNAME','hstore_fetchval'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR -> (
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LEFTARG = hstore,
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RIGHTARG = text,
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PROCEDURE = fetchval
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);
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CREATE OR REPLACE FUNCTION slice_array(hstore,text[])
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RETURNS text[]
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AS 'MODULE_PATHNAME','hstore_slice_to_array'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR -> (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = slice_array
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);
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CREATE OR REPLACE FUNCTION slice_hstore(hstore,text[])
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_slice_to_hstore'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR => (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = slice_hstore
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);
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CREATE OR REPLACE FUNCTION isexists(hstore,text)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_exists'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION exist(hstore,text)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_exists'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ? (
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LEFTARG = hstore,
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RIGHTARG = text,
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PROCEDURE = exist,
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OR REPLACE FUNCTION exists_any(hstore,text[])
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_exists_any'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?| (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = exists_any,
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OR REPLACE FUNCTION exists_all(hstore,text[])
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_exists_all'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR ?& (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = exists_all,
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OR REPLACE FUNCTION isdefined(hstore,text)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_defined'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION defined(hstore,text)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_defined'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION delete(hstore,text)
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_delete'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION delete(hstore,text[])
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_delete_array'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION delete(hstore,hstore)
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_delete_hstore'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR - (
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LEFTARG = hstore,
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RIGHTARG = text,
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PROCEDURE = delete
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);
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CREATE OPERATOR - (
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LEFTARG = hstore,
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RIGHTARG = text[],
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PROCEDURE = delete
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);
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CREATE OPERATOR - (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = delete
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);
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CREATE OR REPLACE FUNCTION hs_concat(hstore,hstore)
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_concat'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR || (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hs_concat
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);
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CREATE OR REPLACE FUNCTION hs_contains(hstore,hstore)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_contains'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hs_contained(hstore,hstore)
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RETURNS bool
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AS 'MODULE_PATHNAME','hstore_contained'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR @> (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hs_contains,
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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 = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hs_contained,
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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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-- obsolete:
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CREATE OPERATOR @ (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hs_contains,
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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 = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hs_contained,
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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 OR REPLACE FUNCTION tconvert(text,text)
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_from_text'
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LANGUAGE C IMMUTABLE; -- not STRICT; needs to allow (key,NULL)
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CREATE OR REPLACE FUNCTION hstore(text,text)
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RETURNS hstore
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AS 'MODULE_PATHNAME','hstore_from_text'
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LANGUAGE C IMMUTABLE; -- not STRICT; needs to allow (key,NULL)
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CREATE OPERATOR => (
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LEFTARG = text,
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RIGHTARG = text,
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PROCEDURE = hstore
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);
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CREATE OR REPLACE FUNCTION hstore(text[],text[])
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RETURNS hstore
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AS 'MODULE_PATHNAME', 'hstore_from_arrays'
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LANGUAGE C IMMUTABLE; -- not STRICT; allows (keys,null)
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CREATE OPERATOR => (
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LEFTARG = text[],
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RIGHTARG = text[],
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PROCEDURE = hstore
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);
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CREATE FUNCTION hstore(text[])
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RETURNS hstore
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AS 'MODULE_PATHNAME', 'hstore_from_array'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE CAST (text[] AS hstore)
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WITH FUNCTION hstore(text[]);
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CREATE OR REPLACE FUNCTION hstore(record)
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RETURNS hstore
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AS 'MODULE_PATHNAME', 'hstore_from_record'
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LANGUAGE C IMMUTABLE; -- not STRICT; allows (null::recordtype)
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CREATE OR REPLACE FUNCTION hstore_to_array(hstore)
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RETURNS text[]
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AS 'MODULE_PATHNAME','hstore_to_array'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR %% (
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RIGHTARG = hstore,
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PROCEDURE = hstore_to_array
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);
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CREATE OR REPLACE FUNCTION hstore_to_matrix(hstore)
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RETURNS text[]
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AS 'MODULE_PATHNAME','hstore_to_matrix'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR %# (
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RIGHTARG = hstore,
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PROCEDURE = hstore_to_matrix
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);
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CREATE OR REPLACE FUNCTION akeys(hstore)
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RETURNS text[]
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AS 'MODULE_PATHNAME','hstore_akeys'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION avals(hstore)
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RETURNS text[]
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AS 'MODULE_PATHNAME','hstore_avals'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION skeys(hstore)
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RETURNS setof text
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AS 'MODULE_PATHNAME','hstore_skeys'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION svals(hstore)
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RETURNS setof text
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AS 'MODULE_PATHNAME','hstore_svals'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION each(IN hs hstore,
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OUT key text,
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OUT value text)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME','hstore_each'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION populate_record(anyelement,hstore)
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RETURNS anyelement
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AS 'MODULE_PATHNAME', 'hstore_populate_record'
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LANGUAGE C IMMUTABLE; -- not STRICT; allows (null::rectype,hstore)
