permission_id int(11) not_null auto_increment
agent_id varchar(100) not_null
business_domain varchar(100) not_null
permission_level enum('read_only','propose','execute_safe','execute_all') not_null
created_at timestamp NULL default(current_timestamp)
updated_at timestamp NULL default(current_timestamp) ON UPDATE current_timestamp()

--
primary permission_id
unique unique_agent_business_domain agent_id business_domain
idx_agent_id agent_id
idx_business_domain business_domain
idx_permission_level permission_level

##
engine innodb
character_set utf8mb4
collate utf8mb4_unicode_ci
