Thanks Matheus. The coalesce method worked like a champ.
Cheers,
Derek
On 2/3/2012 10:09 AM, Matheus de Oliveira wrote:
Even better:
SELECT COALESCE(value_of_interest, 'more friendly message')
value_of_interest
From poly_table left outer join data_table one poly_table.common_id =
data_table.common_id
--
Matheus de Oliveira
On Fri, Feb 3, 2012 at 1:05 PM, Matheus de Oliveira
<matioli.math...@gmail.com <mailto:matioli.math...@gmail.com>> wrote:
Try that:
SELECT address, CASE WHEN value_of_interest IS NULL THEN 'more
friendly message' ELSE value_of_interest END value_of_interest
From poly_table left outer join data_table one
poly_table.common_id = data_table.common_id
--
Matheus de Oliveira
On Fri, Feb 3, 2012 at 10:45 AM, John Morgan <jdmor...@unca.edu
<mailto:jdmor...@unca.edu>> wrote:
Hello,
I am doing a left outer join between a polygon table and a
data table.
Everything
returns fine from this join as expected. However, there are
cases where
there isn?t data for a given polygon and this return as the
expected null
in the result set. I would like to utilize something like a
case statement
to catch the nulls and return a ?more friendly? message. I
have tried
unsuccessfully to use the following logic:
*Select case value_of_interest null then ?more friendly
message? else
value_of_interest end*
*From poly_table left outer join data_table one
poly_table.common_id =
data_table.common_id*
If someone could let me know where I am going wrong it would
be greatly
appreciated.
Cheers,
Derek
--
Derek @ NEMAC
