| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com> |
| Cc: | "PostgreSQL Development" <pgsql-hackers(at)postgresql(dot)org>, "Rod Taylor" <pg(at)rbt(dot)ca>, "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Subject: | Re: alter table alter columns vs. domains |
| Date: | 2004-05-06 19:02:06 |
| Message-ID: | 2575.1083870126@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com> writes:
> Tom Lane wrote:
>> If we were willing to abuse the ALTER TABLE syntax some more, it would
>> be possible to support changing the datatypes of f1 and f2
>> simultaneously, thereby allowing the above to work.
> Just a clarification: isn't ALTER DOMAIN the best place to do this?
It's one way to do it, but not necessarily the only way.
A person who's needing to change their column datatypes has likely not
had the foresight to use domains either, so I don't feel entirely secure
saying that ALTER DOMAIN would solve all problems in this line.
regards, tom lane
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