On Wed, Sep 23, 2015 at 11:26 AM, Alvaro Herrera
wrote:
> Jeff Dik wrote:
>
> > Is there any way to inspect a multixact via psql to see what transaction
> ID
> > values it has? I wasn't able to find anything while searching for an
> hour
> &
On Tue, Sep 22, 2015 at 10:44 PM, Alvaro Herrera
wrote:
> Jeff Dik wrote:
>
> > I'd really love to learn:
> >
> > 1. Why the xmax for foo_id1 goes from 696 to 1 and what does that
> >mean?
>
> When two transactions want to lock the same row, the xmax
Hi,
I've been trying to understand this curious case of a shrinking xmax.
Suppose we have two tables: foo and bar.
CREATE TABLE foo (
foo_id text PRIMARY KEY NOT NULL
);
CREATE TABLE bar (
bar_id text NOT NULL,
foo_id text NOT NULL REFERENCES foo (foo_id) ON DELETE CASCADE
);
... a
