Tuesday, July 8, 2008

[SQL] Re: Best practice for long-lived journal tables: bigint or recycling IDs?

On Tue, 8 Jul 2008 17:20:13 -0400
Alvaro Herrera <alvherre@commandprompt.com> wrote:

> Mark Stosberg wrote:
> >
> > Hello,
> >
> > I have some tables that continually collect statistics, and then over time are
> > pruned as the stats are aggregated into more useful formats.
> >
> > For some of these tables, it it is fore-seeable that the associated sequences
> > would be incremented past the max value of the "int" type in the normal course
> > of things.
> >
> > I see two options to prepare for that:
>
> 3. Deal with wraparound by ensuring that the applications behave sanely

Wrap-around?

Exceeding the max size of "int" looks more like a brick wall than wrap-around to me:

insert into t values (2147483648);
ERROR: integer out of range

Mark

--
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Mark Stosberg Principal Developer
mark@summersault.com Summersault, LLC
765-939-9301 ext 202 database driven websites
. . . . . http://www.summersault.com/ . . . . . . . .

--
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Mark Stosberg Principal Developer
mark@summersault.com Summersault, LLC
765-939-9301 ext 202 database driven websites
. . . . . http://www.summersault.com/ . . . . . . . .

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