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Re: mysql 5.6, 5.7

To: Igor Babaev <igor@xxxxxxxxxxxx>
From: Roberto Spadim <roberto@xxxxxxxxxxxxx>
Date: Tue, 18 Jun 2013 17:06:58 -0300
Cc: "maria-developers@xxxxxxxxxxxxxxxxxxx" <maria-developers@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <CAH3kUhHWrariGH8_ameenxL4OauZpo8O6uytD+NDMrezuRoAzg@mail.gmail.com>

hum, there's something that show the "cost" of each optimization in
mariadb, like the mysql optimizer_trace?
i'm thinking about the
MDEV-350<https://mariadb.atlassian.net/browse/MDEV-350> about
self tune coeficients, the first task is find all constants that are used
in "cost" values

References

mysql 5.6, 5.7
From: Roberto Spadim, 2013-06-17
Re: mysql 5.6, 5.7
From: Igor Babaev, 2013-06-18
Re: mysql 5.6, 5.7
From: Zardosht Kasheff, 2013-06-18
Re: mysql 5.6, 5.7
From: Igor Babaev, 2013-06-18
Re: mysql 5.6, 5.7
From: Roberto Spadim, 2013-06-18