aiida.backends.sqlalchemy.migrations package


Upper lewel SQLAlchemy migration funcitons.


Run migrations in ‘offline’ mode.

This configures the context with just a URL and not an Engine, though an Engine is acceptable here as well. By skipping the Engine creation we don’t even need a DBAPI to be available.

Calls to context.execute() here emit the given string to the script output.


Run migrations in ‘online’ mode.

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