friendica-github/doc/database/db_post-media.md

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Table post-media
===========
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Attached media
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Fields
------
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| 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(1024) | NO | | NULL | |
| media-uri-id | Id of the item-uri table entry that contains the activities uri-id | int unsigned | YES | | NULL | |
| attach-id | In case of a local attachment, this field is filled with the id in the attach table | int unsigned | YES | | 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 | bigint unsigned | YES | | NULL | |
| blurhash | BlurHash representation of the image | varbinary(255) | YES | | NULL | |
| preview | Preview URL | varbinary(512) | 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(383) | 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(383) | YES | | NULL | |
| publisher-url | URL of the publisher of the media | varbinary(383) | 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(383) | YES | | NULL | |
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Indexes
------------
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| Name | Fields |
| ------------ | ------------------------ |
| PRIMARY | id |
| uri-id-url | UNIQUE, uri-id, url(512) |
| uri-id-id | uri-id, id |
| media-uri-id | media-uri-id |
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| attach-id | attach-id |
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Foreign Keys
------------
| Field | Target Table | Target Field |
|-------|--------------|--------------|
| uri-id | [item-uri](help/database/db_item-uri) | id |
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| media-uri-id | [item-uri](help/database/db_item-uri) | id |
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| attach-id | [attach](help/database/db_attach) | id |
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Return to [database documentation](help/database)