Config

Should to use ALCHEMY_EX option in config for configure extension.

Common settings

PROTOCOL	This is protocol to dns URL. For example: “mysql+mysqlconnector”
HOST	Database host
PORT	Port which listen database
USER	Database user
PASSWORD	Password access to database
DNS_PARAMS	Dict value. GET params to DNS URL.
DATABASES	Dict value where key is database name and value is dict params for. details
SESSION	Settings for sqlalchemy session. details
POOL_CLASS	Connection pool class for db engine

Database settings

Any settings of common can to be changed through DATABASES key.

ALCHEMY_EX = {
    'HOST': '192.0.0.1',  # it's host by default
    'DATABASES': {
        'some_database': {
            'host': '127.0.0.1',  # here we can change him
        },
    },
}

protocol	Protocol for dns URL to database
host	Database host
port	Port which listen database
user	Database user
password	Password access to database
dns_params	Dict value. GET params to DNS URL.
pool_class	Connection pool class for db engine
bind_key	Key for link database engine to..

Session settings

autoflush	The autoflush setting to use with newly created Session objects.
autocommit	The autocommit setting to use with newly created Session objects.
info	Optional dictionary of information that will be available
expire_on_commit	The expire_on_commit setting to use with newly created Session objects.