From: | "Andres" <andres1981(at)gawab(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Insert behavior in transaction |
Date: | 2005-06-20 02:08:50 |
Message-ID: | 20050620020850.14725.qmail@gawab.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
But, does it have solution ??
You are right, the second insert imply a unique-key violation,
but what to do in that cases?
Thanks for your help and attention!
Tom Lane writes:
> "Andres" <andres1981(at)gawab(dot)com> writes:
>> I did this simple test and it fails too.
>
>> BEGIN (first transaction)
>> INSERT INTO mytable VALUES(1);
>
>> On other client
>> BEGIN (second transaction)
>> INSERT INTO mytable VALUES(0);
>> INSERT INTO mytable VALUES(1);
>
>> and it freezes waiting for the first o commit or rollback
>
> Not too surprising if the second insert would imply a unique-key
> violation. It has to wait to see if the first insertion of "1"
> is going to commit or not.
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
> joining column's datatypes do not match
From | Date | Subject | |
---|---|---|---|
Next Message | Milan Krcmar | 2005-06-20 02:33:43 | External (asynchronous) notifications of database updates |
Previous Message | John DeSoi | 2005-06-20 01:40:49 | Re: user/groups query ? |