Re: ALTER TYPE COLLATABLE?

From: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: ALTER TYPE COLLATABLE?
Date: 2011-02-17 23:10:19
Message-ID: A89F2BF2-E351-4F84-BA5C-34E8B97D172B@kineticode.com
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On Feb 17, 2011, at 2:50 PM, Tom Lane wrote:

> I observe the following discrepancy between the 9.0 and 9.1 citext
> install scripts:
>
> ***************
> *** 52,58 ****
> STORAGE = extended,
> -- make it a non-preferred member of string type category
> CATEGORY = 'S',
> ! PREFERRED = false
> );
>
> --
> --- 49,56 ----
> STORAGE = extended,
> -- make it a non-preferred member of string type category
> CATEGORY = 'S',
> ! PREFERRED = false,
> ! COLLATABLE = true
> );

Oh, interesting. Would be nice if the docs has a link to the COLLATE clause docs.

http://developer.postgresql.org/pgdocs/postgres/sql-createtype.html

So I can see how to use it. :-)

David

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