Re: [HACKERS] [BUG?] strange PQgetisnull

> Hi all,
>
>     I got strange result with PQgetisnull, say
>
> for empty table(I think that it's empty so null)
>
> I guess that
> after fetch some selection
> PQgetisnull(result, 0, 0) should give me "1 or true"
> But
> it gives me
> ERROR! field 0(of 0) of row 0(of 0) is not available... Segmentation
> Fault

You can't check for isnull on a Result that returns no rows.  It is only
for looking at fields of an existing returned row.

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