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

Table post-history

Post history

Fields

Field	Description	Type	Null	Key	Default	Extra
uri-id	Id of the item-uri table entry that contains the item uri	int unsigned	NO	PRI	NULL
edited	Date of edit	datetime	NO	PRI	0001-01-01 00:00:00
title	item title	varchar(255)	NO
content-warning		varchar(255)	NO
body	item body content	mediumtext	YES		NULL
raw-body	Body without embedded media links	mediumtext	YES		NULL
location	text location where this item originated	varchar(255)	NO
coord	longitude/latitude pair representing location where this item originated	varchar(255)	NO
language	Language information about this post	text	YES		NULL
app	application which generated this item	varchar(255)	NO
rendered-hash		varchar(32)	NO
rendered-html	item.body converted to html	mediumtext	YES		NULL
object-type	ActivityStreams object type	varchar(100)	NO
object	JSON encoded object structure unless it is an implied object (normal post)	text	YES		NULL
target-type	ActivityStreams target type if applicable (URI)	varchar(100)	NO
target	JSON encoded target structure if used	text	YES		NULL
resource-id	Used to link other tables to items, it identifies the linked resource (e.g. photo) and if set must also set resource_type	varchar(32)	NO
plink	permalink or URL to a displayable copy of the message at its source	varbinary(383)	NO

Indexes

Name	Fields
PRIMARY	uri-id, edited

Foreign Keys

Field	Target Table	Target Field
uri-id	item-uri	id

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