<?xml version="1.0" encoding="UTF-8"?>
<mapper namespace="UserDemo" 
		xmlns="http://www.nl.org/mapper"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xsi:schemaLocation="http://www.nl.org/mapper" >
		<select id="query">
			select * from user u
			<if property="name" notNull=""/>
		</select>
		<select id=""></select>
		<insert id="insert">
			insert into user(id) values(#id)
			<if property="name" notNull=""></if>
		</insert>
</mapper>