Database error

A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:

SELECT value,exptime FROM `objectcache` WHERE keyname='tg_wiki:pcache:idhash:2879-0!1!0!!en!2!edit=0'

from within function "MediaWikiBagOStuff::_doquery". Database returned error "1030: Got error 134 from storage engine (localhost)".