<?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">
<!--
这个文件是自动生成的。
不要修改此文件。所有改动将在下次重新自动生成时丢失。
-->
<mapper namespace="com.ym.mec.biz.dal.dao.SysMusicScoreCategoriesDao">
	
	<resultMap type="com.ym.mec.biz.dal.entity.SysMusicScoreCategories" id="SysMusicScoreCategories">
		<result column="id_" property="id" />
		<result column="parent_id_" property="parentId" />
		<result column="name_" property="name" />
		<result column="cover_img_" property="coverImg" />
		<result column="operator_id_" property="operatorId" />
		<result column="create_time_" property="createTime" />
		<result column="update_time_" property="updateTime" />
	</resultMap>
	
	<!-- 根据主键查询一条记录 -->
	<select id="get" resultMap="SysMusicScoreCategories" >
		SELECT * FROM sys_music_score_categories WHERE id_ = #{id} 
	</select>
	
	<!-- 全查询 -->
	<select id="findAll" resultMap="SysMusicScoreCategories">
		SELECT * FROM sys_music_score_categories ORDER BY id_
	</select>
	
	<!-- 向数据库增加一条记录 -->
	<insert id="insert" parameterType="com.ym.mec.biz.dal.entity.SysMusicScoreCategories" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
		INSERT INTO sys_music_score_categories (parent_id_,name_,cover_img_,operator_id_,create_time_,update_time_)
		VALUES(#{parentId},#{name},#{coverImg},#{operatorId},NOW(),NOW())
	</insert>
	
	<!-- 根据主键查询一条记录 -->
	<update id="update" parameterType="com.ym.mec.biz.dal.entity.SysMusicScoreCategories">
		UPDATE sys_music_score_categories <set>
			<if test="parentId != null">
			parent_id_ = #{parentId},
			</if>
			<if test="operatorId != null">
			operator_id_ = #{operatorId},
			</if>
			<if test="coverImg != null">
			cover_img_ = #{coverImg},
			</if>
			<if test="id != null">
			id_ = #{id},
			</if>
			<if test="updateTime != null">
			update_time_ = #{updateTime},
			</if>
			<if test="name != null">
			name_ = #{name},
			</if>
			</set> WHERE id_ = #{id}
	</update>
	
	<!-- 根据主键删除一条记录 -->
	<delete id="delete" >
		DELETE FROM sys_music_score_categories WHERE id_ = #{id} 
	</delete>
	
	<!-- 分页查询 -->
	<select id="queryPage" resultMap="SysMusicScoreCategories" parameterType="map">
		SELECT * FROM sys_music_score_categories ORDER BY id_
		<include refid="global.limit"/>
	</select>
	
	<!-- 查询当前表的总记录数 -->
	<select id="queryCount" resultType="int">
		SELECT COUNT(*) FROM sys_music_score_categories
	</select>
	<select id="findByParentId" resultMap="SysMusicScoreCategories">
		SELECT sm.* FROM sys_music_score_categories sm
		<include refid="queryTree"/>
		ORDER BY sm.id_
	</select>
	<sql id="queryTree">
		<where>
			<if test="parentId != null">
				AND sm.parent_id_ = #{parentId}
			</if>
		</where>
	</sql>
</mapper>
