Re: the number of pending entries in GIN index with FASTUPDATE=on

On Wed, Nov 7, 2012 at 4:34 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Tue, Nov 6, 2012 at 1:01 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>>> On Fri, Nov 2, 2012 at 12:48 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>>>> Is there the way to know the number of pending entries in GIN index which
>>>> was created with FASTUPDATE = on? If not, is it worth implementing the
>>>> function returning that number?
>>
>>> Seems useful to me.
>>
>> Seems like the appropriate place to expose this would be in a
>> GIN-specific variant of contrib/pgstattuple's pgstatindex().
>
> Yeah, that seems good to me, too. Or something in pgstatindex, anyway.

Agreed. Attached patch introduces the pgstatginindex() which now reports
GIN version number, number of pages in the pending list and number of
tuples in the pending list, as information about a GIN index.

Regards,

--
Fujii Masao