[postgis-users] Spatial column from text via a VIEW, Possible?

[Simon Greener]

Bob,

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?

S
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
>  from
>      (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
>         from
>              cmdstpinfo
>        where cmd
>         like '>Plot:%') AS first_pass;



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