Re: possible/feasible to specify field and value in error msg?

On Wed, Jul 3, 2013 at 11:14:18AM -0400, Bruce Momjian wrote:
> On Wed, Jul 3, 2013 at 10:54:48AM +0200, Willy-Bas Loos wrote:
> > Hi,
> >
> > I have some complicated query that truncates and fills a table and i get this
> > message:
> > ERROR: smallint out of range
> > STATEMENT: <my huge query>
> > This is in postgres 8.4
> > I don't know where the error is, and the query takes rather long. So it is
> > going to be a bit cumbersome for me to debug this.
> >
> > Would it be possible/feasible to specify, in future versions of postgres:
> > * what value
> > * which field (of which table)
> > * the offending tuple? (possibly truncated to some threshold nr of characters)
> >
> > I ask because i can imagine that, inside the code that handles this, you might
> > not have access to that information and adding access to it might be
> > inefficient.
> >
> > I do get the whole query of course, and that is very handy for automated
> > things. But in this case, it doesn't help me.
>
> We will add optional error details in Postgres 9.3:
>
> http://momjian.us/main/blogs/pgblog/2013.html#April_11_2013
>
> I don't know if an out-of-range error would generate the column name.

I just tested this and it doesn't show the offending column name;
sorry:

test=> CREATE TABLE test(x smallint);
CREATE TABLE
test=> \set VERBOSITY verbose
test=> INSERT INTO test VALUES (10000000);
ERROR: 22003: smallint out of range
LOCATION: i4toi2, int.c:349

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +