54 lines
1.6 KiB
MySQL
54 lines
1.6 KiB
MySQL
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/* contrib/hstore/hstore--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 hstore UPDATE TO '1.2'" to load this file. \quit
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-- A version of 1.1 was shipped with these objects mistakenly in 9.3.0.
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-- Therefore we only add them if we detect that they aren't already there and
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-- dependent on the extension.
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DO LANGUAGE plpgsql
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$$
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DECLARE
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my_schema pg_catalog.text := pg_catalog.quote_ident(pg_catalog.current_schema());
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old_path pg_catalog.text := pg_catalog.current_setting('search_path');
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BEGIN
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-- for safety, transiently set search_path to just pg_catalog+pg_temp
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PERFORM pg_catalog.set_config('search_path', 'pg_catalog, pg_temp', true);
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PERFORM 1
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FROM pg_proc p
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JOIN pg_depend d
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ON p.proname = 'hstore_to_json_loose'
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AND d.classid = 'pg_proc'::regclass
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AND d.objid = p.oid
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AND d.refclassid = 'pg_extension'::regclass
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JOIN pg_extension x
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ON d.refobjid = x.oid
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AND x.extname = 'hstore';
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IF NOT FOUND
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THEN
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PERFORM pg_catalog.set_config('search_path', old_path, true);
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CREATE FUNCTION hstore_to_json(hstore)
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RETURNS json
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AS 'MODULE_PATHNAME', 'hstore_to_json'
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LANGUAGE C IMMUTABLE STRICT;
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CREATE CAST (hstore AS json)
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WITH FUNCTION hstore_to_json(hstore);
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CREATE FUNCTION hstore_to_json_loose(hstore)
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RETURNS json
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AS 'MODULE_PATHNAME', 'hstore_to_json_loose'
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LANGUAGE C IMMUTABLE STRICT;
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END IF;
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PERFORM pg_catalog.set_config('search_path', old_path, true);
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END;
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$$;
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