81 lines
1.8 KiB
Python
81 lines
1.8 KiB
Python
from logging.config import fileConfig
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from data.db import engine
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from data.models import Base
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from alembic import context
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"""
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Create migration example:
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> alembic -c alembic/alembic.ini revision --autogenerate -m "Added pool size config to the connection model."
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Migrate example:
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> alembic -c alembic/alembic.ini upgrade head
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"""
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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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from data.models import User, Query, Connection
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""
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Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here as well. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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Calls to context.execute() here emit the given string to the
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script output.
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"""
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url = config.get_main_option("sqlalchemy.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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)
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with context.begin_transaction():
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context.run_migrations()
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async def run_migrations_online() -> None:
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"""
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Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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connectable = engine
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async with connectable.connect() as connection:
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await connection.run_sync(do_migrations)
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def do_migrations(connection):
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context.configure(connection=connection, target_metadata=Base.metadata)
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with context.begin_transaction():
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context.run_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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import asyncio
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asyncio.run(run_migrations_online())
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