49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
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"""环境因子(气象) 数据模型"""
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from decimal import Decimal
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from sqlalchemy import ForeignKey, Index, Integer, Numeric, String
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from sqlalchemy.orm import Mapped, mapped_column
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from app.core.base_model import MappedBase, ModelMixin, UserMixin
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class EnvironmentConditionModel(ModelMixin, UserMixin, MappedBase):
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"""环境因子（规格 §3.9；G×E 协变量，site×year 唯一）。"""
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__tablename__ = "bre_environment_condition"
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site_id: Mapped[int] = mapped_column(
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Integer, ForeignKey("bre_site.id"), index=True, nullable=False, comment="试验基地"
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)
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year: Mapped[int] = mapped_column(Integer, nullable=False, comment="年份")
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chilling_hours: Mapped[Decimal | None] = mapped_column(
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Numeric(8, 1), nullable=True, comment="需冷量(小时)", default=None
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)
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growing_degree_days: Mapped[Decimal | None] = mapped_column(
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Numeric(8, 1), nullable=True, comment="生长度日 GDD", default=None
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)
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rainfall_mm: Mapped[Decimal | None] = mapped_column(
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Numeric(8, 1), nullable=True, comment="降水量(mm)", default=None
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)
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temp_avg: Mapped[Decimal | None] = mapped_column(
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Numeric(6, 1), nullable=True, comment="年均温度(℃)", default=None
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)
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soil_moisture: Mapped[Decimal | None] = mapped_column(
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Numeric(6, 1), nullable=True, comment="土壤湿度", default=None
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)
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source: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="数据来源", default=None)
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remark: Mapped[str | None] = mapped_column(String(512), nullable=True, comment="备注", default=None)
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__table_args__ = (
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Index("ix_bre_environment_condition_created_deleted", "created_time", "is_deleted"),
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Index("uq_env_site_year", "site_id", "year", unique=True),
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)
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