[postgis-users] Possible Better Error Message?

[Paragon Corporation]

David,

What you are asking I don't think is doable.  

Short-Answer - your query never hits PostGIS land to be caught.

Longer answer:

The error you get below is a PostgreSQL error and that is because it doesn't
know which function to send the request to.  Since PostgreSQL functions are
overloaded, unlike some other databases,  the name of a function is not
sufficient to look up a function. 

Leo 
http://www.postgis.us


-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of David
Fawcett
Sent: Monday, September 27, 2010 3:37 PM
To: PostGIS Users Discussion
Subject: [postgis-users] Possible Better Error Message?

I have a question about error messages.  I was attempting to use
ST_SetSRID() and the error message that I got definitely pointed me in the
wrong direction (see below).

The problem was that I was omitting the second arg.

It would be great if this case threw an error that said something like,
'incorrect number of arguments, ST_SetSRID(geometry, srid) requires two
arguments'.

I have no idea how the error messages are implemented, so I don't know if
this is a reasonable suggestion/request.  I am willing to file a ticket if
it would be useful.

David.


ERROR:  function st_setsrid(geometry) does not exist LINE 1: SELECT qid,
st_distance(ST_Centroid(the_geom), ST_Setsrid(ST...
                                                       ^
HINT:  No function matches the given name and argument types. You might need
to add explicit type casts.


********** Error **********

ERROR: function st_setsrid(geometry) does not exist SQL state: 42883
Hint: No function matches the given name and argument types. You might need
to add explicit type casts.
Character: 48
_______________________________________________
postgis-users mailing list
postgis-users at postgis.refractions.net
http://postgis.refractions.net/mailman/listinfo/postgis-users