domain_link_usages

Column Name	Type	Comment	Default	Null	Remark
id	int UNSIGNED	Primary Key ID		NO	Auto-increment
usage_type	tinyint UNSIGNED	Target Type		NO	Content Type
usage_id	bigint UNSIGNED	Key ID		NO
link_id	int UNSIGNED	Link ID		NO	Related field domain_links->id
created_at	timestamp	Create Time	useCurrent	NO	For example, MySQL defaults to CURRENT_TIMESTAMP
updated_at	timestamp	Update Time		YES
deleted_at	timestamp	Delete Time		YES