<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.ruoyi.production.mapper.ProductStructureMapper">
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<select id="listByProductId" resultType="com.ruoyi.production.pojo.ProductStructure">
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select ps.*,
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p.product_name as product_name,
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pp.name as process_name
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from
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product_structure ps
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left join product p on ps.process_id = p.id
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left join product_process pp on ps.process_id = pp.process_id
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where p.id = #{productId}
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</select>
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</mapper>
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