IBATIS中的include功能

1. <sql id="selectItem_fragment">  
2.     FROM items  
3.     WHERE parentid = 6  
4. </sql>  
5. <select id="selectItemCount" resultClass="int">  
6.     SELECT COUNT(*) AS total  
7.     <include refid="selectItem_fragment"/>  
8. </select>  
9. <select id="selectItems" resultClass="Item">  
10.     SELECT id, name  
11.     <include refid="selectItem_fragment"/>  
12. </select>