2010-05-07 00:52:32.093 Upgrading to MythTV schema version 1247
2010-05-07 00:52:32.093 DB Error (Performing database upgrade): 
Query was: ALTER TABLE recorded ADD COLUMN bookmarkupdate timestamp default 0 NOT NULL 
Error was: Driver error was [2/1060]:
QMYSQL: Unable to execute query
Database error was:
Duplicate column name 'bookmarkupdate'
 
new version: 1247
2010-05-07 00:52:32.093 Database Schema upgrade FAILED, unlocking.
2010-05-07 00:52:32.093 Couldn't upgrade database to new schema.
Error in my_thread_global_end(): 1 threads didn't exit