kopia lustrzana https://github.com/glidernet/ogn-python
24 wiersze
950 B
Python
24 wiersze
950 B
Python
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from app 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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