Math table

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MediaWiki database layout

Math table

math table is used by the math module to keep track of previously-rendered items.

describe math;

+----------------------------+-------------+------+-----+---------+-------+
| Field                      | Type        | Null | Key | Default | Extra |
+----------------------------+-------------+------+-----+---------+-------+
| math_inputhash             | varchar(16) |      | PRI |         |       |
| math_outputhash            | varchar(16) |      |     |         |       |
| math_html_conservativeness | tinyint(1)  |      |     | 0       |       |
| math_html                  | text        | YES  |     | NULL    |       |
| math_mathml                | text        | YES  |     | NULL    |       |
+----------------------------+-------------+------+-----+---------+-------+

Looks like a caching table for MathML translations.

MediaWiki version:

1.8

DESCRIBE math; in MediaWiki 1.8 gives the following:

+----------------------------+-------------+------+-----+---------+-------+
| Field                      | Type        | Null | Key | Default | Extra |
+----------------------------+-------------+------+-----+---------+-------+
| math_inputhash             | varchar(16) | NO   | PRI | NULL    |       |
| math_outputhash            | varchar(16) | NO   |     | NULL    |       |
| math_html_conservativeness | tinyint(1)  | NO   |     | NULL    |       |
| math_html                  | text        | YES  |     | NULL    |       |
| math_mathml                | text        | YES  |     | NULL    |       |
+----------------------------+-------------+------+-----+---------+-------+

MediaWiki version:

1.9

+----------------------------+-------------+------+-----+---------+-------+
| Field                      | Type        | Null | Key | Default | Extra |
+----------------------------+-------------+------+-----+---------+-------+
| math_inputhash             | varchar(16) | NO   | PRI | NULL    |       |
| math_outputhash            | varchar(16) | NO   |     | NULL    |       |
| math_html_conservativeness | tinyint(1)  | NO   |     | NULL    |       |
| math_html                  | text        | YES  |     | NULL    |       |
| math_mathml                | text        | YES  |     | NULL    |       |
+----------------------------+-------------+------+-----+---------+-------+

MediaWiki version:

1.11

+----------------------------+---------------+------+-----+---------+-------+
| Field                      | Type          | Null | Key | Default | Extra |
+----------------------------+---------------+------+-----+---------+-------+
| math_inputhash             | varbinary(16) | NO   | PRI | NULL    |       |
| math_outputhash            | varbinary(16) | NO   |     | NULL    |       |
| math_html_conservativeness | tinyint(4)    | NO   |     | NULL    |       |
| math_html                  | text          | YES  |     | NULL    |       |
| math_mathml                | text          | YES  |     | NULL    |       |
+----------------------------+---------------+------+-----+---------+-------+

MediaWiki version:

1.12

+----------------------------+-------------+------+-----+---------+-------+
| Field                      | Type        | Null | Key | Default | Extra |
+----------------------------+-------------+------+-----+---------+-------+
| math_inputhash             | varchar(16) | NO   | PRI | NULL    |       |
| math_outputhash            | varchar(16) | NO   |     | NULL    |       |
| math_html_conservativeness | tinyint(1)  | NO   |     | NULL    |       |
| math_html                  | text        | YES  |     | NULL    |       |
| math_mathml                | text        | YES  |     | NULL    |       |
+----------------------------+-------------+------+-----+---------+-------+