<?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.jevon.mapper.ClassModelMapper" >
  <resultMap id="BaseResultMap" type="com.jevon.model.ClassModel" >
    <id column="class_id" property="classId" jdbcType="INTEGER" />
    <result column="school_id" property="schoolId" jdbcType="INTEGER" />
    <result column="grade" property="grade" jdbcType="VARCHAR" />
    <result column="class_name" property="className" jdbcType="VARCHAR" />
  </resultMap>
  <sql id="Base_Column_List" >
    class_id, school_id, grade, class_name
  </sql>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select 
    <include refid="Base_Column_List" />
    from sz_sch_class
    where class_id = #{classId,jdbcType=INTEGER}
  </select>

  <insert id="insertBatch" parameterType="com.jevon.model.ClassModel" >
    insert into sz_sch_class (class_id, school_id, grade, 
      class_name)
    values
    <foreach collection="list" item="emp" separator=",">
     (#{emp.classId,jdbcType=INTEGER}, #{emp.schoolId,jdbcType=INTEGER}, #{emp.grade,jdbcType=VARCHAR},
      #{emp.className,jdbcType=VARCHAR})
    </foreach>
  </insert>
  <update id="updateByPrimaryKey" parameterType="com.jevon.model.ClassModel" >
    update sz_sch_class
    set school_id = #{schoolId,jdbcType=INTEGER},
      grade = #{grade,jdbcType=VARCHAR},
      class_name = #{className,jdbcType=VARCHAR},
    where class_id = #{classId,jdbcType=INTEGER}
  </update>

  <select id="selectBySchoolId" parameterType="java.lang.Integer" resultMap="BaseResultMap">
    select * from sz_sch_class where school_id = #{schoolId}
  </select>

  <select id="selectBySchoolIdAndGrade" parameterType="com.jevon.model.ClassModel" resultMap="BaseResultMap">
    select * from sz_sch_class where school_id = #{schoolId} and grade = #{grade}
  </select>

  <delete id="deleteSchool" parameterType="java.lang.Integer">
     delete from sz_sch_class where school_id = #{schoolId}
  </delete>
  <select id="selectBySchoolIdAndClassNameAndGrade" parameterType="com.jevon.model.ClassModel" resultMap="BaseResultMap">
     select * from sz_sch_class where school_id = #{schoolId} and class_name = #{className}
     and grade = #{grade}
  </select>
</mapper>