oracle mysql 的mybatis 逆向工程中的分页查询的写法

mysql 分页在mybatis 中的实现
<select id="selectByExampleWithPage" resultMap="BaseResultMap" parameterType="map" >
select
<if test="example.distinct" >
distinct
</if>

4000
<include refid="Base_Column_List" />
from tb_item
<if test="example.join != null" >
${example.join}
</if>
<if test="_parameter != null" >
<include refid="Example_Where_Clause_Page" />
</if>
<if test="example.orderByClause != null" >
order by ${example.orderByClause}
</if>
limit ${startPage},${endPage}
</select>

<select id="selectByExampleWithPage" resultMap="BaseResultMap" parameterType="map" >
select * from (select g.*,rownum rn from (select
<if test="example.distinct" >
distinct
</if>
<include refid="Base_Column_List" />
from tb_content
<if test="example.join != null" >
${example.join}
</if>
<if test="_parameter != null" >
<include refid="Example_Where_Clause_Page" />
</if>
<if test="example.orderByClause != null" >
order by ${example.orderByClause}
</if>
) g where rownum < ${endPage} ) where rn >＝ ${startPage}
</select>