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 | 1.User / 2.Group / 3.Hashtag / 4.Post / 5.Comment | |
| usage_id | bigint UNSIGNED | Key ID | NO | 1.Related field users->id2.Related field groups->id3.Related field hashtags->id4.Related field posts->id5.Related field comments->id | |
| link_id | int UNSIGNED | Link ID | NO | Related field domain_links->id | |
| created_at | timestamp | Create Time | CURRENT_TIMESTAMP | NO | |
| updated_at | timestamp | Update Time | YES | ||
| deleted_at | timestamp | Delete Time | YES |