Re: [HACKERS] ecpg stuff - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] ecpg stuff
Date
Msg-id 199802181508.KAA15640@candle.pha.pa.us
Whole thread Raw
In response to Re: [HACKERS] ecpg stuff  ("Vadim B. Mikheev" <vadim@sable.krasnoyarsk.su>)
List pgsql-hackers
>
> Meskes, Michael wrote:
> >
> > Or we should change the declare/open behaviour in that it ignores the
> > embedded SQL declare command and just sends the declare command when it
> > finds an open. But then standard may say that the actual way is correct.
>
> It seems that OPEN is in standard and this is really bad that we havn't
> OPEN statement: using DECLARE we could plan query once and then
> re-use this plan many times - OPEN, FETCH-es, CLOSE; OPEN, ...
> Also, we could use queries with parameters (like in SQL-funcs: $1, ...)
> in DECLARE and then assign parameter' values in OPEN and execute
> cursor for different values.
> Isn't this what Oracle allow ?

Yes, I agree we should have it, and allow cursors outside transactions
with OPEN/CLOSE behavior.

Added to TODO.

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

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