Created by Oleksandr "Sanja" Byelkin and last modified
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3412. By Oleksandr "Sanja" Byelkin

more cache statistic + additional check

3411. By Igor Babaev

Made mrr related counters temporarily invisible until we agree upon their names.

3410. By Oleksandr "Sanja" Byelkin

Fixed typos in Query Cache.

3409. By Oleksandr "Sanja" Byelkin

Merge with 5.2

3408. By Oleksandr "Sanja" Byelkin

Moving LP BUG#794005 to 5.3 + fixing INSERT of multi-table view.

3407. By Igor Babaev

Back-ported the fix for bug #12831587 from mysql-5.6 code line.

The comment for the fix commit says:
Due to the changes required by ICP we first copy a row from the InnoDB
format to the MySQL row buffer and then copy it to the pre-fetch queue.
This was done for the non-ICP code path too. This change removes the
double copy for the latter.

3406. By Igor Babaev

Applied the patch from mysql-5.6 code line that fixed
a significant performance drop for high concurrency bechmarks
(bug #11765850 - 58854).

Here's the comment of the patch commit:

The bug is that the InnoDB pre-fetch cache was not being used in
row_search_for_mysql(). Secondly the changeset that planted the
bug also introduced some inefficient code. It would read an extra
row, convert it to MySQL row format (for ICP==off), copy the row
to the pre-fetch cache row buffer, then check for cache overflow
and dequeue the row that was pushed if there was a possibility of
a cache overflow.

3405. By Igor Babaev


3404. By Oleksandr "Sanja" Byelkin

fix for LP BUG#921878.

Problem was in try to check/use Item_direct_ref of derived view when we have to use real Item_field under it.

3403. By Sergei Golubchik

sort status variables alphabetically in mysqld.cc

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