geotag_usages

Column Name	Type	Comment	Default	Null	Remark
id	bigint UNSIGNED	Primary Key ID		NO	Auto Increment
usage_type	tinyint UNSIGNED	Type of target		NO	Content Type
usage_id	bigint UNSIGNED	Key ID		NO
geotag_id	int UNSIGNED	Geotag ID		NO	Related field geotags->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