100 lines
2.9 KiB
XML
100 lines
2.9 KiB
XML
<?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="com.landaiqing.infra.basic.dao.ClazzDao">
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<resultMap type="com.landaiqing.infra.basic.entity.Clazz" id="ClazzMap">
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<result property="id" column="id" jdbcType="INTEGER"/>
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<result property="className" column="class_name" jdbcType="VARCHAR"/>
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<result property="num" column="num" jdbcType="INTEGER"/>
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</resultMap>
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<!--查询单个-->
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<select id="queryById" resultMap="ClazzMap">
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select
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id,class_name,num
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from clazz
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where id = #{id}
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</select>
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<!--查询指定行数据-->
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<select id="queryAllByLimit" resultMap="ClazzMap">
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select
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id,class_name,num
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from clazz
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<where>
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<if test="id != null">
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and id = #{id}
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</if>
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<if test="className != null and className != ''">
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and class_name = #{className}
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</if>
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<if test="num != null">
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and num = #{num}
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</if>
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</where>
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limit #{pageable.offset}, #{pageable.pageSize}
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</select>
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<!--统计总行数-->
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<select id="count" resultType="java.lang.Long">
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select count(1)
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from clazz
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<where>
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<if test="id != null">
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and id = #{id}
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</if>
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<if test="className != null and className != ''">
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and class_name = #{className}
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</if>
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<if test="num != null">
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and num = #{num}
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</if>
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</where>
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</select>
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<!--新增所有列-->
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<insert id="insert" keyProperty="id" useGeneratedKeys="true">
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insert into clazz(class_name, num)
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values (#{className}, #{num})
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</insert>
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<insert id="insertBatch" keyProperty="id" useGeneratedKeys="true">
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insert into clazz(class_name,num)
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values
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<foreach collection="entities" item="entity" separator=",">
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(#{entity.className},#{entity.num})
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</foreach>
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</insert>
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<insert id="insertOrUpdateBatch" keyProperty="id" useGeneratedKeys="true">
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insert into clazz(class_name,num)
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values
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<foreach collection="entities" item="entity" separator=",">
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(#{entity.className},#{entity.num})
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</foreach>
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on duplicate key update
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class_name = values(class_name)num = values(num)
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</insert>
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<!--通过主键修改数据-->
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<update id="update">
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update clazz
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<set>
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<if test="className != null and className != ''">
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class_name = #{className},
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</if>
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<if test="num != null">
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num = #{num},
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</if>
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</set>
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where id = #{id}
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</update>
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<!--通过主键删除-->
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<delete id="deleteById">
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delete from clazz where id = #{id}
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</delete>
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</mapper>
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