Print progress of background rollback of transactions with more than 1000 undo log entries
srv0start.c, trx0roll.c, log0recv.c, trx0roll.h:
Cleanup background rollback code in crash recovery; do not flush all modified pages from the buffer pool after a crash recovery: this makes mysqld accesible for users more quickly
Merge InnoDB-4.0.14: SAVEPOINT now implemented; InnoDB now accepts also column prefix keys; crashing bug in ON UPDATE CASCADE fixed; page checksum formula fixed