Re: Minmax indexes

On Tue, Sep 17, 2013 at 3:30 AM, Thom Brown <thom@linux.com> wrote:
> On 17 September 2013 07:20, Jaime Casanova <jaime@2ndquadrant.com> wrote:
>>
>> On Mon, Sep 16, 2013 at 3:47 AM, Thom Brown <thom@linux.com> wrote:
>> > On 15 September 2013 01:14, Alvaro Herrera <alvherre@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