Manual:Math table/zh

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

This table is not used in the MediaWiki 1.18 release, and can be safely deleted.

It was, and still is used as part of, however, no core software needs it.

Schema summary
++---+--+-+-+---+ ++---+--+-+-+---+ ++---+--+-+-+---+
 * 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                 | blob          | YES  |     | NULL    |       |
 * math_mathml               | blob          | YES  |     | NULL    |       |

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

Indexes
 +---+++--++---+-+--++--++-+---+ +---+++--++---+-+--++--++-+---+ +---+++--++---+-+--++--++-+---+
 * Table | Non_unique | Key_name      | Seq_in_index | Column_name    | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
 * math |          0 | math_inputhash |            1 | math_inputhash | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |