friendica/doc/database/db_post-media.md

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Table post-media
===========
Attached media
Fields
------
| Field | Description | Type | Null | Key | Default | Extra |
| --------------- | --------------------------------------------------------- | ----------------- | ---- | --- | ------- | -------------- |
| id | sequential ID | int unsigned | NO | PRI | NULL | auto_increment |
| uri-id | Id of the item-uri table entry that contains the item uri | int unsigned | NO | | NULL | |
| url | Media URL | varbinary(511) | NO | | NULL | |
| type | Media type | tinyint unsigned | NO | | 0 | |
| mimetype | | varchar(60) | YES | | NULL | |
| height | Height of the media | smallint unsigned | YES | | NULL | |
| width | Width of the media | smallint unsigned | YES | | NULL | |
| size | Media size | int unsigned | YES | | NULL | |
| preview | Preview URL | varbinary(255) | YES | | NULL | |
| preview-height | Height of the preview picture | smallint unsigned | YES | | NULL | |
| preview-width | Width of the preview picture | smallint unsigned | YES | | NULL | |
| description | | text | YES | | NULL | |
| name | Name of the media | varchar(255) | YES | | NULL | |
| author-url | URL of the author of the media | varbinary(255) | YES | | NULL | |
| author-name | Name of the author of the media | varchar(255) | YES | | NULL | |
| author-image | Image of the author of the media | varbinary(255) | YES | | NULL | |
| publisher-url | URL of the publisher of the media | varbinary(255) | YES | | NULL | |
| publisher-name | Name of the publisher of the media | varchar(255) | YES | | NULL | |
| publisher-image | Image of the publisher of the media | varbinary(255) | YES | | NULL | |
Indexes
------------
| Name | Fields |
| ---------- | ------------------- |
| PRIMARY | id |
| uri-id-url | UNIQUE, uri-id, url |
Foreign Keys
------------
| Field | Target Table | Target Field |
|-------|--------------|--------------|
| uri-id | [item-uri](help/database/db_item-uri) | id |
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