28 lines
1.1 KiB
XML
28 lines
1.1 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.ruoyi.excel.wecom.mapper.CustomerExportDataHistoryMapper">
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<!-- 根据客户ID查询最大版本号 -->
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<select id="selectMaxVersionByCustomerId" resultType="java.lang.Integer">
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SELECT MAX(version)
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FROM customer_export_data_history
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WHERE customer_id = #{customerId}
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</select>
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<!-- 根据客户ID和版本号查询历史记录 -->
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<select id="selectByCustomerIdAndVersion" resultType="com.ruoyi.excel.wecom.domain.CustomerExportDataHistory">
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SELECT *
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FROM customer_export_data_history
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WHERE customer_id = #{customerId} AND version = #{version}
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</select>
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<!-- 根据客户ID查询所有历史记录（按版本号倒序） -->
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<select id="selectHistoryByCustomerId" resultType="com.ruoyi.excel.wecom.domain.CustomerExportDataHistory">
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SELECT *
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FROM customer_export_data_history
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WHERE customer_id = #{customerId}
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ORDER BY version DESC
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</select>
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</mapper>
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