<?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="net.mingsoft.base.dao.IBaseDao">

    <!-- mysql根据sql动态查询开始 -->
    <select id="queryBySQL" resultType="Map" databaseId="mysql">
        select *
        from ${table}
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = #{item}
            </foreach>
        </where>
        <if test="order !=null">
            order by ${order} desc
        </if>
        <if test="begin != null">
            limit ${begin}
            <if test="end !=null ">
                ,${end}
            </if>
        </if>
    </select>
    <!-- mysql根据sql动态查询结束 -->
    <!-- oracle根据sql动态查询开始 -->
    <select id="queryBySQL" resultType="Map" statementType="STATEMENT" databaseId="oracle">
        select *
        from
        <if test="end !=null and end &gt; 0">
            ( SELECT b.*, ROWNUM RN FROM ( SELECT * FROM ${table}
            <if test="order !=null">
                order by ${order} desc
            </if>
            ) b WHERE ROWNUM &lt;= ${end} )
        </if>
        <if test="end == null and end &gt; 0">
            ${table}
        </if>
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = ${item}
            </foreach>
        </where>
        <if test="begin != null and begin &gt; 0">
            and RN &gt; ${begin}
        </if>
    </select>
    <!-- oracle根据sql动态查询结束 -->
    <!-- SqlServer根据sql动态查询开始 -->
    <select id="queryBySQL" resultType="Map" statementType="STATEMENT" databaseId="SqlServer">
        select *
        from
        <if test=" end !=null ">
            (select *, ROW_NUMBER() OVER(Order by
            <if test=" orderField == null">
                basic_id desc ${table}_id
            </if>
            <if test=" order != null">
                order by ${order} desc
            </if>
            ) AS RowId from ${table} ) as b
        </if>
        <if test=" end == null ">
            ${table}
        </if>
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = ${item}
            </foreach>
        </where>
        <if test=" begin !=null ">
            and RowId between #{begin}
        </if>
        <if test=" end !=null ">
            and #{end}
        </if>
    </select>
    <!-- SqlServer根据sql动态查询结束 -->

    <!-- 根据sql动态查询开始 -->
    <select id="countBySQL" resultType="int" statementType="STATEMENT">
        select count(*)
        from ${table}
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = ${item}
            </foreach>
        </where>
    </select>
    <!-- 根据sql动态查询结束 -->

    <!-- mysql或SqlServer根据sql动态更新开始 -->
    <update id="updateBySQL">
        update ${table} set
        <foreach item="field" index="name" collection="fields" open=""
                 separator="," close="">
            `${name}`=#{field}
        </foreach>
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = ${item}
            </foreach>
        </where>
    </update>
    <!-- mysql或SqlServer根据sql动态更新结束 -->
    <!-- oracle根据sql动态更新开始 -->
    <update id="updateBySQL" databaseId="oracle">
        update ${table} set
        <foreach item="field" index="name" collection="fields" open="begin" close=";end;" separator=";">
            `${name}`=#{field}
        </foreach>
        <where>
            <foreach item="item" index="key" collection="wheres" open=""
                     separator="AND" close=""> ${key} = ${item}
            </foreach>
        </where>
    </update>
    <!-- oracle根据sql动态更新结束 -->

    <!-- 根据sql动态删除开始 -->
    <update id="deleteBySQL">
        delete from ${table} where
        <foreach item="item" index="key" collection="wheres" open=""
                 separator="AND" close=""> ${key} = #{item}
        </foreach>
    </update>
    <!-- 根据sql动态删除结束 -->

