| From: | Guillaume Lelarge <guillaume(at)lelarge(dot)info> |
|---|---|
| To: | Dominique Devienne <ddevienne(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Number of updated rows with LibPQ |
| Date: | 2022-10-14 12:26:04 |
| Message-ID: | CAECtzeXSW-Tn_eA2WGL3X+Dw5bfzujtuVeXFQZpa9ukc=7Kv_Q@mail.gmail.com |
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| Lists: | pgsql-general |
Le ven. 14 oct. 2022 à 13:52, Dominique Devienne <ddevienne(at)gmail(dot)com> a
écrit :
> On Wed, Oct 5, 2022 at 8:17 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> writes:
> > > On Wed, 2022-10-05 at 16:38 +0200, Dominique Devienne wrote:
> > > Yes, you have to use PQcmdTuples(), and you have to convert the string
> to an integer.
> > > But don't worry: the result will *not* be "INSERT 0 5", it will be
> just "5"
>
> Thanks. What's the leading 0 though, then?
>
The leading number was the OID of the inserted row if you only had one row
and if the table had OID on rows. Otherwise, it was zero. It's always 0
nowadays since you can't have OID on rows.
--
Guillaume.
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