Re: Nested composite types again - Mailing list pgsql-novice

From Christian Hammers
Subject Re: Nested composite types again
Date
Msg-id 20121128185942.1e4bf885@sys-251.netcologne.de
Whole thread Raw
In response to Re: Nested composite types again  (Michael Kolomeitsev <mkolomeitsev@gmail.com>)
List pgsql-novice
Hello

Try http://www.postgresql.org/support/submitbug/

bye,

-christian-


On Wed, 28 Nov 2012 23:51:52 +0700
Michael Kolomeitsev <mkolomeitsev@gmail.com> wrote:

> Ok.
> How do you think should I report this as a bug?
> On Nov 28, 2012 10:37 PM, "Vibhor Kumar" <vibhor.kumar@enterprisedb.com>
> wrote:
>
> >
> > On Nov 28, 2012, at 5:02 AM, Michael Kolomeitsev <mkolomeitsev@gmail.com>
> > wrote:
> >
> > > Hi,
> > >
> > > I have already read this
> > > http://www.postgresql.org/docs/9.2/static/rowtypes.html#AEN7304
> > > but it didn't help.
> > >
> > > CREATE TABLE nodes (
> > >  id SERIAL NOT NULL PRIMARY KEY,
> > >  name TEXT NOT NULL
> > > );
> > >
> > > CREATE TYPE pathId AS (
> > >  id INTEGER,
> > >  node nodes
> > > );
> > >
> > > CREATE OR REPLACE FUNCTION test_AEN7304() RETURNS void AS $$
> > > DECLARE
> > >  r pathId;
> > >  n nodes;
> > > BEGIN
> > >  n.name := 'abc';
> > >  r.id := 1;
> > >  r.node := n; -- All is ok
> > > --  r.node.name := 'def'; -- << Error here
> > > --  (r).node.name := 'def'; -- << and here
> > >  ((r).node).name := 'def'; -- << and here
> > > END;
> > > $$ LANGUAGE 'plpgsql';
> > >
> > > And I can't even make 'n' as ALIAS FOR r.node (to simulate C-like
> > pointer).
> > >
> > > What is the right syntax?
> > > Thanks
> >
> > I have verified that plpgsql doesn't allow assignment like r.node.name='def'
> > or (r).node.name or ((r).node).name
> >
> > In Above case, you can use some variable like n and update the n composite
> > variable and assigned it to r.node as you have already done in plpgsql.
> >
> > Thanks & Regards,
> > Vibhor Kumar
> > EnterpriseDB Corporation
> > The Enterprise PostgreSQL Company
> > Blog:http://vibhork.blogspot.com
> >
> >


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