    <!-- 根据sql动态新增开始 -->
    <insert id="insertBySQL">
        insert into ${table}
        <foreach item="field" index="key" collection="fields" open="("
                 separator="," close=")">`${key}`
        </foreach>
        values
        <foreach item="field" index="key" collection="fields" open="("
                 separator="," close=")">#{field}
        </foreach>
    </insert>
    <!-- 根据sql动态新增结束 -->
    <!-- oracle根据sql动态新增开始-->
    <insert id="insertBySQL" databaseId="oracle">
        <selectKey resultType="Integer" keyProperty="Id" order="BEFORE">
            select seq_${table}_id.nextval as Id from dual
        </selectKey>
        insert into ${table}
        (Id,
        <foreach item="field" index="key" collection="fields" separator=",">
            "${key}"
        </foreach>
        )
        values(
        #{Id},
        <foreach item="field" index="key" collection="fields" separator=",">
            #{field}
        </foreach>
        )
    </insert>
    <!-- oracle根据sql动态新增结束-->
    <!-- 根据sql动态创建表开始 -->
    <sql id="createTables">
		 CONSTRAINT fk_${table}_id FOREIGN KEY (basicId) REFERENCES basic (basic_id) ON DELETE CASCADE
	</sql>
    <update id="createTable" statementType="STATEMENT" databaseId="mysql">
        CREATE TABLE ${table} (
        basicId int(11) NOT NULL,
        PRIMARY KEY (basicId),
        <include refid="createTables"></include>
        ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8
    </update>
    <update id="createTable" statementType="STATEMENT" databaseId="sqlServer">
        CREATE TABLE ${table} (
        basicId int NOT NULL,
        PRIMARY KEY (basicId),
        <include refid="createTables"></include>
        )
    </update>
    <update id="createTable" statementType="STATEMENT" databaseId="oracle">
        CREATE TABLE ${table} (
        basicId NUMBER(10,0) NOT NULL primary key,
        <include refid="createTables"></include>
        )
    </update>
    <!-- 根据sql动态创建表结束 -->
    <!-- 根据sql动态更新表开始 -->
    <sql id="alterTableSql" databaseId="mysql">
        ALTER TABLE `${table}` change `${fileds.fieldOldName}`
        `${fileds.fieldName}` ${fileds.fieldType}
        <if test="fileds.default !=null and fileds.default !=''">default '${fileds.default}'</if>
    </sql>
    <sql id="alterTableSql" databaseId="sqlServer">
        <if test="fileds.default !=null and fileds.default !=''">
            alter table ${table} add default '${fileds.default}' for ab with values default
        </if>
        <if test="fileds.fieldType !=null and fileds.fieldType !=''">
            alter table ${table} alter column '${fieldOldName}' ${fileds.fieldType}
        </if>
        <if test="fileds.fieldName ==null and fileds.fieldName ==''">
            exec sp_rename '${fileds.fieldOldName}','${fileds.fieldName}','column'
        </if>
    </sql>
    <sql id="alterTableOracleType" databaseId="oracle">
		EXECUTE immediate 'alter table ${table} modify ("${fileds.fieldOldName}"
	</sql>
    <sql id="alterTableSql" databaseId="oracle">
        BEGIN
        <if test="fileds.fieldType !=null and fileds.fieldType !=''">
            <if test="fileds.fieldType =='int(11)'">
                <include refid="alterTableOracleType"></include>
                NUMBER(10,0))';
            </if>
            <if test="fileds.fieldType =='text'">
                <include refid="alterTableOracleType"></include>
                CLOB)';
            </if>
            <if test="fileds.fieldType =='datetime'">
                <include refid="alterTableOracleType"></include>
                DATE)';
            </if>
            <if test="fileds.fieldType =='float(11)'">
                <include refid="alterTableOracleType"></include>
                ${fileds.fieldType})';
            </if>
            <if test="fileds.fieldType =='varchar(100)'">
                <include refid="alterTableOracleType"></include>
                NVARCHAR2(300))';
            </if>
        </if>
        <if test="fileds.default != null and fileds.default != ''">
            EXECUTE immediate 'alter table ${table} modify "${fileds.fieldOldName}" default "${fileds.default}"';
        </if>
        <if test="fileds.fieldName !='' and fileds.fieldOldName != fileds.fieldName">
            EXECUTE immediate 'alter table ${table} rename column "${fileds.fieldOldName}" to "${fileds.fieldName}"';
        </if>
        END;
    </sql>
    <sql id="alterTableAddType" databaseId="oracle">
        <if test="fileds.fieldType =='int(11)'">
            NUMBER(10,0)
        </if>
        <if test="fileds.fieldType =='text'">
            CLOB
        </if>
        <if test="fileds.fieldType =='datetime'">
            DATE
        </if>
        <if test="fileds.fieldType =='float(11)'">
            ${fileds.fieldType}
        </if>
        <if test="fileds.fieldType =='varchar(100)'">
            ${fileds.fieldType}
        </if>
    </sql>
    <sql id="alterTableAddType">${fileds.fieldType}</sql>
    <update id="alterTable" statementType="STATEMENT">
        <choose>
            <when test="type=='add'">
                ALTER TABLE `${table}` add `${fileds.fieldName}`
                <include refid="alterTableAddType"></include>
                <if test="fileds.default !=null and fileds.default != ''">default '${fileds.default}'</if>
            </when>
            <when test="type=='modify'">
                <include refid="alterTableSql"></include>
            </when>
            <when test="type=='drop'">
                ALTER TABLE `${table}` drop column `${fileds.fieldName}`
            </when>
        </choose>

