Re: persistent portals/cursors (between transactions) - Mailing list pgsql-general

From Hiroshi Inoue
Subject Re: persistent portals/cursors (between transactions)
Date
Msg-id 3C510D24.8E1FDF7F@tpf.co.jp
Whole thread Raw
In response to Re: persistent portals/cursors (between transactions)  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: persistent portals/cursors (between transactions)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Tom Lane wrote:
>
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> >> I forgot to mention that I'd like to implement a cross
> >> transaction insensitive(and read-only) cursors which
> >> any proper dbms seems to have the functionality.
>
> > That is a good idea, especially read-only, that will not require any
> > locks.
>
> If it's not holding any locks, I can guarantee you it's not insensitive.
> Consider VACUUM, or even DROP TABLE.

It's already possible to keep a lock accross transactions.
So it would keep an AccessShareLock across transactions.

regards,
Hiroshi Inoue

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