Rafal Jank writes:
> hi,
> since analyze table doesn't work for Innodb tables, where does optimizer get
> statistics needed for making proper query plan from?
> For example, how does it know which index is more selective or in which order
> tables should be joined?
> --
> _/ _/ _/_/_/ ----- Rafał Jank [EMAIL PROTECTED] -----
> _/ _/ _/ _/ _/ Wirtualna Polska SA http://www.wp.pl
> _/_/_/_/ _/_/_/ ul. Uphagena 2, 80-237 Gdansk, tel/fax. (58) 5215625
> _/ _/ _/ --------==* http://szukaj.wp.pl *==----------
>
InnoDB indices provide all info required, plus they are rather well
balanced.
ANALYZE TABLE does not provide info for optimizer, it just stores key
distribution for the table.
--
Regards,
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
/ /|_/ / // /\ \/ /_/ / /__ MySQL AB, FullTime Developer
/_/ /_/\_, /___/\___\_\___/ Larnaca, Cyprus
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