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CREATE OPERATOR #= (
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LEFTARG = anyelement,
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RIGHTARG = hstore,
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PROCEDURE = populate_record
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);
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-- btree support
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CREATE OR REPLACE FUNCTION hstore_eq(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_eq'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_ne(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_ne'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_gt(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_gt'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_ge(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_ge'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_lt(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_lt'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_le(hstore,hstore)
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RETURNS boolean
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AS 'MODULE_PATHNAME','hstore_le'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION hstore_cmp(hstore,hstore)
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RETURNS integer
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AS 'MODULE_PATHNAME','hstore_cmp'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR = (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_eq,
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COMMUTATOR = =,
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NEGATOR = <>,
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RESTRICT = eqsel,
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JOIN = eqjoinsel,
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MERGES,
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HASHES
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);
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CREATE OPERATOR <> (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_ne,
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COMMUTATOR = <>,
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NEGATOR = =,
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RESTRICT = neqsel,
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JOIN = neqjoinsel
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);
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-- the comparison operators have funky names (and are undocumented)
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-- in an attempt to discourage anyone from actually using them. they
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-- only exist to support the btree opclass
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CREATE OPERATOR #<# (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_lt,
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COMMUTATOR = #>#,
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NEGATOR = #>=#,
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RESTRICT = scalarltsel,
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JOIN = scalarltjoinsel
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);
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CREATE OPERATOR #<=# (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_le,
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COMMUTATOR = #>=#,
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NEGATOR = #>#,
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RESTRICT = scalarltsel,
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JOIN = scalarltjoinsel
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);
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CREATE OPERATOR #># (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_gt,
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COMMUTATOR = #<#,
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NEGATOR = #<=#,
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RESTRICT = scalargtsel,
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JOIN = scalargtjoinsel
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);
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CREATE OPERATOR #>=# (
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LEFTARG = hstore,
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RIGHTARG = hstore,
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PROCEDURE = hstore_ge,
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COMMUTATOR = #<=#,
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NEGATOR = #<#,
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RESTRICT = scalargtsel,
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JOIN = scalargtjoinsel
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);
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CREATE OPERATOR CLASS btree_hstore_ops
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DEFAULT FOR TYPE hstore USING btree
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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 hstore_cmp(hstore,hstore);
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-- hash support
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CREATE OR REPLACE FUNCTION hstore_hash(hstore)
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RETURNS integer
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AS 'MODULE_PATHNAME','hstore_hash'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OPERATOR CLASS hash_hstore_ops
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DEFAULT FOR TYPE hstore USING hash
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AS
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OPERATOR 1 = ,
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FUNCTION 1 hstore_hash(hstore);
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-- GiST support
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CREATE TYPE ghstore;
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CREATE OR REPLACE FUNCTION ghstore_in(cstring)
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RETURNS ghstore
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE OR REPLACE FUNCTION ghstore_out(ghstore)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT IMMUTABLE;
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CREATE TYPE ghstore (
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INTERNALLENGTH = -1,
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INPUT = ghstore_in,
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OUTPUT = ghstore_out
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);
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CREATE OR REPLACE FUNCTION ghstore_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 OR REPLACE FUNCTION ghstore_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 OR REPLACE FUNCTION ghstore_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 OR REPLACE FUNCTION ghstore_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 OR REPLACE FUNCTION ghstore_union(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 OR REPLACE FUNCTION ghstore_same(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 OR REPLACE FUNCTION ghstore_consistent(internal,internal,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 OPERATOR CLASS gist_hstore_ops
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DEFAULT FOR TYPE hstore USING gist
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AS
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OPERATOR 7 @> ,
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OPERATOR 9 ?(hstore,text) ,
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OPERATOR 10 ?|(hstore,text[]) ,
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OPERATOR 11 ?&(hstore,text[]) ,
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--OPERATOR 8 <@ ,
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OPERATOR 13 @ ,
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--OPERATOR 14 ~ ,
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FUNCTION 1 ghstore_consistent (internal, internal, int, oid, internal),
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FUNCTION 2 ghstore_union (internal, internal),
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FUNCTION 3 ghstore_compress (internal),
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FUNCTION 4 ghstore_decompress (internal),
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FUNCTION 5 ghstore_penalty (internal, internal, internal),
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FUNCTION 6 ghstore_picksplit (internal, internal),
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FUNCTION 7 ghstore_same (internal, internal, internal),
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STORAGE ghstore;
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-- GIN support
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CREATE OR REPLACE FUNCTION gin_extract_hstore(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 OR REPLACE FUNCTION gin_extract_hstore_query(internal, 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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CREATE OR REPLACE FUNCTION gin_consistent_hstore(internal, int2, internal, int4, 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 OPERATOR CLASS gin_hstore_ops
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DEFAULT FOR TYPE hstore USING gin
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AS
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OPERATOR 7 @>,
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OPERATOR 9 ?(hstore,text),
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OPERATOR 10 ?|(hstore,text[]),
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OPERATOR 11 ?&(hstore,text[]),
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FUNCTION 1 bttextcmp(text,text),
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FUNCTION 2 gin_extract_hstore(internal, internal),
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FUNCTION 3 gin_extract_hstore_query(internal, internal, int2, internal, internal),
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FUNCTION 4 gin_consistent_hstore(internal, int2, internal, int4, internal, internal),
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STORAGE text;
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