friendica-github/doc/database/db_photo.md
Hypolite Petovan 4f6e02357a Replace "group" with "circle" in database comments
- Table names "group" and "group_member" are unchanged
2023-05-27 17:28:21 -04:00

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Table photo
===========
photo storage
Fields
------
| Field | Description | Type | Null | Key | Default | Extra |
| ------------- | ------------------------------------------------------------------- | ------------------ | ---- | --- | ------------------- | -------------- |
| id | sequential ID | int unsigned | NO | PRI | NULL | auto_increment |
| uid | Owner User id | mediumint unsigned | NO | | 0 | |
| contact-id | contact.id | int unsigned | NO | | 0 | |
| guid | A unique identifier for this photo | char(16) | NO | | | |
| resource-id | | char(32) | NO | | | |
| hash | hash value of the photo | char(32) | YES | | NULL | |
| created | creation date | datetime | NO | | 0001-01-01 00:00:00 | |
| edited | last edited date | datetime | NO | | 0001-01-01 00:00:00 | |
| title | | varchar(255) | NO | | | |
| desc | | text | YES | | NULL | |
| album | The name of the album to which the photo belongs | varchar(255) | NO | | | |
| photo-type | User avatar, user banner, contact avatar, contact banner or default | tinyint unsigned | YES | | NULL | |
| filename | | varchar(255) | NO | | | |
| type | | varchar(30) | NO | | image/jpeg | |
| height | | smallint unsigned | NO | | 0 | |
| width | | smallint unsigned | NO | | 0 | |
| datasize | | int unsigned | NO | | 0 | |
| blurhash | BlurHash representation of the photo | varbinary(255) | YES | | NULL | |
| data | | mediumblob | NO | | NULL | |
| scale | | tinyint unsigned | NO | | 0 | |
| profile | | boolean | NO | | 0 | |
| allow_cid | Access Control - list of allowed contact.id '<19><78>' | mediumtext | YES | | NULL | |
| allow_gid | Access Control - list of allowed circles | mediumtext | YES | | NULL | |
| deny_cid | Access Control - list of denied contact.id | mediumtext | YES | | NULL | |
| deny_gid | Access Control - list of denied circles | mediumtext | YES | | NULL | |
| accessible | Make photo publicly accessible, ignoring permissions | boolean | NO | | 0 | |
| backend-class | Storage backend class | tinytext | YES | | NULL | |
| backend-ref | Storage backend data reference | text | YES | | NULL | |
| updated | | datetime | NO | | 0001-01-01 00:00:00 | |
Indexes
------------
| Name | Fields |
| ----------------------------- | ------------------------------------ |
| PRIMARY | id |
| contactid | contact-id |
| uid_contactid | uid, contact-id |
| uid_profile | uid, profile |
| uid_album_scale_created | uid, album(32), scale, created |
| uid_album_resource-id_created | uid, album(32), resource-id, created |
| resource-id | resource-id |
| uid_photo-type | uid, photo-type |
Foreign Keys
------------
| Field | Target Table | Target Field |
|-------|--------------|--------------|
| uid | [user](help/database/db_user) | uid |
| contact-id | [contact](help/database/db_contact) | id |
Return to [database documentation](help/database)