This did the trick:
update pg_attribute set attname='increment_by' where
attname like 'increment_by@%';
Not sure what the problem with this was:
update pg_attribute set attname='increment_by' where
attrelid=457191;
ERROR: Cannot insert a duplicate key into unique
index pg_attribute_relid_attnam_index
John
--- Tom Lane <tgl@sss.pgh.pa.us> wrote:
> John Smith <john_smith_45678@yahoo.com> writes:
> > This is a follow-up to my previous email. Using
> > phppgadmin to look at the sequence causing
> problems,
> > one of the columns is "increment_by@���". How can
> I
> > change it back or otherwise fix it? What happened
> > anyhow?
>
> Sounds like a data corruption problem :-(. You
> might want to try a
> "select * from pg_attribute" and see if any other
> rows look obviously
> bogus.
>
> As for fixing it, you might be able to get away with
> an ALTER TABLE
> RENAME column --- I'm not sure if the system will
> let you apply that to
> a sequence or not, but it'd be worth trying.
> Failing that, a direct
> UPDATE on the messed-up row of pg_attribute ought to
> do the trick.
>
> Or you could just drop and recreate the affected
> sequence. There's not
> all that much state in a sequence ...
>
> regards, tom lane
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