friendica/doc/database/db_post-user.md

Table post-user

User specific post data

Field	Description	Type	Null	Key	Default	Extra
id		int unsigned	YES	PRI		auto_increment
uri-id	Id of the item-uri table entry that contains the item uri	int unsigned	YES
parent-uri-id	Id of the item-uri table that contains the parent uri	int unsigned	NO
thr-parent-id	Id of the item-uri table that contains the thread parent uri	int unsigned	NO
external-id	Id of the item-uri table entry that contains the external uri	int unsigned	NO
created	Creation timestamp.	datetime	YES		0001-01-01 00:00:00
edited	Date of last edit (default is created)	datetime	YES		0001-01-01 00:00:00
received	datetime	datetime	YES		0001-01-01 00:00:00
gravity		tinyint unsigned	YES		0
network	Network from where the item comes from	char(4)	YES
owner-id	Link to the contact table with uid=0 of the owner of this item	int unsigned	YES		0
author-id	Link to the contact table with uid=0 of the author of this item	int unsigned	YES		0
causer-id	Link to the contact table with uid=0 of the contact that caused the item creation	int unsigned	NO
post-type	Post type (personal note, image, article, ...)	tinyint unsigned	YES		0
post-reason	Reason why the post arrived at the user	tinyint unsigned	YES		0
vid	Id of the verb table entry that contains the activity verbs	smallint unsigned	NO
private	0=public, 1=private, 2=unlisted	tinyint unsigned	YES		0
global		boolean	YES		0
visible		boolean	YES		0
deleted	item has been marked for deletion	boolean	YES		0
uid	Owner id which owns this copy of the item	mediumint unsigned	YES
protocol	Protocol used to deliver the item for this user	tinyint unsigned	NO
contact-id	contact.id	int unsigned	YES		0
event-id	Used to link to the event.id	int unsigned	NO
unseen	post has not been seen	boolean	YES		1
hidden	Marker to hide the post from the user	boolean	YES		0
notification-type		tinyint unsigned	YES		0
wall	This item was posted to the wall of uid	boolean	YES		0
origin	item originated at this site	boolean	YES		0
psid	ID of the permission set of this post	int unsigned	NO

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