mybatis创建oracle触发器时冒号引起的问题

<update id="myTrigger">
    create trigger "my_trigger" after update on "test" 
    for each row
    begin 
        insert into "my_temp" ("id", "record_id", "table_name", "type") 
        values (lower(rawtohex(sys_guid())), :old."id", ‘test‘, ‘update‘);
    end;
</update>

<update id="myTrigger" statementType="STATEMENT">
    create trigger "my_trigger" after update on "test" 
    for each row
    begin 
        insert into "my_temp" ("id", "record_id", "table_name", "type") 
        values (lower(rawtohex(sys_guid())), :old."id", ‘test‘, ‘update‘);
    end;
</update>