--- 所有子类Event都以event开头

--- 绑定刀具到机床
CREATE CLASS IF NOT EXISTS event_bind_machining_tool: Event2 (
	machine_tool_id							varchar,
	slot_id									int,
	machining_tool_id						varchar
)with alias='EventBindMachiningTool', nickname='EventBindMachiningTool', key=sequence, version=true;

--- 解绑刀具
CREATE CLASS IF NOT EXISTS event_unbind_machining_tool: Event2 (
	machine_tool_id							varchar,
	machining_tool_id						varchar
)with alias='EventUnBindMachiningTool', nickname='EventUnBindMachiningTool', key=sequence, version=true;