Re: On Scalability - Mailing list pgsql-hackers

From Vincenzo Romano
Subject Re: On Scalability
Date
Msg-id AANLkTimjdpEYeWk54yC1H9RxrUnETy2AAswg2_qw7-H_@mail.gmail.com
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In response to Re: On Scalability  (Josh Berkus <josh@agliodbs.com>)
Responses Re: On Scalability
List pgsql-hackers
2010/7/30 Josh Berkus <josh@agliodbs.com>:
>
>> Is there anyone who knows whether those algorithms are linear or not?
>
> Read the code?  It's really very accessible, and there's lots and lots
> of comments.  While the person who wrote the code is around, isn't it
> better to see the real implementation?

If the programmer(s) who wrote that part is around, a simple hint would suffice.
Even an hint to where look into the code would be very appreciated: the query
planner is not as simple as the "ls" command (which is not that simple any
more, though).

It looks like I need to go the hard way ...
Starting from postgresql-8.4.4/src/backend/optimizer

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