public inbox for [email protected]  

help / color / mirror / Atom feed

From: Robson Fidalgo <[email protected]>
To: David Fetter <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: [DOCS] Postgresql 8.3X supports Arrays of Composite Types?
Date: Mon, 20 Apr 2009 08:13:15 -0300
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

Hi David,



Thanks for your help, but I want a relational-object solution. The solution
presented by Tom Lane (Thanks Tom!!!!) runs very well and it is a
relational-object implementation (I suggest put a similar example in
postgresql 8.3X documentation).



Cheers,

Robson.

On Sun, Apr 19, 2009 at 8:56 PM, David Fetter <[email protected]> wrote:

> On Sun, Apr 19, 2009 at 06:03:26PM -0300, Robson Fidalgo wrote:
> > Hello,
> > I am using postgresql 8.3X and I created a table (see example below)
> > that has an attribute that is an Array of a Composite Type (ROW).
> > However, I do not know how can I insert a record in this table.
>
> You want a normalized table anyhow.  If you want something
> denormalized, use a view.
>
> > Example:
> >
> > CREATE table phone (
> >   cod varchar,
> >   num varchar);
> >
> > CREATE TABLE person (
> >   name varchar,
> >   telephone phone[]);
>
> This is better as:
>
> CREATE TABLE phone (
>    cod VARCHAR,
>    num VARCHAR,
>    PRIMARY KEY(cod, num)
> );
>
> CREATE TABLE person (
>    name varchar,
>    PRIMARY KEY(name)
> )
>
> CREATE TABLE person_phone (
>    name VARCHAR NOT NULL REFERENCES person(name),
>    cod VARCHAR,
>    num VARCHAR,
>    FOREIGN KEY(cod, num) REFERENCES phone(cod, num),
>    PRIMARY KEY(name, cod, num)
> );
>
> Cheers,
> David.
> --
> David Fetter <[email protected]> http://fetter.org/
> Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
> Skype: davidfetter      XMPP: [email protected]
>
> Remember to vote!
> Consider donating to Postgres: http://www.postgresql.org/about/donate
>
> --
>  Sent via pgsql-docs mailing list ([email protected])
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-docs
>

view thread (8+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: [DOCS] Postgresql 8.3X supports Arrays of Composite Types?
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox