liumangmang
14 lines
635 B
Python
14 lines
635 B
Python
from datetime import datetime, timezone
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from sqlalchemy import Integer, Text, DateTime, ForeignKey
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from sqlalchemy.orm import mapped_column, Mapped
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from app.database import Base
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class UpstreamRateSnapshot(Base):
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__tablename__ = "upstream_rate_snapshots"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
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upstream_id: Mapped[int] = mapped_column(Integer, ForeignKey("upstreams.id", ondelete="CASCADE"), index=True)
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snapshot_json: Mapped[str] = mapped_column(Text, nullable=False)
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captured_at: Mapped[datetime] = mapped_column(DateTime, default=lambda: datetime.now(timezone.utc), index=True)
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