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Re: [HACKERS] [GENERAL] Bug with sequence

Rod Taylor <rbt@rbt.ca>

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From: Rod Taylor <rbt@rbt.ca>
To: "scott.marlowe" <scott.marlowe@ihs.com>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>, "Thomas O'Connell" <tfo@monsterlabs.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>, pgsql-sql@postgresql.org
Date: 2002-11-21T20:23:50Z
Lists: pgsql-hackers, pgsql-general 
On Thu, 2002-11-21 at 15:09, scott.marlowe wrote:
> On 21 Nov 2002, Rod Taylor wrote:
> 
> > On Thu, 2002-11-21 at 14:11, Bruce Momjian wrote:
> > > Of course, those would be SQL purists who _don't_ understand
> > > concurrency issues.  ;-)
> > 
> > Or they're the kind that locks the entire table for any given insert.
> 
> Isn't that what Bruce just said?  ;^)

I suppose so.  I took what Bruce said to be that multiple users could
get the same ID.

I keep having developers want to make their own table for a sequence,
then use id = id + 1 -- so they hold a lock on it for the duration of
the transaction.

-- 
Rod Taylor <rbt@rbt.ca>