maria-developers team mailing list archive

[Oleksandr Byelkin <sanja@xxxxxxxxxxxxxxxx>]

08.08.2013 09:11, Roberto Spadim пишет:
> ops...
> i forgot one more question that i don't know how today it is executed...
> the "explain extended" create the "normalized query" after parse/optimize
> but don't execute the query, i'm thinking right or i miss something?

Yes it could execute only constant expression if they are relatively cheap.


But again there is no a lot of cases which makes the schema "profitable" 
(actually I hardly believe that there is at least one real world 
installation which require it (if you get optimization involved 
especially)).