<?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.hacker.o2o.dao.HeadLineDao">
 <select id="queryHeadLine" resultType="com.hacker.o2o.entity.HeadLine">
 SELECT
 line_id,
 line_name,
 line_link,
 line_img,
 priority,
 enable_status,
 create_time,
 last_edit_time
 FROM
 tb_head_line
 <where>
 <if test="headLineCondition.enableStatus!=null">
 and enable_status = #{headLineCondition.enableStatus}
 </if>
 </where>
 ORDER BY
 priority DESC
 </select>
 <select id="queryHeadLineById" resultType="com.hacker.o2o.entity.HeadLine">
 SELECT
		line_id,
		line_name,
		line_link,
		line_img,
		priority,
		enable_status,
		create_time,
		last_edit_time
		FROM
		tb_head_line
		WHERE
		line_id = #{lineId}
 </select>
 <select id="queryHeadLineByIds" resultType="com.hacker.o2o.entity.HeadLine"
 parameterType="long">
 SELECT
 line_id,
 line_name,
 line_link,
 line_img,
 priority,
 enable_status,
 create_time,
 last_edit_time
 FROM
 tb_head_line
 WHERE line_id IN
 <foreach collection="list" item="lineId" open="(" separator=","
 close=")">
 #{lineId}
 </foreach>
 </select>
 <insert id="insertHeadLine" useGeneratedKeys="true" keyProperty="lineId" keyColumn="line_id">
 INSERT INTO
		tb_head_line(line_name,line_link,line_img,priority,
		enable_status,
		create_time,last_edit_time)
		VALUES
		(#{lineName},#{lineLink},#{lineImg},#{priority},
		#{enableStatus},#{createTime},#{lastEditTime})
 </insert>
 <update id="updateHeadLine" parameterType="com.hacker.o2o.entity.HeadLine">
 update tb_head_line
 <set>
 <if test="lineName != null">line_name=#{lineName},</if>
 <if test="lineLink != null">line_link=#{lineLink},</if>
 <if test="lineImg != null">line_img=#{lineImg},</if>
 <if test="priority != null">priority=#{priority},</if>
 <if test="enableStatus != null">enable_status=#{enableStatus},</if>
 <if test="lastEditTime != null">last_edit_time=#{lastEditTime}</if>
 </set>
 where line_id=#{lineId}
 </update>
 <delete id="deleteHeadLine">
 DELETE FROM
		tb_head_line
		WHERE
		line_id =
		#{lineId}
 </delete>
 <delete id="batchDeleteHeadLine" parameterType="long">
 DELETE FROM
 tb_head_line
 WHERE line_id IN
 <foreach collection="list" item="lineId" open="(" separator=","
 close=")">
 #{lineId}
 </foreach>
 </delete>
</mapper>