Re: Index optimization ? - Mailing list pgsql-general

From Alvaro Herrera
Subject Re: Index optimization ?
Date
Msg-id 20050115213411.GB26259@dcc.uchile.cl
Whole thread Raw
In response to Re: Index optimization ?  ("Jim C. Nasby" <decibel@decibel.org>)
Responses Re: Index optimization ?  ("Jim C. Nasby" <decibel@decibel.org>)
List pgsql-general
On Sat, Jan 15, 2005 at 03:11:22PM -0600, Jim C. Nasby wrote:

> Would it make sense to have a version of currval that will only return
> one value in a statement/transaction? So the first time it's called it
> remembers what currval for that sequence is and always returns the same
> value?

What would nextval() do in that case?  Return the nextval on the first
call, and act like currval() from then until the end of the transaction?

--
Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
"Porque francamente, si para saber manejarse a uno mismo hubiera que
rendir examen... �Qui�n es el machito que tendr�a carnet?"  (Mafalda)

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