prepare_command_options

# File activerecord/lib/active_record/tasks/mysql_database_tasks.rb, line 92
        def prepare_command_options
          args = {
            host:      "--host",
            port:      "--port",
            socket:    "--socket",
            username:  "--user",
            password:  "--password",
            encoding:  "--default-character-set",
            sslca:     "--ssl-ca",
            sslcert:   "--ssl-cert",
            sslcapath: "--ssl-capath",
            sslcipher: "--ssl-cipher",
            sslkey:    "--ssl-key",
            ssl_mode:  "--ssl-mode"
          }.filter_map { |opt, arg| "#{arg}=#{configuration_hash[opt]}" if configuration_hash[opt] }

          args
        end