70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
import asyncio
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from logging.config import fileConfig
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from sqlalchemy import pool, text
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from sqlalchemy.ext.asyncio import create_async_engine
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from alembic import context
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from app.core.config import settings
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from app.db import models # noqa: F401 — регистрирует все модели в metadata
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from app.db.base import Base
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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target_metadata = Base.metadata
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_schema = settings.DATABASE_SCHEMA or None
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def run_migrations_offline() -> None:
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url = settings.DATABASE_URL
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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include_schemas=True,
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version_table_schema=_schema,
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)
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection):
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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include_schemas=True,
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version_table_schema=_schema,
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# SQLite не умеет большинство ALTER TABLE — для локальной БД будущие
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# ревизии с изменением колонок пойдут через batch (пересоздание таблицы).
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render_as_batch=connection.dialect.name == "sqlite",
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)
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with context.begin_transaction():
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if _schema:
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context.execute(text(f"CREATE SCHEMA IF NOT EXISTS {_schema}"))
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context.run_migrations()
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async def run_async_migrations() -> None:
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connectable = create_async_engine(
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settings.DATABASE_URL,
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poolclass=pool.NullPool,
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)
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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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asyncio.run(run_async_migrations())
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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