kopia lustrzana https://github.com/glidernet/ogn-python
24 wiersze
957 B
Python
24 wiersze
957 B
Python
from ogn_python import db
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class ReceiverCoverage(db.Model):
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__tablename__ = "receiver_coverages"
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location_mgrs_short = db.Column(db.String(9), primary_key=True)
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date = db.Column(db.Date, primary_key=True)
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max_signal_quality = db.Column(db.Float)
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max_altitude = db.Column(db.Float(precision=2))
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min_altitude = db.Column(db.Float(precision=2))
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aircraft_beacon_count = db.Column(db.Integer)
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device_count = db.Column(db.SmallInteger)
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# Relations
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receiver_id = db.Column(db.Integer, db.ForeignKey('receivers.id', ondelete='SET NULL'), primary_key=True)
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receiver = db.relationship('Receiver', foreign_keys=[receiver_id], backref=db.backref('receiver_coverages', order_by='ReceiverCoverage.date.asc()'))
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db.Index('ix_receiver_coverages_date_receiver_id', ReceiverCoverage.date, ReceiverCoverage.receiver_id)
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db.Index('ix_receiver_coverages_receiver_id_date', ReceiverCoverage.receiver_id, ReceiverCoverage.date)
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