[postgis-users] Signal 11: Segmentation fault

[Rebecca Clarke]

The data was originally in a MDB as an OLE Object. I used GDAL to import
the data. (If this is of any use).


On Wed, Jul 25, 2012 at 2:59 PM, Rebecca Clarke <r.clarke83 at gmail.com>wrote:

> There is no index on the table.
>
> postgis_full_version
>
> -------------------------------------------------------------------------------------------------------
>  POSTGIS="1.5.5" GEOS="3.2.0-CAPI-1.6.0" PROJ="Rel. 4.7.1, 23 September
> 2009" LIBXML="2.7.8" USE_STATS
>
> version
>
> -------------------------------------------------------------------------------------------------------
>  PostgreSQL 9.1.4 on x86_64-unknown-linux-gnu, compiled by gcc-4.4.real
> (Debian 4.4.5-8) 4.4.5, 64-bit
>
>
> Until this Monday, I was using Postgresql 8.4 and postgis  1.5.1
>
>
> On Wed, Jul 25, 2012 at 2:54 PM, Sandro Santilli <strk at keybit.net> wrote:
>
>> On Wed, Jul 25, 2012 at 02:27:14PM +0100, Rebecca Clarke wrote:
>> > Your code below works for me also. It's obviously just my data.
>> >
>> > the field is data type bytea:
>> >
>> > \x010300000000000000
>>
>> Looks like HEXWKB to me, for "POLYGON EMPTY".
>> What makes you think it is "bytea" ?
>>
>> > I ran:
>> >
>> > select st_astext(the_geom) from tbl where id = 6052
>> >
>> > and it returns:  "POLYGON EMPTY"
>> >
>> > When I run the st_isvalid on it:
>> >
>> > select st_isvalid(the_geom) from tbl where id = 6052
>> > or
>> > select st_isvalid(the_geom::geometry) from tbl where id = 6052
>> >
>> > It throws the segmentation error.
>> >
>> > I just upgrade to postgis 1.5.5 and this made no difference.
>>
>> Can you show the output of "SELECT postgis_full_version()"
>> _and_ the output of "SELECT version()" ?
>> Is there an index on "tbl" ?
>>
>> --strk;
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>>
>
>
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