[postgis-users] Spatial column from text via a VIEW, Possible?
simon at spatialdbadvisor.com
Mon Mar 5 15:46:17 PST 2012
Yeah, sorry, didn't spot the aliasing of part3 and part4 but you got it anyway.
Can PostgreSQL/PostGIS let you now create a function based index over the computed geometry column?
On Tue, 06 Mar 2012 10:28:55 +1100, Bob Basques <Bob.Basques at ci.stpaul.mn.us> wrote:
> Ha, success!!!
> Coll, Thanks Simon (A LOT !!)
> select rxtime,
> ltrim(split_part(part1, ':', 1), '>') as cmd_type,
> split_part(part1, ':', 2) as esn,
> part2 as time_idx,
> part3 as lat,
> part4 as lon,
> ST_SetSRID(ST_MakePoint(part3::numeric, part4::numeric),4326) as geom,
> part5 as speed,
> part6 as event,
> rtrim(part7, ';') as good
> (select rxtime,
> split_part(cmd, ',', 1) as part1,
> split_part(cmd, ',', 2) as part2,
> split_part(cmd, ',', 3) as part3,
> split_part(cmd, ',', 4) as part4,
> split_part(cmd, ',', 5) as part5,
> split_part(cmd, ',', 6) as part6,
> split_part(cmd, ',', 7) as part7
> where cmd
> like '>Plot:%') AS first_pass;
Holder of "2011 Oracle Spatial Excellence Award for Education and Research."
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