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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="weaver.conn.mybatis.mapper.WorkflowBaseMapper">
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<!-- databaseId与resultType使用说明 -->
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<!--可以通过在标签属性中使用databaseId标识数据库，也可以在语句中通过_databaseId区分 -->
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<!-- resultType需要写明javabean的全路径。如果想简写，需要在MyBatis.xml中配置typeAliases -->
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<!-- 与resultType中属性值的映射是忽略大小写与下划线的。 -->
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<select id="selectHrmAlbumSubcompanyVO" resultType="weaver.conn.mybatis.bean.HrmAlbumSubcompanyVO" databaseId="mysql">
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select
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<if test="_databaseId=='mysql'">
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1,
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</if>
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a.*,b.*,(convert(b.albumsize/(1000+0.0) , decimal(18,2))) as totalsize,
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(convert((b.albumSizeUsed/(1000+0.0)),decimal(18,2))) as usesize,
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(convert((b.albumSize-b.albumSizeUsed)/(1000+0.0),decimal(18,2))) as remainsize,
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(case b.albumSize when 0 then 0 else (convert((b.albumSizeUsed/(b.albumSize+0.0)*100),decimal(18,2))) end ) AS rate
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from HrmSubcompany a LEFT JOIN AlbumSubcompany b ON a.id=b.subcompanyId
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order by a.supsubcomid,a.id
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</select>
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<select id="selectHrmAlbumSubcompanyVO" resultType="weaver.conn.mybatis.bean.HrmAlbumSubcompanyVO" databaseId="oracle">
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select a.*,b.*,
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round(b.albumsize/(1000+0.0),2) as totalsize,
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round(b.albumSizeUsed/(1000+0.0),2) as usesize,
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round((b.albumSize-b.albumSizeUsed)/(1000+0.0),2) as remainsize,
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(case b.albumSize when 0 then 0 else round((b.albumSizeUsed/(b.albumSize+0.0)*100),2) end ) AS rate
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from HrmSubcompany a LEFT JOIN AlbumSubcompany b ON a.id=b.subcompanyId
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order by a.supsubcomid,a.id
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</select>
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<select id="selectHrmAlbumSubcompanyVO" resultType="weaver.conn.mybatis.bean.HrmAlbumSubcompanyVO" databaseId="sqlserver">
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select a.*,b.*,(convert(decimal(18,2),b.albumsize/(1000+0.0))) as totalsize,
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(convert(decimal(18,2),(b.albumSizeUsed/(1000+0.0)))) as usesize,
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(convert(decimal(18,2),(b.albumSize-b.albumSizeUsed)/(1000+0.0))) as remainsize,
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(case b.albumSize when 0 then 0 else (convert(decimal(18,2),(b.albumSizeUsed/(b.albumSize+0.0)*100))) end ) AS rate
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from HrmSubcompany a LEFT JOIN AlbumSubcompany b ON a.id=b.subcompanyId
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order by a.supsubcomid,a.id
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</select>
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<!-- resultMap使用说明 -->
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<!-- resultMap与resultType不能同时使用 -->
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<!-- resultMap的优势在于，一次配置，随处调用 -->
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<!-- 如果要在其它Mapper中调用，调用处需要写resultMap的全路径 -->
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<!-- resultMap中也可以配置collection或更为复杂的bean的映射,有需要请查看MyBatis官方文档，这里不再展开 -->
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<resultMap id="blogResult" type="weaver.conn.mybatis.bean.Blog">
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<id property="id" column="id" />
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<result property="title" column="blog_title"/>
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<!-- 关联属性中实体类的写法 -->
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<association property="author" javaType="weaver.conn.mybatis.bean.Author">
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<id property="id" column="author_id"/>
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<result property="username" column="author_username"/>
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<result property="password" column="author_password"/>
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<result property="email" column="author_email"/>
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<result property="bio" column="author_bio"/>
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</association>
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</resultMap>
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<!-- #{}与${} -->
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<!-- mybatis会将#{}转为预处理语句，下面的where条件转换后形如 where id = ? -->
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<!-- 而${}则会直接拼进sql语句中，所以有sql注入风险，一般用于 order by ${columnName} ${columnAsc}以及 select * from ${tableName} 这样的地方-->
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<select id="selectBlog" resultMap="blogResult">
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select * from blog where id = #{id} order by ${orderColumn}
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</select>
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<!-- 传入单个参数时，不想使用Map或javabean，可以使用下面的写法 -->
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<select id="selectBlog2" resultMap="blogResult">
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select * from blog order by ${_parameter}
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</select>
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<!-- 传入数组时，可以使用下面的写法,按数组顺序确定参数位置 -->
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<select id="selectBlog3" resultMap="blogResult">
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select * from blog where id = #{_parameter[0]} order by ${_parameter[1]}
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</select>
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<!-- insert -->
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<!-- 多传参时，请传入map或javabean。Mybatis会根据Map的key或javaBean的prop来确定参数的key -->
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<insert id="insert">
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insert into workflow_base(id, workflow_name) values (#{id}, #{workflowName});
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</insert>
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<!-- 自增主键的insert -->
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<!-- 如此标识之后，插入完毕后会将自增主键中的值配置到传入参数的id属性中-->
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<insert id="insertAuthor" useGeneratedKeys="true" keyProperty="id">
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insert into Author (username,password,email,bio)
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values (#{username},#{password},#{email},#{bio})
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</insert>
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<!-- 调用sequence的insert -->
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<!-- 调用完毕后，也会获得自增的主键 -->
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<insert id="insertAuthor" databaseId="oracle">
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<selectKey keyProperty="id" resultType="int" order="BEFORE">
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select AuthorSeq.nextval from dual
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</selectKey>
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insert into Author
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(id, username, password, email,bio, favourite_section)
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values
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(#{id}, #{username}, #{password}, #{email}, #{bio}, #{favouriteSection,jdbcType=VARCHAR})
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</insert>
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<!-- foreach批量插入 -->
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<insert id="insertAuthor" databaseId="mysql" useGeneratedKeys="true" keyProperty="id">
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insert into Author (username, password, email, bio) values
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<foreach item="item" collection="list" separator=",">
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(#{item.username}, #{item.password}, #{item.email}, #{item.bio})
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</foreach>
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</insert>
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<!-- update与delete -->
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<update id="updateAuthor">
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update author set name = #{name} where id = #{id}
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</update>
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<delete id="deleteAuthor">
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delete from author where id = #{id}
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</delete>
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<!-- sql块-->
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<!-- sql块中也可以接受传参，不过这里不再展开了 -->
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<sql id="subQuery">
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select blog.id,blog.name,author.name authorName, author.sex from blog, author
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where blog.author = author.id
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</sql>
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<select id="selectBlogNumByAuthor">
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select authorName, count(1) num
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from (
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<include refid="subQuery"></include>
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) a group by authorName
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</select>
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<select id="selectBlogNumBySex">
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select sex, count(1) num
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from (
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<include refid="subQuery"></include>
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) a group by sex
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</select>
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</mapper>
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