yuxuanhui
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
"""Alembic environment using the server's single Settings entry point."""
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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from zhixing_server.bootstrap.config import get_settings, sqlalchemy_database_url
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from zhixing_server.modules.market_data.infrastructure.schema import metadata
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config = context.config
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settings = get_settings()
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sqlalchemy_url = sqlalchemy_database_url(settings.database_url)
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config.set_main_option("sqlalchemy.url", sqlalchemy_url.replace("%", "%%"))
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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 = metadata
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def run_migrations_offline() -> None:
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"""Run migrations without opening a database connection."""
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context.configure(
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url=sqlalchemy_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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compare_type=True,
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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"""Run migrations against the configured PostgreSQL connection."""
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata, compare_type=True)
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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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run_migrations_online()
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