Re: [GENERAL] optimizer's cost formulas

2013-04-10 Thread Daniel Bausch
did, the most prominent being that it depends on a modified version of dbt3. The changes to dbt3 in turn are even harder to share, because the master of dbt3 got heavily modified in the meantime, making a rebase hard. If you are still interested, please contact me off list. Regards, Dani

Re: [GENERAL] optimizer's cost formulas

2013-04-07 Thread Daniel Bausch
OKEN=77712718 Have a look at the appendix. Regards, Daniel Bausch Am 06.04.2013 12:51, schrieb dafNi: > Hello everybody! > > I'm trying to understand the the query planner's cost estimator. > I was not able to find anywhere the formulas that estimate the cost > of each oper

Re: [GENERAL] hi,for help!

2010-05-28 Thread Daniel Bausch
You need to "initdb" first. Am Freitag, 28. Mai 2010 15:41:38 schrieb zhenyang guo: > hi, i have a problem not knowing how to fix . the follwing are error > information: > > " > g...@guo-desktop:~$ su > Password: > r...@guo-desktop:/home/guo# su - postgres > postg...@guo-desktop:~$ psql > psql:

[GENERAL] Searching for paper about pg's optimizer cost model

2010-05-28 Thread Daniel Bausch
ith a rationale, but anything else would help, too. Regards, Daniel Bausch TU-Darmstadt (Germany) -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general