<?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.DemoGroupClassGroupMapperDao">
	
	<resultMap type="com.ym.mec.biz.dal.entity.DemoGroupClassGroupMapper" id="DemoGroupClassGroupMapper">
		<result column="id_" property="id" />
		<result column="demo_group_id_" property="demoGroupId" />
		<result column="class_group_id_" property="classGroupId" />
		<result column="create_time_" property="createTime" />
	</resultMap>
	
	<!-- 根据主键查询一条记录 -->
	<select id="get" resultMap="DemoGroupClassGroupMapper" >
		SELECT * FROM demo_group_class_group_mapper WHERE id_ = #{id} 
	</select>
	
	<!-- 全查询 -->
	<select id="findAll" resultMap="DemoGroupClassGroupMapper">
		SELECT * FROM demo_group_class_group_mapper ORDER BY id_
	</select>
	
	<!-- 向数据库增加一条记录 -->
	<insert id="insert" parameterType="com.ym.mec.biz.dal.entity.DemoGroupClassGroupMapper" useGeneratedKeys="true" keyColumn="id" keyProperty="id">
		<!--
		<selectKey resultClass="int" keyProperty="id" > 
		SELECT SEQ_WSDEFINITION_ID.nextval AS ID FROM DUAL 
		</selectKey>
		-->
		INSERT INTO demo_group_class_group_mapper (id_,demo_group_id_,class_group_id_,create_time_) VALUES(#{id},#{demoGroupId},#{classGroupId},#{createTime})
	</insert>
	
	<!-- 根据主键查询一条记录 -->
	<update id="update" parameterType="com.ym.mec.biz.dal.entity.DemoGroupClassGroupMapper">
		UPDATE demo_group_class_group_mapper <set>
<if test="id != null">
id_ = #{id},
</if>
<if test="classGroupId != null">
class_group_id_ = #{classGroupId},
</if>
<if test="demoGroupId != null">
demo_group_id_ = #{demoGroupId},
</if>
<if test="createTime != null">
create_time_ = #{createTime},
</if>
</set> WHERE id_ = #{id} 
	</update>
	
	<!-- 根据主键删除一条记录 -->
	<delete id="delete" >
		DELETE FROM demo_group_class_group_mapper WHERE id_ = #{id} 
	</delete>
	
	<!-- 分页查询 -->
	<select id="queryPage" resultMap="DemoGroupClassGroupMapper" parameterType="map">
		SELECT * FROM demo_group_class_group_mapper 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 demo_group_class_group_mapper
	</select>
</mapper>
