| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "YaYo" <yayooo(at)gmail(dot)com> |
| Cc: | <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: BUG #3455: order of rows should not significant |
| Date: | 2007-07-17 12:00:22 |
| Message-ID: | 87r6n7s0ix.fsf@oxford.xeocode.com |
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| Lists: | pgsql-bugs |
"YaYo" <yayooo(at)gmail(dot)com> writes:
> test=# select * from t9;
> var
> -----
> 3
> 5
> (2 rows)
>
> test=# update t9 set var=var+2;
> ERROR: duplicate key violates unique constraint "t9_var_key" /*we get the
> same conclusion*/
Sorry, Postgres does not support deferred unique constraints which is what you
would need to get this to work. This is a TODO item but nobody has indicated
they wish to (or know how to) do it yet.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
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