On 17 September 2013 14:37, Jaime Casanova <ja...@2ndquadrant.com> wrote:
> On Tue, Sep 17, 2013 at 3:30 AM, Thom Brown <t...@linux.com> wrote: > > On 17 September 2013 07:20, Jaime Casanova <ja...@2ndquadrant.com> > wrote: > >> > >> On Mon, Sep 16, 2013 at 3:47 AM, Thom Brown <t...@linux.com> wrote: > >> > On 15 September 2013 01:14, Alvaro Herrera <alvhe...@2ndquadrant.com> > >> > wrote: > >> >> > >> >> Hi, > >> >> > >> >> Here's a reviewable version of what I've dubbed Minmax indexes. > >> >> > >> > Thanks for the patch, but I seem to have immediately hit a snag: > >> > > >> > pgbench=# CREATE INDEX minmaxtest ON pgbench_accounts USING minmax > >> > (aid); > >> > PANIC: invalid xlog record length 0 > >> > > >> > >> fwiw, this seems to be triggered by ANALYZE. > >> At least i can trigger it by executing ANALYZE on the table (attached > >> is a stacktrace of a backend exhibiting the failure) > >> > > > > I'm able to run ANALYSE manually without it dying: > > > > try inserting some data before the ANALYZE, that will force a > resumarization which is mentioned in the stack trace of the failure > I've tried inserting 1 row then ANALYSE and 10,000 rows then ANALYSE, and in both cases there's no error. But then trying to create the index again results in my original error. -- Thom