Re: Updateable cursors patch - Mailing list pgsql-patches

From Jaime Casanova
Subject Re: Updateable cursors patch
Date
Msg-id c2d9e70e0705172128x34cb7ca1v8a410be8ec16fcb1@mail.gmail.com
Whole thread Raw
In response to Re: Updateable cursors patch  ("Jaime Casanova" <systemguards@gmail.com>)
List pgsql-patches
On 5/17/07, Jaime Casanova <systemguards@gmail.com> wrote:
> On 5/17/07, FAST PostgreSQL <fastpgs@fast.fujitsu.com.au> wrote:
> > No. It works with scrollable cursors. It will work for cursors/selects
> > which does not put the results in some store, such as WITH hold/group
> > by/order by etc.... But most of these restrictions apply for normal
> > 'Select for update' anyway. (With the order by clause, the
> > implementation is as per the sql standards.)
> >
>
> your patch doesn't work with updatable views because they don't have
> ctid columns....
>
> ERROR:  column "ctid" does not exist
> STATEMENT:  update vfoo set des_cta = des_cta || ' - prueba' where
> current of foo;
> ERROR:  current transaction is aborted, commands ignored until end of
> transaction block
>
> is this sane behavior? to accept create cursors for update on views
> and then failing to update "where current of" and rollback the entire
> transaction?
>
> comments?
>

sorry, reattaching the test script

--
regards,
Jaime Casanova

"Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs and the universe trying
to produce bigger and better idiots.
So far, the universe is winning."
                                       Richard Cook

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