Ah, this makes perfect sense - I figured that I needed to define the
geometry type, just wasn't quite figuring out how. Nice and simple solution!
Thanks so much,
Mike

On Tue, Mar 28, 2017 at 1:40 AM, Bernhard Ströbl <bernhard.stro...@jena.de>
wrote:

> Hi,
> you need to explicitly state the geometry type and SRS in you view
> definition like this:
> CREATE OR REPLACE VIEW test.testbuff as
> SELECT gid, area_id,
> st_buffer(testshape.geom, 100)::geometry(Polygon,your_srs_code)
> as geom2 FROM test.testshape where testshape.area_id=100;
>
> could be Polygon or Multipolygon depending on the input, your_srs_code
> should be the same as testshape's
>
> QGIS can analyze geometry columns and detect the type (and probably SRS),
> however only relations with geometry fields defined in this way are listed
> in geometry_columns.
>
> Bernhard
>
>
> Am 27.03.2017 um 23:42 schrieb Michael Treglia:
>
>> Hi All,
>>
>> I'm running a PostGIS query to create a view, buffering a polygon -
>> viewing the result in DB Manager, the associated icon, rather than being
>> polygons, is a question mark, and in the info tab for the layer, I see
>> the warning ' There is no entry in geometry_columns!'
>>
>> That said, the layer actually displays fine in QGIS, and in the list of
>> fields, the appropriate column is labeled as Type 'geometry'.
>>
>> Thus, is this really a problem? And if so, any easy fixes? A sample
>> query is below:
>>
>> CREATE OR REPLACE VIEW test.testbuff as
>> SELECT gid, area_id, st_buffer(testshape.geom, 100)
>> as geom2 FROM test.testshape where testshape.area_id=100;
>>
>>
>> Thanks for any suggestions!
>> Mike
>>
>>
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