Re: understanding handler::read_time and handler::scan_time

[Sergei Golubchik]

Hi, Zardosht!

On Oct 07, Zardosht Kasheff wrote:
> Another question,
> 
> are we guaranteed that the return value of scan_time will not cause
> the optimizer to use a full table scan over a covering index over a
> portion of the table?

Looks like it depends on what you return in handler::index_only_read_time().
 
Regards / Mit vielen Grüßen,
Sergei

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