24 lines
589 B
Java
24 lines
589 B
Java
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package com.gunshi.project.ss.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.gunshi.project.ss.model.JcskGnssREightAm;
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import org.apache.ibatis.annotations.Mapper;
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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 JcskGnssREightAmMapper extends BaseMapper<JcskGnssREightAm> {
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@Select("""
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select t1.*
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from jcsk_gnss_r_8am t1 join (
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select cd, max(tm) as tm
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from jcsk_gnss_r_8am
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GROUP BY cd
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) t2 on t1.cd = t2.cd and t1.tm = t2.tm;
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""")
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List<JcskGnssREightAm> queryNewDataTime();
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}
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