On Tue, Jul 6, 2010 at 3:43 PM, Andy Colson <andy@squeakycode.net> wrote:
> I have gis data in layers, and a pin might appear in either layer, or both
> (parcelPoly, parcelPoint), or neither (and I dont care which I find)... so I
> have this view:
>
>
> create view howardia.getPoint(shapeid, x, y, acres, pin, extent) as
> SELECT gid,
> st_x(st_centroid(the_geom)) AS x,
> st_y(st_centroid(the_geom)) AS y,
> acreage,
> county_pin,
> st_box2d(st_expand(the_geom, 100))
> FROM howardia.parcelPoly
> UNION ALL
> SELECT gid,
> st_x(the_geom) AS x,
> st_y(the_geom) AS y,
> acreage,
> county_pin,
> st_box2d(st_expand(the_geom, 100))
> FROM howardia.parcelPoint;
>
> Which works fine for what I'm using.. it returns one or two records, and my
> code just takes the first record and runs with it.
>
> but now... I'm adding something new, and having it return multiple records
> per pin is causing problems. I tried adding a limit inside the view but
> then it never returns anything:
??? why not -- can you double check that?
create view l as select * from (select 'a' union all select 'b') q limit 1;
select * from l;
?column?
----------
a
(1 row)
merlin
