[postgis-users] Longitude and latitude ranges

Jaime Casanova jaime at 2ndquadrant.com
Thu Aug 25 10:35:37 PDT 2011


On Mon, Aug 22, 2011 at 6:22 PM, Jaime Casanova <jaime at 2ndquadrant.com> wrote:
> Hi,
>
> after some tries, i haven't managed to make this query use the GiST
> index that was created on columns transmitter_mv.punto nor
> rowlatlong.punto and it finishes using a seq scan on table
> transmitter_mv for every row in rowfreqlevel that satisfies the join
> and where conditions.
>
> Stephen Woodbridge, made me notice in
> http://postgis.refractions.net/pipermail/postgis-users/2011-August/030575.html
> that in the plan the POINT is being casted to geography so i decided
> to bite the bullet and use geography columns intead but when i tried
> to create the points from long/lat pairs i got this error (which i
> didn't get when the column was geometry)
> """
> db=# update transmitter_mv set punto = st_makepoint(tx_long, tx_lat);
> ERROR:  Coordinate values are out of range [-180 -90, 180 90] for GEOGRAPHY type
> """
>

btw, this is obviously postgis 1.5 and postgres version (less obvious) is 9.0

-- 
Jaime Casanova         www.2ndQuadrant.com
Professional PostgreSQL: Soporte 24x7 y capacitación



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