b2c / dtms · Files

<?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.b2c.dtms.dao.MaxidDao">

	<!-- order_maxid 所有查询列 -->
	<sql id="QUERY_COLUMN_LIST">
		<!-- [CDATA[id,id_type AS idType,id_value AS idValue,memo,version_num AS versionNum]]-->
		<![CDATA[id,id_value AS idValue,version_num AS versionNum]]>
	</sql>

	<!-- order_maxid 查询列来源表-->
	<sql id="QUERY_FROM_TABLE"><![CDATA[FROM order_maxid]]></sql>
	
	<!-- 全部条件(更多功能可以通过queryData扩展实现)  -->
	<sql id="QUERY_WHERE_CLAUSE">
		<where>
			<if test="id != null and id != ''"><![CDATA[AND id = #{id}]]></if>
			<if test="idType != null and idType != ''"><![CDATA[AND id_type = #{idType}]]></if>
			<if test="idValue != null and idValue != ''"><![CDATA[AND id_value = #{idValue}]]></if>
			<if test="memo != null and memo != ''"><![CDATA[AND memo = #{memo}]]></if>
			<if test="versionNum != null and versionNum != ''"><![CDATA[AND version_num = #{versionNum}]]></if>
		</where>
	</sql>
	
	<!-- 智能排序与分页 -->
	<sql id="QUERY_ORDER_LIMIT_CONDTION">
		<choose>
		   <when test="orderField != null and orderField != ''">
		        <choose>
		            <when test="orderFieldType != null and orderFieldType != ''">
		                <![CDATA[ORDER BY ${orderField} ${orderFieldType}]]>
		            </when>
		            <otherwise>
		                <![CDATA[ORDER BY ${orderField} desc]]>
		            </otherwise>
		        </choose>
		   </when>
		   <otherwise>
		        <![CDATA[ORDER BY id desc]]>
		   </otherwise>
		</choose>
		<if test="startIndex != null and startIndex &gt;= 0 and pageSize != null and pageSize &gt; 0"><![CDATA[LIMIT #{startIndex},#{pageSize}]]></if>
	</sql>

	<!-- 更新列字段,只要不为NULL则更新,除开主键列 -->
	<sql id="UPDATE_COLUMN_SET">
		<set>
			<if test="idType != null"><![CDATA[id_type = #{idType},]]></if>
			<if test="idValue != null"><![CDATA[id_value = #{idValue},]]></if>
			<if test="memo != null"><![CDATA[memo = #{memo},]]></if>
			<![CDATA[version_num = version_num + 1,]]>
		</set>
	</sql>

	<!-- 插入order_maxid记录 -->
	<insert id="insertEntry" parameterType="Maxid" >
		<![CDATA[
			INSERT INTO order_maxid (id,id_type,id_value,memo,version_num)
			VALUES (#{id},#{idType},#{idValue},#{memo},#{versionNum})
		]]>
	</insert>
	
	<!-- 返回插入的编号,在事务开启状态下有效 -->
	<select id="lastSequence" resultType="int"><![CDATA[SELECT LAST_INSERT_ID() AS id]]></select>

	<!-- 删除记录,主键IN(array) -->
	<delete id="deleteByArrayKey" parameterType="java.lang.reflect.Array" >
		<![CDATA[DELETE FROM order_maxid WHERE id IN]]>
		<foreach collection="array" item="id" open="(" separator="," close=")">
			<![CDATA[#{id}]]>
		</foreach>
	</delete>

	<!-- 删除,通过条件 -->
	<update id="deleteByCondtion" parameterType="Maxid" >
		<![CDATA[DELETE FROM order_maxid]]>
		<include refid="QUERY_WHERE_CLAUSE"/>
	</update>

	<!-- 修改记录通过主键 -->
	<update id="updateByKey" parameterType="Maxid" >
		<![CDATA[UPDATE order_maxid]]>
		<include refid="UPDATE_COLUMN_SET"/>
		<![CDATA[WHERE id = #{id} AND  version_num = #{versionNum}]]>
	</update>

	<!-- 查询,通过主键IN(array) -->
	<select id="selectEntryArray" parameterType="java.lang.reflect.Array" resultType="Maxid">
		<![CDATA[SELECT]]>
		<include refid="QUERY_COLUMN_LIST"/>
		<include refid="QUERY_FROM_TABLE"/>
		<![CDATA[WHERE id IN]]>
		<foreach collection="array" item="id" open="(" separator="," close=")">
			<![CDATA[#{id}]]>
		</foreach>
	</select>

	<!-- 查询,通过条件 -->
	<select id="selectEntryList" parameterType="Maxid" resultType="Maxid">
		<![CDATA[SELECT]]>
		<include refid="QUERY_COLUMN_LIST"/>
		<include refid="QUERY_FROM_TABLE"/>
		<include refid="QUERY_WHERE_CLAUSE"/>
		<include refid="QUERY_ORDER_LIMIT_CONDTION"/>
	</select>

	<!-- 总数查询,通过条件 -->
	<select id="selectEntryListCount" parameterType="Maxid" resultType="int">
		<![CDATA[SELECT COUNT(id) AS dataCount]]>
		<include refid="QUERY_FROM_TABLE"/>
		<include refid="QUERY_WHERE_CLAUSE"/>
	</select>
	
	<!-- 其它SQL语句 -->
	
	
</mapper>