Indexes and foreign keys added

doc/database/db_tokens.md

@@ -3,6 +3,9 @@ Table tokens
 
 OAuth usage
 
+Fields
+------
+
 | Field     | Description | Type               | Null | Key | Default | Extra |
 | --------- | ----------- | ------------------ | ---- | --- | ------- | ----- |
 | id        |             | varchar(40)        | NO   | PRI | NULL    |       |
@@ -12,4 +15,21 @@ OAuth usage
 | scope     |             | varchar(200)       | NO   |     |         |       |
 | uid       | User id     | mediumint unsigned | NO   |     | 0       |       |
 
+Indexes
+------------
+
+| Name | Fields |
+|------|---------|
+| PRIMARY | id |
+| client_id | client_id |
+| uid | uid |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| client_id | [clients](help/database/db_clients) | client_id |
+| uid | [user](help/database/db_user) | uid |
+
 Return to [database documentation](help/database)