Extension:MathSearch/mathindex table

mysql> describe mathindex; +---+--+--+-+---+-+ +---+--+--+-+---+-+ +---+--+--+-+---+-+
 * Field    | Type             | Null | Key | Default           | Extra                       |
 * pageid   | int(10) unsigned | NO   | PRI | NULL              |                             |
 * anchor   | int(6) unsigned  | NO   | PRI | NULL              |                             |
 * inputhash | varbinary(16)   | NO   | MUL | NULL              |                             |
 * timestamp | timestamp       | NO   |     | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |