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From: Igor Korot <ikorot01@gmail.com>
Date: Sun, 26 Apr 2026 17:06:30 -0500
Message-ID: <CA+FnnTywwWa14tN5CcHuKzKJAt+G5Ds_WzZBYoE3_UWWLjZUWQ@mail.gmail.com>
Subject: Re: Why that query fails?
To: Adrian Klaver <adrian.klaver@aklaver.com>
Cc: "pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>
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Adrian,

On Sun, Apr 26, 2026 at 3:38=E2=80=AFPM Igor Korot <ikorot01@gmail.com> wro=
te:
>
> Adrian,
>
> On Sun, Apr 26, 2026 at 3:34=E2=80=AFPM Igor Korot <ikorot01@gmail.com> w=
rote:
> >
> > Adrian,
> >
> > On Sun, Apr 26, 2026 at 3:22=E2=80=AFPM Adrian Klaver <adrian.klaver@ak=
laver.com> wrote:
> > >
> > > On 4/26/26 1:15 PM, Igor Korot wrote:
> > > > Hi, ALL,
> > > > [quote]
> > > > Thread 1 "dbhandler" hit Breakpoint 1,
> > >
> > > > 66                errorMsg.push_back( L"Error executing query: " + =
err );
> > > > (gdb) p err
> > > > $2 =3D L"ERROR:  invalid byte sequence for encoding \"UTF8\":
> > >
> > > I would think the above is a clue.
> > >
> > > Are you sure the value you are passing to the parameter is UTF8?
> >
> > Positive.
> >
> > This is what the following line should be doing:
> >
> > [code]
> > 57            strcpy( values[0], m_pimpl->m_myconv.to_bytes(
> > name.c_str() ).c_str() );
> > [/code]
>
> And the conversion is as follows:
>
> [code]
>     std::wstring_convert<std::codecvt_utf8<wchar_t> > m_myconv;
> [/code]
>
> Thank you.

Those are the values from gdb:

[code]
(gdb) p values[0]
$1 =3D 0x603001613380 "test"
(gdb) p strlen(values[0])
$2 =3D 4
(gdb)
[/code]

Thank you.

>
> >
> > Thank you.
> >
> > >
> > > > 0x00\nCONTEXT:  unnamed portal parameter $1\n"
> > > > (gdb)
> > > > [/quote]
> > > >
> > > > What am I doing wrong?
> > > >
> > > > Thank you.
> > > >
> > > >
> > >
> > >
> > > --
> > > Adrian Klaver
> > > adrian.klaver@aklaver.com