36 lines
1.8 KiB
Python
36 lines
1.8 KiB
Python
from django.db import models
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from apps.utils.models import BaseModel, CommonBModel
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class Mpoint(CommonBModel):
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"""测点
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"""
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name = models.CharField('测点名称', max_length=50)
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code = models.CharField('测点编号', max_length=50, unique=True)
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unit = models.CharField('单位', max_length=50)
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cate = models.CharField('分类', max_length=50, default='elec')
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ep_monitored = models.ForeignKey('em.equipment', verbose_name='监测哪个设备', related_name='mp_ep_monitored', on_delete=models.SET_NULL, null=True, blank=True)
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ep_belong = models.ForeignKey('em.equipment', verbose_name='属于哪个设备', related_name='mp_ep_belong', on_delete=models.SET_NULL, null=True, blank=True)
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mgroup = models.ForeignKey('mtm.mgroup', verbose_name='所在集合', on_delete=models.SET_NULL, null=True, blank=True)
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class MpLog(BaseModel):
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"""测点原始记录
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"""
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mpoint = models.ForeignKey(Mpoint, verbose_name='关联测点', on_delete=models.SET_NULL, null=True, blank=True)
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tag_id = models.BigIntegerField('记录ID', db_index=True)
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tag_code = models.CharField('测点编号', max_length=50)
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tag_update = models.DateTimeField('更新时间')
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tag_val = models.FloatField('当前值')
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class MpointStat(BaseModel):
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"""测点统计表
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"""
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type = models.CharField('统计维度', max_length=50, default='hour', help_text='year/month/day/hour')
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year = models.PositiveSmallIntegerField('年')
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month = models.PositiveSmallIntegerField('月', null=True, blank=True)
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day = models.PositiveSmallIntegerField('日', null=True, blank=True)
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hour = models.PositiveSmallIntegerField('时', null=True, blank=True)
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mpoint = models.ForeignKey(Mpoint, verbose_name='关联测点', on_delete=models.CASCADE)
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val = models.FloatField('统计值', default=0) |