Thread: Tripping over (my own) stupidity - VARCHAR declaration minus specificity

I created a table in a hurry and forgot to specify the max capacity for a varchar() data type.
Can it be said what the max would be in a case like this (just curious)?

thanks much

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On Fri, Oct 14, 2011 at 01:51:04PM -0400, Adam Cornett wrote:
> On Fri, Oct 14, 2011 at 1:27 PM, Good, Thomas <TGood@svwsjmc.org> wrote:
> 
> > I created a table in a hurry and forgot to specify the max capacity for a
> > varchar() data type.
> > Can it be said what the max would be in a case like this (just curious)?
> >
> > thanks much
> >
> 
> According to
> http://www.postgresql.org/docs/current/static/datatype-character.html,
> "If character varying is used without length specifier, the type accepts
> strings of any size. The latter is a PostgreSQL extension."
> 
> -Adam Cornett

And according to the documentation, the maximum size of a varchar is
1GB.

Regards,
Ken

Thanks guys - yes Adam it seems to behave exactly like text, at least in my experience.
________________________________________
From: Adam Cornett [adam.cornett@gmail.com]
Sent: Friday, October 14, 2011 2:24 PM
To: ktm@rice.edu
Cc: Good, Thomas; pgsql-sql@postgresql.org
Subject: Re: [SQL] Tripping over (my own) stupidity - VARCHAR declaration minus specificity

On Fri, Oct 14, 2011 at 2:09 PM, ktm@rice.edu<mailto:ktm@rice.edu> <ktm@rice.edu<mailto:ktm@rice.edu>> wrote:
On Fri, Oct 14, 2011 at 01:51:04PM -0400, Adam Cornett wrote:
> On Fri, Oct 14, 2011 at 1:27 PM, Good, Thomas <TGood@svwsjmc.org<mailto:TGood@svwsjmc.org>> wrote:
>
> > I created a table in a hurry and forgot to specify the max capacity for a
> > varchar() data type.
> > Can it be said what the max would be in a case like this (just curious)?
> >
> > thanks much
> >
>
> According to
> http://www.postgresql.org/docs/current/static/datatype-character.html,
> "If character varying is used without length specifier, the type accepts
> strings of any size. The latter is a PostgreSQL extension."
>
> -Adam Cornett

And according to the documentation, the maximum size of a varchar is
1GB.

Regards,
Ken

Yes, 1GB is the limit for any column size.  From what I can tell a varchar without a size specified acts just like
text.

-Adam

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