friendica-github/doc/database/db_channel.md

Table channel

User defined Channels

Fields

Field	Description	Type	Null	Key	Default	Extra
id		int unsigned	NO	PRI	NULL	auto_increment
uid	User id	mediumint unsigned	NO		NULL
label	Channel label	varchar(64)	NO		NULL
description	Channel description	varchar(64)	YES		NULL
circle	Circle or channel that this channel is based on	int	YES		NULL
access-key	Access key	varchar(1)	YES		NULL
include-tags	Comma separated list of tags that will be included in the channel	varchar(1023)	YES		NULL
exclude-tags	Comma separated list of tags that aren't allowed in the channel	varchar(1023)	YES		NULL
min-size	Minimum post size	int unsigned	YES		NULL
max-size	Maximum post size	int unsigned	YES		NULL
full-text-search	Full text search pattern, see https://mariadb.com/kb/en/full-text-index-overview/#in-boolean-mode	varchar(1023)	YES		NULL
media-type	Filtered media types	smallint unsigned	YES		NULL
languages	Desired languages	mediumtext	YES		NULL
publish	publish channel content	boolean	YES		NULL
valid	Set, when the full-text-search is valid	boolean	YES		NULL

Indexes

Name	Fields
PRIMARY	id
uid	uid

Foreign Keys

Field	Target Table	Target Field
uid	user	uid

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