package cn.iocoder.yudao.module.mdm.dal.mysql.item;
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import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
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import cn.iocoder.yudao.module.mdm.dal.dataobject.item.MdmItemTechnicalFileDO;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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@Mapper
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public interface MdmItemTechnicalFileMapper extends BaseMapperX<MdmItemTechnicalFileDO> {
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default List<MdmItemTechnicalFileDO> selectListByItemId(Long itemId) {
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return selectList(new LambdaQueryWrapper<MdmItemTechnicalFileDO>()
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.eq(MdmItemTechnicalFileDO::getItemId, itemId)
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.orderByDesc(MdmItemTechnicalFileDO::getVersionNo));
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}
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// 包含已移除记录，避免后续上传复用已有工单显示过的序号。
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@Select("SELECT COALESCE(MAX(version_no), 0) FROM mdm_item_technical_file WHERE item_id = #{itemId}")
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Integer selectMaxVersionNo(@Param("itemId") Long itemId);
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}
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