Re: [HACKERS] common area
От | Michael Meskes |
---|---|
Тема | Re: [HACKERS] common area |
Дата | |
Msg-id | 199802271554.QAA21747@gauss.topsystem.de обсуждение исходный текст |
Ответ на | Re: [HACKERS] common area (Michael Meskes <meskes@topsystem.de>) |
Список | pgsql-hackers |
Michael Meskes writes: > Bruce Momjian writes: > > This seems strange. Is a vacuum being done so the optimizer knows how > > large each table is? > > No. The problem is how to send a vacuum from ecpg. I do not know enough > about libpq to know the command. And just sending it via PQexec doesn't > work. Oops, it seems that one is a bug in ecpg. I found a way to execute it but that doesn't change much: I needed 9 seconds and 903642 microseconds for the insert test. I needed 26 seconds and 882004 microseconds for the selection&projection test. I needed 75 seconds and 983778 microseconds for the join test. I needed 0 seconds and 550797 microseconds for the update test. Michael -- Dr. Michael Meskes, Project-Manager | topsystem Systemhaus GmbH meskes@topsystem.de | Europark A2, Adenauerstr. 20 meskes@debian.org | 52146 Wuerselen Go SF49ers! Go Rhein Fire! | Tel: (+49) 2405/4670-44 Use Debian GNU/Linux! | Fax: (+49) 2405/4670-10
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