Re: How do I select the last Id in a column???

to get the last record inserted just
select * from row order by autoincId desc limit 1;

if you have several clients doing this you might want to put your insert and
the select inside a transaction.

----- Original Message -----
From: "Michael Kovalcik" <makd32@yahoo.com>
To: <pgsql-admin@postgresql.org>
Sent: Monday, June 23, 2003 11:47 AM
Subject: [ADMIN] How do I select the last Id in a column???


> Hello,
>
> I'm trying to find out how I select the last id in a
> column if I don't know anything else about the row.
> What i am doing is inserting information into my
> Orders table and the id is auto-incrementing.  The
> next thing i want to be able to do is grab the the id
> of the order i just inserted.  How do i do this?
>
> Here is the code i have so far:
>
> my $sql = "INSERT INTO ${Orders}
> (locationid,shippingid,statusid,date) VALUES (?
> ,?,?,?)";
>
> my $sth = $dbh->prepare($sql);
>
> $sth->execute(${LocationID},${ShippingID},${StatusID},${date});
> #--*************************************
> my $sth = $dbh->prepare("SELECT id FROM ${Orders}");
>
> $sth->execute();
> $OrderID = $sth->fetchrow_arrayref;
>
> I know the select statement that i have will not work,
> because it will bring me every id number in the table.
>  I just want the latest one.....
>
> Please HELP............
>
> Thank you so much,
> Mike
>
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