Re: [HACKERS] debug flag

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От Bruce Momjian
Тема Re: [HACKERS] debug flag
Дата
Msg-id 199801192155.QAA00904@candle.pha.pa.us
обсуждение исходный текст
Ответ на debug flag  (Shiby Thomas <sthomas@cise.ufl.edu>)
Список pgsql-hackers
>
> Hi,
>
> If I want to compile the PostgreSQL 6.2.1 code with the -g flag, which Makefile
> should I add it. I would like to run it thru a debugger. I am compiling it
> with gcc; so I should be able to use xgdb, right?
>
> The sort cost in the planner is assumed to be 0. So, there is an unfair bias
> towards sort-merge join in the optimizer. If I want to add a sort cost, will
> it be enough to add it in the make_sortplan() function in
> optimizer/plan/planner.c.
> Is the size of the relation to be sorted estimated at that time?
> If not what is the best way to do this?

I think this is fixed in 6.3.  Beta is Feb 1.

--
Bruce Momjian
maillist@candle.pha.pa.us

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