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<P><FONT SIZE=2>Tried from psql to rule that out as an issue and works fine for me still.<BR>
<BR>
So I guess its more than 8.3.5 at play here.<BR>
<BR>
<BR>
-----Original Message-----<BR>
From: postgis-devel-bounces@postgis.refractions.net on behalf of Paul Ramsey<BR>
Sent: Fri 12/5/2008 12:17 PM<BR>
To: PostGIS Development Discussion<BR>
Subject: Re: [postgis-devel] CLUSTER in 8.3<BR>
<BR>
Well, psql is autocommitting, and if I do the cluster, then disconnect<BR>
and reconnect, the count is still zero. I think I just need to get<BR>
the older point releases and walk back and see if it goes away.<BR>
<BR>
P.<BR>
<BR>
On Thu, Dec 4, 2008 at 10:43 PM, Obe, Regina <robe.dnd@cityofboston.gov> wrote:<BR>
> On further inspection. If I do this:<BR>
><BR>
> drop table ttt;<BR>
> create table ttt as select * from all_counties;<BR>
> create index ttt_gix on ttt using gist(the_geom);<BR>
> cluster ttt using ttt_gix;<BR>
><BR>
><BR>
> --Then do this after the above is done<BR>
> select count(*) from ttt;<BR>
><BR>
> count is 3141<BR>
><BR>
> So I think the fact you are doing a count in the same transaction may be<BR>
> clobbering it.<BR>
><BR>
><BR>
> -----Original Message-----<BR>
> From: postgis-devel-bounces@postgis.refractions.net on behalf of Obe, Regina<BR>
> Sent: Fri 12/5/2008 1:36 AM<BR>
> To: PostGIS Development Discussion<BR>
> Subject: RE: [postgis-devel] CLUSTER in 8.3<BR>
><BR>
> Paul,<BR>
><BR>
> Hold on a minute. I was counting the wrong table. Yap I get the same<BR>
> behavior, so I guess you are not crazy.<BR>
><BR>
> drop table ttt;<BR>
> create table ttt as select * from all_counties;<BR>
> create index ttt_gix on ttt using gist(the_geom);<BR>
> cluster ttt using ttt_gix;<BR>
> select count(*) from ttt;<BR>
><BR>
> --count is 0<BR>
><BR>
><BR>
><BR>
><BR>
> -----Original Message-----<BR>
> From: postgis-devel-bounces@postgis.refractions.net on behalf of Paul Ramsey<BR>
> Sent: Fri 12/5/2008 12:42 AM<BR>
> To: PostGIS Development Discussion<BR>
> Subject: Re: [postgis-devel] CLUSTER in 8.3<BR>
><BR>
> And everything works hunky dory with postgis 1.4.0 and pgsql 8.2.11...<BR>
><BR>
> On Thu, Dec 4, 2008 at 9:36 PM, Paul Ramsey <pramsey@cleverelephant.ca><BR>
> wrote:<BR>
>> I just confirmed this happening under PostGIS 1.3.4 also...<BR>
>><BR>
>> P<BR>
>><BR>
>> On Thu, Dec 4, 2008 at 9:35 PM, Paul Ramsey <pramsey@cleverelephant.ca><BR>
>> wrote:<BR>
>>> You clustered ttt then you counted all_counties...<BR>
>>><BR>
>>> P<BR>
>>><BR>
>>> On Thu, Dec 4, 2008 at 8:44 PM, Obe, Regina <robe.dnd@cityofboston.gov><BR>
>>> wrote:<BR>
>>>> I tried your test on my all_counties table and it worked fine. But I<BR>
>>>> was<BR>
>>>> doing it from pgadmin III. and I have left out that clusture thing you<BR>
>>>> were doing. What does that do? :)<BR>
>>>><BR>
>>>> create table ttt as select * from all_counties;<BR>
>>>> create index ttt_gix on ttt using gist(the_geom);<BR>
>>>> cluster ttt using ttt_gix;<BR>
>>>> select count(*) from all_counties;<BR>
>>>><BR>
>>>> -- gives me 3141 records --<BR>
>>>><BR>
>>>> I guess we must have similar county tables since we have the same record<BR>
>>>> count.<BR>
>>>><BR>
>>>> My projection is in 3395.<BR>
