| From: | Guillaume Smet <guillaume(dot)smet(at)gmail(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, xuan--2009(dot)03--submitbug--support--postgresql(dot)org(at)baldauf(dot)org, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: BUG #4689: Expanding the length of a VARCHAR column should not induce a table rewrite |
| Date: | 2009-03-04 10:57:17 |
| Message-ID: | 1d4e0c10903040257n70e5dfe6wd436caae3bc4ec8e@mail.gmail.com |
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| Lists: | pgsql-bugs pgsql-hackers |
On Wed, Mar 4, 2009 at 11:50 AM, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
> The question is how you want to implement this in a data type independent
> fashion. You can't assume that increasing the typmod is a noop for all data
> types.
Sure. See my previous answer on -hackers (I don't think this
discussion belong to -bugs) and especially the discussion in the
archives about Jonas' patch.
--
Guillaume
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