adding data_science_dev

python/orm/data_science_dev/__init__.py

@@ -0,0 +1,11 @@
+"""Data science dev database ORM exports."""
+
+from __future__ import annotations
+
+from python.orm.data_science_dev.base import DataScienceDevBase, DataScienceDevTableBase, DataScienceDevTableBaseBig
+
+__all__ = [
+    "DataScienceDevBase",
+    "DataScienceDevTableBase",
+    "DataScienceDevTableBaseBig",
+]

python/orm/data_science_dev/base.py

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+"""Data science dev database ORM base."""
+
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, MetaData, func
+from sqlalchemy.ext.declarative import AbstractConcreteBase
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+
+from python.orm.common import NAMING_CONVENTION
+
+
+class DataScienceDevBase(DeclarativeBase):
+    """Base class for data_science_dev database ORM models."""
+
+    schema_name = "main"
+
+    metadata = MetaData(
+        schema=schema_name,
+        naming_convention=NAMING_CONVENTION,
+    )
+
+
+class _TableMixin:
+    """Shared timestamp columns for all table bases."""
+
+    created: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+    )
+    updated: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )
+
+
+class DataScienceDevTableBase(_TableMixin, AbstractConcreteBase, DataScienceDevBase):
+    """Table with Integer primary key."""
+
+    __abstract__ = True
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+
+
+class DataScienceDevTableBaseBig(_TableMixin, AbstractConcreteBase, DataScienceDevBase):
+    """Table with BigInteger primary key."""
+
+    __abstract__ = True
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)

python/orm/data_science_dev/models.py

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+"""Data science dev database ORM models."""
+
+from __future__ import annotations