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Re: On Scalability

From: Vincenzo Romano <vincenzo(dot)romano(at)notorand(dot)it>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: PostgreSQL Hackers and Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: On Scalability
Date: 2010-07-30 19:50:41
Message-ID: AANLkTimjdpEYeWk54yC1H9RxrUnETy2AAswg2_qw7-H_@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-performance
2010/7/30 Josh Berkus <josh(at)agliodbs(dot)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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