24 lines
785 B
Python
24 lines
785 B
Python
"""Declarative base for all ORM models.
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Naming convention is set explicitly so Alembic generates stable, reviewable
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constraint names across migrations and Postgres versions.
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"""
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from __future__ import annotations
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from sqlalchemy import MetaData
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from sqlalchemy.orm import DeclarativeBase
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# https://alembic.sqlalchemy.org/en/latest/naming.html#integration-of-naming-conventions-into-operations-autogenerate
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NAMING_CONVENTION = {
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"ix": "ix_%(table_name)s_%(column_0_N_name)s",
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"uq": "uq_%(table_name)s_%(column_0_N_name)s",
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"ck": "ck_%(table_name)s_%(constraint_name)s",
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"fk": "fk_%(table_name)s_%(column_0_N_name)s_%(referred_table_name)s",
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"pk": "pk_%(table_name)s",
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}
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class Base(DeclarativeBase):
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metadata = MetaData(naming_convention=NAMING_CONVENTION)
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