ansible-role-postfix/templates/mysql_virtual_alias_domain_maps.cf.j2

user = postfix
password = password
hosts = localhost
dbname = postfix
query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = CONCAT('%u', '@', alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'