Re: NULL feilds and ERROR messages from libpq++ - Mailing list pgsql-general

From Peter Eisentraut
Subject Re: NULL feilds and ERROR messages from libpq++
Date
Msg-id Pine.LNX.4.30.0106161449110.755-100000@peter.localdomain
Whole thread Raw
In response to NULL feilds and ERROR messages from libpq++  (Tabor Kelly <pdxmax@dsl-only.net>)
List pgsql-general
Tabor Kelly writes:

> I am using the libpq++ interface to interact with a table that has
> some NULL fields in it. Why is it that every time I do a
> PgDatabase::GetValue on a field that has a NULL value, I get an error
> message printed to my console ("PQgetvalue: ERROR! tuple number 0 is
> out of range 0..-1")? Is this the normal behavior? It seems very odd
> that it would be, since it is common to interact with tables that
> contain NULL fields.

I think you're operating on a query result that returned zero rows.

--
Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter


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