Vasil Dimov 49cbbf6ea4 Fix Bug#53046 dict_update_statistics_low can still be run concurrently on same table ...

Replace the array of mutexes that used to protect
dict_index_t::stat_n_diff_key_vals[] with an array of rw locks that protects
all the stats related members in dict_table_t and all of its indexes.

Approved by:	Jimmy (rb://503)

2010-11-02 18:57:20 +02:00

1016 B

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