com.base4j.mvc.sys.mapper.xml.SysDictMapper.xml Maven / Gradle / Ivy
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.base4j.mvc.sys.mapper.SysDictMapper">
<resultMap id="ChildNumResultMap" extends="BaseResultMap" type="com.base4j.mvc.sys.entity.SysDict">
<result column="CHILD_NUM" property="childNum"/>
</resultMap>
<select id="selectChildNumListByParentId" resultMap="ChildNumResultMap" parameterType="long">
SELECT
T.*,
(SELECT COUNT(0) FROM SEED_SYS_DICT SSD WHERE SSD.PARENT_ID = T.ID) AS CHILD_NUM
FROM SEED_SYS_DICT T
<where>
<if test="parentId != null">
and T.PARENT_ID = #{parentId}
</if>
<if test="code != null">
and T.CODE = #{code}
</if>
</where>
</select>
</mapper>