2009/12/6 Hugo Mills :
> SQL is really, really bad at this kind of job, I'm afraid. If you
> want precisely the longest way, it's going to have to look something
> like this, I think:
>
> SELECT way,highway,aeroway,name,ref,char_length(ref) AS length,
> ST_Length(way) AS road_len,
> CASE WHEN b
On Sun, Dec 06, 2009 at 09:53:56PM +, Philip Stubbs wrote:
> 2009/12/6 Hugo Mills :
> > On Sun, Dec 06, 2009 at 07:32:25PM +, Philip Stubbs wrote:
> >> Hi,
> >>
> >> I have been playing with mapnik to create some maps. It has been fun,
> >> but I am a bit lacking in Postgres SQL. Can anybod
2009/12/6 Hugo Mills :
> On Sun, Dec 06, 2009 at 07:32:25PM +, Philip Stubbs wrote:
>> Hi,
>>
>> I have been playing with mapnik to create some maps. It has been fun,
>> but I am a bit lacking in Postgres SQL. Can anybody help me to adjust
>> the following SELECT statement so that it will retur
On 06/12/09 19:32, Philip Stubbs wrote:
> Hi,
>
> I have been playing with mapnik to create some maps. It has been fun,
> but I am a bit lacking in Postgres SQL. Can anybody help me to adjust
> the following SELECT statement so that it will return a result set
> that consists of only one of each d
On Sun, Dec 06, 2009 at 07:32:25PM +, Philip Stubbs wrote:
> Hi,
>
> I have been playing with mapnik to create some maps. It has been fun,
> but I am a bit lacking in Postgres SQL. Can anybody help me to adjust
> the following SELECT statement so that it will return a result set
> that consist
Hi,
I have been playing with mapnik to create some maps. It has been fun,
but I am a bit lacking in Postgres SQL. Can anybody help me to adjust
the following SELECT statement so that it will return a result set
that consists of only one of each distinct 'name'?
SELECT way,highway,aeroway,name,re
