From: | Carlos Mennens <carlos(dot)mennens(at)gmail(dot)com> |
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To: | PostgreSQL <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Remove Modifiers on Table |
Date: | 2011-05-17 18:07:25 |
Message-ID: | BANLkTimB+NE4icu6PBD=4tJEc=rZRu2t5w@mail.gmail.com |
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On Tue, May 17, 2011 at 12:57 PM, Carlos Mennens
<carlos(dot)mennens(at)gmail(dot)com> wrote:
> On Tue, May 17, 2011 at 12:38 PM, Raymond O'Donnell <rod(at)iol(dot)ie> wrote:
>> Yes, that's exactly right - SERIAL does it all for you. The mistake some
>> people make, on the other hand, is thinking that SERIAL is a type in its own
>> right - it's not, it just does all those steps automatically.
So if I have an existing column in my table with a INT data type, I
can't seem to understand how to convert this on my 8.4 production
server:
ALTER TABLE users ALTER COLUMN id TYPE SERIAL;
ERROR: type "serial" does not exist
I verified from the docs that 8.4 does support SERIAL but how I
convert this data type, I can't seem to figure out. Below is my table
definition:
orlando=# \d users
Table "public.users"
Column | Type | Modifiers
--------+-----------------------+-----------
id | integer | not null
fname | character varying(40) | not null
lname | character varying(40) | not null
email | character varying(40) | not null
office | character varying(5) | not null
dob | date | not null
title | character varying(40) | not null
Indexes:
"users_pkey" PRIMARY KEY, btree (id)
"users_email_key" UNIQUE, btree (email)
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