On 9/20/2017 6:30 AM, Igor Korot wrote:
> Hi, guys,
>
> On Wed, Sep 20, 2017 at 12:20 AM, Allan Harvey
> <allan(dot)harvey(at)libertyonesteel(dot)com> wrote:
>>> How do I properly check if the record exists from libpq?
>> Igor,
>> I use PQntuples() to check the number of ... tuples, for > 0
> I was actually curious - isn't it what "PGRES_COMMAND_OK" for?
> IIUC, this constant indicates successful query run, but no records was
> generated.
>
> Or am I missing something and I will have to check PQntuples()?
a query that returns zero rows is still successful.
--
john r pierce, recycling bits in santa cruz