crawler/alembic/env.py
def run_migrations_online():
    """Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    """
    configuration = config.get_section(config.config_ini_section)
    config['sqlalchemy.url'] = get_url()

    connectable = engine_from_config(
        configuration,
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )

    with connectable.connect() as connection:
        context.configure(
            connection=connection, target_metadata=target_metadata, compare_type=True
        )

        with context.begin_transaction():
            context.run_migrations()
Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    
Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
Run migrations in ' online ' mode . In this scenario we need to create an Engine and associate a connection with the context .
def run_migrations_online():
    configuration = config.get_section(config.config_ini_section)
    config['sqlalchemy.url'] = get_url()
    connectable = engine_from_config(
        configuration,
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )
    with connectable.connect() as connection:
        context.configure(
            connection=connection, target_metadata=target_metadata, compare_type=True
        )
        with context.begin_transaction():
            context.run_migrations()
def run_migrations_online ( ) : configuration = config . get_section ( config . config_ini_section ) config [ 'sqlalchemy.url' ] = get_url ( ) connectable = engine_from_config ( configuration , prefix = "sqlalchemy." , poolclass = pool . NullPool , ) with connectable . connect ( ) as connection : context . configure ( connection = connection , target_metadata = target_metadata , compare_type = True ) with context . begin_transaction ( ) : context . run_migrations ( )
Run migrations in 'online' mode.
Run migrations in ' online ' mode .
"""Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    """