From: | David Fetter <david(at)fetter(dot)org> |
---|---|
To: | Robson Fidalgo <rdnf(at)cin(dot)ufpe(dot)br> |
Cc: | pgsql-docs(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org |
Subject: | Re: [GENERAL] Postgresql 8.3X supports Arrays of Composite Types? |
Date: | 2009-04-19 23:56:19 |
Message-ID: | 20090419235619.GB10700@fetter.org |
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Thread: | |
Lists: | pgsql-docs pgsql-general |
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 <david(at)fetter(dot)org> http://fetter.org/
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