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Re: mysql 5.6, 5.7


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