Manual:User newtalk table/zh

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MediaWiki数据库布局
user_newtalk表

The user_newtalk table stores the IDs or IP addresses of users whose talk pages have been changed. This information is used for the display of the "you have new messages" box. The respective row is deleted when the user looks at the page.

字段

user_id

Key to user.user_id or "0" for anonymous users.

user_ip

If the user is an anonymous user their IP address is stored here since the user_id of 0 is ambiguous.

user_last_timestamp

MediaWiki版本：
≥ 1.13

Timestamp for getting the difference since last view.

模式摘要

MediaWiki版本：
≥ 1.36

DESCRIBE user_newtalk;

+---------------------+------------------+------+-----+---------+-------+
| Field               | Type             | Null | Key | Default | Extra |
+---------------------+------------------+------+-----+---------+-------+
| user_id             | int(10) unsigned | NO   | MUL | 0       |       |
| user_ip             | varbinary(40)    | NO   |     |         |       |
| user_last_timestamp | binary(14)       | YES  |     | NULL    |       |
+---------------------+------------------+------+-----+---------+-------+
MediaWiki版本：
1.25 – 1.35

DESCRIBE user_newtalk;

+---------------------+------------------+------+-----+---------+-------+
| Field               | Type             | Null | Key | Default | Extra |
+---------------------+------------------+------+-----+---------+-------+
| user_id             | int(10) unsigned | NO   | MUL | 0       |       |
| user_ip             | varbinary(40)    | NO   | MUL |         |       |
| user_last_timestamp | varbinary(14)    | YES  |     | NULL    |       |
+---------------------+------------------+------+-----+---------+-------+
MediaWiki版本：
1.18 – 1.24

DESCRIBE user_newtalk;

+---------------------+---------------+------+-----+---------+-------+
| Field               | Type          | Null | Key | Default | Extra |
+---------------------+---------------+------+-----+---------+-------+
| user_id             | int(11)       | NO   | MUL | 0       |       |
| user_ip             | varbinary(40) | NO   | MUL | NULL    |       |
| user_last_timestamp | varbinary(14) | YES  |     | NULL    |       |
+---------------------+---------------+------+-----+---------+-------+
MediaWiki版本：
1.13 – 1.17

DESCRIBE user_newtalk;

+---------------------+---------------+------+-----+---------+-------+
| Field               | Type          | Null | Key | Default | Extra |
+---------------------+---------------+------+-----+---------+-------+
| user_id             | int(11)       | NO   | MUL | 0       |       |
| user_ip             | varbinary(40) | NO   | MUL | NULL    |       |
| user_last_timestamp | binary(14)    | NO   |     | NULL    |       |
+---------------------+---------------+------+-----+---------+-------+
MediaWiki版本：
1.10 – 1.12

DESCRIBE user_newtalk;

+---------+---------------+------+-----+---------+-------+
| Field   | Type          | Null | Key | Default | Extra |
+---------+---------------+------+-----+---------+-------+
| user_id | int(11)       | NO   | MUL | 0       |       |
| user_ip | varbinary(40) | NO   | MUL | NULL    |       |
+---------+---------------+------+-----+---------+-------+
MediaWiki版本：
1.1 – 1.9

DESCRIBE user_newtalk;

+---------+-------------+------+-----+---------+-------+
| Field   | Type        | Null | Key | Default | Extra |
+---------+-------------+------+-----+---------+-------+
| user_id | int(5)      | NO   | MUL | 0       |       |
| user_ip | varchar(40) | NO   | MUL | NULL    |       |
+---------+-------------+------+-----+---------+-------+

Indexes

MediaWiki版本：
≥ 1.15

SHOW INDEX IN user_newtalk;

+--------------+------------+------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table        | Non_unique | Key_name   | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+--------------+------------+------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| user_newtalk |          1 | un_user_id |            1 | user_id     | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| user_newtalk |          1 | un_user_ip |            1 | user_ip     | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+--------------+------------+------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
Category:MediaWiki database tables/zh#User%20newtalk%20table Category:MediaWiki database tables that lack a primary key/zh
Category:MediaWiki database tables/zh Category:MediaWiki database tables that lack a primary key/zh