    </update>
    <!-- 根据sql动态更新表结束 alterTable-->

    <!-- 根据sql动态删除表开始 -->
    <update id="dropTable" statementType="STATEMENT">
		DROP TABLE ${table}
	</update>
    <!-- 根据sql动态删除表结束 -->

    <!-- 导入sql语句 -->
    <select id="excuteSql" parameterType="String" statementType="STATEMENT" resultType="java.util.Map">
		${sql}
	</select>
    <!--导入sql语句 -->

    <sql id="sqlWhere">
        <foreach collection="sqlWhereList" item="item" index="index"
                 open="and( " separator=" " close=" )">
            <if test="index gt 0">
                <choose>
                 <!--防注入-->
                    <when test="item.action == 'and' or item.action == 'or'">
                        ${item.action}
                    </when>
                    <otherwise>
                        and
                    </otherwise>
                </choose>
            </if>
            <if test="item.el == 'eq'">
                <choose>
                    <when test="item.multiple != null and item.multiple = true">
                        FIND_IN_SET(#{item.value}, `${item.field}`)
                    </when>
                    <otherwise>
                        `${item.field}` = #{item.value}
                    </otherwise>
                </choose>
            </if>
            <if test="item.el == 'gt'">
                <choose>
                    <when test="item.type=='time'||item.type=='date'">
                        <if test="item.type=='time'">
                            date_format(`${item.field}`,'%T') &gt; date_format(#{item.value},'%T')
                        </if>
                        <if test="item.type=='date'">
                            date_format(`${item.field}`,'%Y-%m-%d %H:%i:%s') &gt; date_format(#{item.value},'%Y-%m-%d %H:%i:%s')
                        </if>
                    </when>
                    <otherwise>
                        `${item.field}` &gt; #{item.value}
                    </otherwise>
                </choose>
            </if>
            <if test="item.el == 'gte'">
                `${item.field}` &gt;= #{item.value}
            </if>
            <if test="item.el == 'lt'">
                <choose>
                    <when test="item.type=='time'||item.type=='date'">
                        <if test="item.type=='time'">
                            date_format(`${item.field}`,'%T') &lt; date_format(#{item.value},'%T')
                        </if>
                        <if test="item.type=='date'">
                            date_format(`${item.field}`,'%Y-%m-%d %H:%i:%s') &lt; date_format(#{item.value},'%Y-%m-%d %H:%i:%s')
                        </if>
                    </when>
                    <otherwise>
                        `${item.field}` &lt; #{item.value}
                    </otherwise>
                </choose>
            </if>
            <if test="item.el == 'lte'">
                `${item.field}` &lt;= #{item.value}
            </if>
            <if test="item.el == 'like'">
                `${item.field}` like CONCAT('%',#{item.value},'%')
            </if>
            <if test="item.el == 'likeLeft'">
                `${item.field}` like CONCAT(#{item.value},'%')
            </if>
            <if test="item.el == 'likeRight'">
                `${item.field}` like CONCAT('%',#{item.value})
            </if>
            <if test="item.el == 'in'">
                `${item.field}` in (${item.value})
            </if>
            <if test="item.el == 'range'">
               <if test="item.type=='time'">
                   date_format(`${item.field}`,'%T') BETWEEN date_format(#{item.value[0]},'%T') AND date_format(#{item.value[1]},'%T')
               </if>
               <if test="item.type=='date'">
                   date_format(`${item.field}`,'%Y-%m-%d %H:%i:%s') BETWEEN date_format(#{item.value[0]},'%Y-%m-%d %H:%i:%s') AND date_format(#{item.value[1]},'%Y-%m-%d %H:%i:%s')
               </if>
            </if>
        </foreach>
    </sql>


</mapper>