>>>><BR>
>>>> running<BR>
>>>> "PostgreSQL 8.3.5 on i686-redhat-linux-gnu, compiled by GCC gcc (GCC)<BR>
>>>> 4.1.2<BR>
>>>> 20071124 (Red Hat 4.1.2-42)"<BR>
>>>> "POSTGIS="1.3.4" GEOS="3.0.3-CAPI-1.4.2" PROJ="Rel. 4.5.0, 22 Oct 2006"<BR>
>>>> USE_STATS"<BR>
>>>><BR>
>>>> Hope that helps,<BR>
>>>> Regina<BR>
>>>><BR>
>>>> -----Original Message-----<BR>
>>>> From: postgis-devel-bounces@postgis.refractions.net on behalf of Paul<BR>
>>>> Ramsey<BR>
>>>> Sent: Thu 12/4/2008 3:37 PM<BR>
>>>> To: PostGIS Development Discussion<BR>
>>>> Subject: Re: [postgis-devel] CLUSTER in 8.3<BR>
>>>><BR>
>>>> Maybe I'm doing something wrong... here's a log of how I exercised this:<BR>
>>>><BR>
>>>> pramsey=# create table ttt as select * from counties;<BR>
>>>> SELECT<BR>
>>>> pramsey=# create index ttt_gix on ttt using gist(the_geom);<BR>
>>>> CREATE INDEX<BR>
>>>> pramsey=# clusture<BR>
>>>> pramsey=# select count(*) from ttt;<BR>
>>>> count<BR>
>>>> -------<BR>
>>>> 3141<BR>
>>>> (1 row)<BR>
>>>><BR>
>>>> pramsey=# cluster ttt using ttt_gix;<BR>
>>>> CLUSTER<BR>
>>>> pramsey=# select count(*) from ttt;<BR>
>>>> count<BR>
>>>> -------<BR>
>>>> 0<BR>
>>>> (1 row)<BR>
>>>><BR>
>>>> pramsey=# select version();<BR>
>>>> version<BR>
>>>><BR>
>>>> ------------------------------------------------------------------------------------------------------------------------------<BR>
>>>> PostgreSQL 8.3.5 on i386-apple-darwin9.5.0, compiled by GCC<BR>
>>>> i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5465)<BR>
<BR>
>>>> (1 row)<BR>
>>>><BR>
>>>> pramsey=# select postgis_full_version();<BR>
>>>> postgis_full_version<BR>
>>>><BR>
>>>> -------------------------------------------------------------------------------------<BR>
>>>> POSTGIS="1.3.4SVN" GEOS="3.1.0-CAPI-1.5.0" PROJ="Rel. 4.6.0, 21 Dec<BR>
>>>> 2007" USE_STATS<BR>
>>>> (1 row)<BR>
>>>><BR>
>>>> pramsey=#<BR>
>>>><BR>
>>>><BR>
>>>> On Wed, Dec 3, 2008 at 8:43 AM, Kevin Neufeld <kneufeld@refractions.net><BR>
>>>> wrote:<BR>
>>>>> Is seems fine (for Points anyway) on my 8.3.3 install running on an old<BR>
>>>>> FC3<BR>
>>>>> box.<BR>
>>>>><BR>
>>>>> Did you run out of disk space? Did the transaction get half way<BR>
>>>>> through<BR>
>>>>> and<BR>
>>>>> was forced to stop?<BR>
>>>>><BR>
>>>>> -- Kevin<BR>
>>>>><BR>
>>>>> Paul Ramsey wrote:<BR>
>>>>>><BR>
>>>>>> Is it just me, or has clustering on spatial indexes stopped working in<BR>
>>>>>> 8.3? First, the syntax of CLUSTER has been changed, from "CLUSTER<BR>
>>>>>> [index] ON [table]" to "CLUSTER [table] USING [index]". Second, when I<BR>
>>>>>> run the new syntax using a gist index as the target, the index<BR>
>>>>>> disappears and all row count drops to zero!<BR>
>>>>>><BR>
>>>>>> P.<BR>
>>>>>> _______________________________________________<BR>
>>>>>> postgis-devel mailing list<BR>
>>>>>> postgis-devel@postgis.refractions.net<BR>
>>>>>> <A HREF="http://postgis.refractions.net/mailman/listinfo/postgis-devel">http://postgis.refractions.net/mailman/listinfo/postgis-devel</A><BR>
>>>>><BR>
>>>>> _______________________________________________<BR>
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>>>><BR>
>>>><BR>
>>>><BR>
>>>><BR>
>>>><BR>
>>>><BR>
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