39 lines
1.1 KiB
MySQL
39 lines
1.1 KiB
MySQL
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--
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-- This extension has its own table for configurations.
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--
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-- The table and the function are considered to be private and therefore
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-- no permissions are granted for any other user but the creator.
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CREATE TABLE IF NOT EXISTS _config ( KEY TEXT PRIMARY KEY, VALUE JSON NOT NULL );
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-- Needed to dump config in backups
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-- This can only be called from an SQL script executed by CREATE EXTENSION
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SELECT pg_catalog.pg_extension_config_dump('_config', '');
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CREATE OR REPLACE FUNCTION _config_set(key text, value JSON)
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RETURNS VOID AS $$
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BEGIN
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PERFORM _config_remove(key);
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EXECUTE 'INSERT INTO _config (KEY, VALUE) VALUES ($1, $2);' USING key, value;
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END
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$$ LANGUAGE PLPGSQL VOLATILE;
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CREATE OR REPLACE FUNCTION _config_remove(key text)
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RETURNS VOID AS $$
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BEGIN
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EXECUTE 'DELETE FROM _config WHERE KEY = $1;' USING key;
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END
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$$ LANGUAGE PLPGSQL VOLATILE;
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CREATE OR REPLACE FUNCTION _config_get(key text)
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RETURNS JSON AS $$
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DECLARE
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value JSON;
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BEGIN
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EXECUTE 'SELECT VALUE FROM _config WHERE KEY = $1;' INTO value USING key;
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RETURN value;
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END
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$$ LANGUAGE PLPGSQL STABLE;
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