On Sat, Nov 07, 2009 at 10:48:14AM +0200, Johan Nel wrote:
> update pg_attribute set attlen = 4 + <newlength>
> where attname = 'yourcolumnname'
>
> That will take only a couple of milliseconds to do.
It will also update *every* column with that name. Something involving
the "attrelid" would be much safer. I'd use something like:
update pg_attribute set attlen = 4 + <newlength>
where attrelid = regclass 'your table name'
and attname = 'yourcolumnname';
--
Sam http://samason.me.uk/
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