108 lines
2.6 KiB
MySQL
108 lines
2.6 KiB
MySQL
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-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- System status functions
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--
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-- Copyright(C) 2004-2010, DeepClone Development
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-- --------------------------------------------------------
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--
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-- Enter maintenance mode
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--
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-- Parameters:
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-- a_id Administrator identifier
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-- reason_txt Maintenance reason
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-- duration Expected duration (minutes)
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--
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-- Returns:
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-- success TRUE on success, FALSE if the system was already in maintenance mode
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--
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CREATE OR REPLACE FUNCTION sys.enter_maintenance_mode( IN a_id INT , IN reason_txt TEXT , IN duration INT , OUT success BOOLEAN )
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STRICT VOLATILE
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SECURITY DEFINER
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AS $$
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BEGIN
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UPDATE sys.status
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SET maintenance_start = NOW( ) ,
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maintenance_end = NOW( ) + ( duration || 'm' )::INTERVAL ,
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maintenance_text = reason_txt
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WHERE maintenance_start IS NULL;
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success := FOUND;
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IF success
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THEN
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PERFORM admin.write_log( a_id , 'WARNING'::log_level , 'enabled maintenance mode for ' ||
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duration || ' minutes; reason: ' || reason_txt );
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END IF;
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END;
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$$ LANGUAGE plpgsql;
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GRANT EXECUTE ON FUNCTION sys.enter_maintenance_mode( INT , TEXT , INT ) TO :dbuser;
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--
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-- Extend maintenance mode duration
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--
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-- Parameters:
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-- a_id Administrator identifier
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-- ext_duration Expected extended duration (minutes)
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--
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-- Returns:
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-- success TRUE on success, FALSE if the system was not in maintenance mode
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--
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CREATE OR REPLACE FUNCTION sys.extend_maintenance_mode( IN a_id INT , IN ext_duration INT , OUT success BOOLEAN )
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STRICT VOLATILE
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SECURITY DEFINER
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AS $$
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BEGIN
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UPDATE sys.status
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SET maintenance_end = NOW( ) + ( ext_duration || 'm' )::INTERVAL
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WHERE maintenance_start IS NOT NULL;
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success := FOUND;
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IF success
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THEN
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PERFORM admin.write_log( a_id , 'WARNING'::log_level , 'extended maintenance mode duration by ' ||
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ext_duration || ' minutes' );
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END IF;
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END;
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$$ LANGUAGE plpgsql;
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GRANT EXECUTE ON FUNCTION sys.extend_maintenance_mode( INT , INT ) TO :dbuser;
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--
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-- Exit maintenance mode
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--
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-- Parameters:
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-- a_id Administrator identifier
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--
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-- Returns:
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-- success TRUE on success, FALSE if the system was not in maintenance mode
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--
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CREATE OR REPLACE FUNCTION sys.exit_maintenance_mode( IN a_id INT , OUT success BOOLEAN )
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STRICT VOLATILE
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SECURITY DEFINER
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AS $$
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BEGIN
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UPDATE sys.status
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SET maintenance_start = NULL ,
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maintenance_end = NULL ,
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maintenance_text = NULL
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WHERE maintenance_start IS NOT NULL;
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success := FOUND;
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IF success
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THEN
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PERFORM admin.write_log( a_id , 'INFO'::log_level , 'terminated maintenance mode' );
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END IF;
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END;
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$$ LANGUAGE plpgsql;
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GRANT EXECUTE ON FUNCTION sys.exit_maintenance_mode( INT ) TO :dbuser;
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