com.base4j.mvc.sys.mapper.xml.SysDictMapper.xml Maven / Gradle / Ivy

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<?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>