| From: | "Richard Huxton" <dev(at)archonet(dot)com> |
|---|---|
| To: | <mdavis(at)sevainc(dot)com>, "'Jeff Putsch'" <putsch(at)mxim(dot)com>, <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Re: RE: Help with UPDATE syntax |
| Date: | 2001-03-15 20:33:29 |
| Message-ID: | 012e01c0ad8f$335aef60$1001a8c0@archonet.com |
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| Lists: | pgsql-sql |
From: "Michael Davis" <mdavis(at)sevainc(dot)com>
> Try eliminating the statement " from user_group_map map". It does not
belong in the update. Here is the fully rewritten statement:
>
> update
> user_group_map
> set
> user_id = 4
> where
> user_id = 9 and
> not exists (
> select * from
> user_group_map ug2
> where
> user_id = 4 and
> ug2.group_id = map.group_id and
^^^
> ug2.role = map.role);
^^^
I take it these are actually "user_group_map"?
- Richard Huxton
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