Ecto.Adapter.Migration.execute_ddl

You're seeing just the callback execute_ddl, go back to Ecto.Adapter.Migration module for more information.
Link to this callback

execute_ddl(adapter_meta, command, options)

View Source

Specs

execute_ddl(adapter_meta(), command(), options :: Keyword.t()) ::
  {:ok, [{Logger.level(), Logger.message(), Logger.metadata()}]}

Executes migration commands.