Extension:CheckUser/cu changes table

A table for the CheckUser extension used to store events from the recentchanges table and other selected events with the IP and UA string used to make the action. See also Extension:CheckUser/cu log table .

Fields

cuc_id

Primary key, used to uniquely identify a cu_changes row.

cuc_namespace

Similar to rc_namespace . When pages are renamed, this namespace does not change.

cuc_title

Similar to rc_title . When pages are renamed, this title does not change.

cuc_user

MediaWiki version:

≤ 1.39

References a user_id in the user table. Similar to rc_user .

cuc_user_text

MediaWiki version:

≤ 1.39

References either a username with the ID stored in cuc_user in the user table or the text representation of the IP address when cuc_user is 0. Similar to rc_user_text .

cuc_actor

MediaWiki version:

≥ 1.38

Stores the actor_id for the user who performed the action that created this row. Similar to rc_user .

cuc_actiontext

Stores the output of the text generated by using the database columns rc_params or log_params in language specified in the server configuation. Once set this does not change and is not translated for user-by-user.

cuc_comment

Similar to rc_comment and log_comment .

cuc_comment_id

MediaWiki version:

≥ 1.38

References a row in the comment table with the comment_id as the value stored in this column. Similar to rc_comment_id and log_comment_id .

cuc_minor

See rc_minor .

cuc_page_id

Key to page_id . Used to keep links working after moves while keeping the title and namespace of this change the same in the changes list. If not applicable (and also by default), the value of this column is 0.

cuc_this_oldid

rev_id of the given revision. See also rc_this_oldid .

cuc_last_oldid

rev_id of the prior revision, for generating diff links. See also rc_last_oldid .

cuc_type

One of RC_EDIT (0), RC_NEW (1) or RC_LOG (3). See rc_type .

cuc_timestamp

Timestamp for the event that is stored in the cu_changes table, in the timestamp format MediaWiki uses everywhere in the database: yyyymmddhhmmss.

cuc_ip

The IP address used to make the edit.

cuc_ip_hex

The IP address in cuc_ip as hexadecimal.

cuc_xff

The entire XFF header. If not provided or if all XFF IPs are varnish servers, this will be the empty string.

cuc_xff_hex

If all XFF IPs are not varnish servers, then this contains the best guess of the XFF IP in the XFF header as hexadecimal.

cuc_agent

The User agent header provided in the request that made the action being stored in this row.

cuc_private

Private data that is stored using encryption. Must have a public key defined in the server configuration using $wgCUPublicKey. Otherwise is left empty.

Schema

mysql> describe cu_changes;
+----------------+---------------------+------+-----+---------+----------------+
| Field          | Type                | Null | Key | Default | Extra          |
+----------------+---------------------+------+-----+---------+----------------+
| cuc_id         | int(10) unsigned    | NO   | PRI | NULL    | auto_increment |
| cuc_namespace  | int(11)             | NO   |     | 0       |                |
| cuc_title      | varbinary(255)      | NO   |     |         |                |
| cuc_user       | int(11)             | NO   | MUL | 0       |                |
| cuc_user_text  | varbinary(255)      | NO   |     |         |                |
| cuc_actor      | bigint(20) unsigned | NO   | MUL | 0       |                |
| cuc_actiontext | varbinary(255)      | NO   |     |         |                |
| cuc_comment    | varbinary(255)      | NO   |     |         |                |
| cuc_comment_id | bigint(20) unsigned | NO   |     | 0       |                |
| cuc_minor      | tinyint(1)          | NO   |     | 0       |                |
| cuc_page_id    | int(10) unsigned    | NO   |     | 0       |                |
| cuc_this_oldid | int(10) unsigned    | NO   |     | 0       |                |
| cuc_last_oldid | int(10) unsigned    | NO   |     | 0       |                |
| cuc_type       | tinyint(3) unsigned | NO   |     | 0       |                |
| cuc_timestamp  | binary(14)          | NO   | MUL | NULL    |                |
| cuc_ip         | varbinary(255)      | YES  |     |         |                |
| cuc_ip_hex     | varbinary(255)      | YES  | MUL | NULL    |                |
| cuc_xff        | varbinary(255)      | YES  |     |         |                |
| cuc_xff_hex    | varbinary(255)      | YES  | MUL | NULL    |                |
| cuc_agent      | varbinary(255)      | YES  |     | NULL    |                |
| cuc_private    | mediumblob          | YES  |     | NULL    |                |
+----------------+---------------------+------+-----+---------+----------------+