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merge with 5.5

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This commit is contained in:
Sergei Golubchik
2012-11-03 12:28:51 +01:00
parent 247e654fa7 4ffc9c3b01
commit 40e94a3734
210 changed files with 5894 additions and 1460 deletions
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6
sql/mdl.h
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@ -876,4 +876,10 @@ extern mysql_mutex_t LOCK_open;
extern ulong mdl_locks_cache_size;
static const ulong MDL_LOCKS_CACHE_SIZE_DEFAULT = 1024;
/*
Metadata locking subsystem tries not to grant more than
max_write_lock_count high-prio, strong locks successively,
to avoid starving out weak, low-prio locks.
*/
extern "C" ulong max_write_lock_count;
#endif