: Tom Lane
Sent: Tuesday, April 9, 2024 6:36 PM
To: Sebastien Flaesch
Cc: pgsql-general
Subject: Re: prepared statement "cu1" already exists (but it does not)
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Sebastien Flaesch writes:
>>>
Sebastien Flaesch writes:
>>> Is it an issue if I use the same name for a prepared statement and the
>>> server cursor? I mean:
>> From memory, I think those share the same "portal" namespace.
> Can you please elaborate?
> Is it supported to do:
>PQprepare(pgConn, "cu1", "declare cu1 curso
;cu1", "declare cu1 cursor for ... ", ... )
PQexecPrepared(pgConn, "cu1", ... )
?
So far this has always worked.
Seb
From: Tom Lane
Sent: Monday, April 8, 2024 7:36 PM
To: Sebastien Flaesch
Cc: pgsql-general
Subject: Re: prepared statement "cu1&quo
Sent: Monday, April 8, 2024 7:36 PM
To: Sebastien Flaesch
Cc: pgsql-general
Subject: Re: prepared statement "cu1" already exists (but it does not)
EXTERNAL: Do not click links or open attachments if you do not recognize the
sender.
Sebastien Flaesch writes:
> I understand that th
Sebastien Flaesch writes:
> I understand that the whole TX is aborted with PostgreSQL, and probably the
> deallocate is useless since stmt was prepared inside the TX?
As you can quickly discover with some manual experimentation,
both PREPARE and DEALLOCATE are nontransactional, in the sense
that
On Mon, Apr 8, 2024 at 5:31 PM Sebastien Flaesch
wrote:
> I understand when this can happen, but in fact I do de-allocate prepared
> statements when I should.
>
We've run into similar issues. We're in C++, and with RAII deallocate
resources (Prepared Statements, Cursors) in Dtors.
But as you saw
Here a first PQtrace() file... assuming it can help.
Seb
From: Sebastien Flaesch
Sent: Monday, April 8, 2024 5:31 PM
To: pgsql-general
Cc: Sebastien Flaesch
Subject: prepared statement "cu1" already exists (but it does not)
Hello,
In a specific case,
Hello,
In a specific case, I get the error
prepared statement "cu1" already exists
I understand when this can happen, but in fact I do de-allocate prepared
statements when I should.
I am investigating on this for several hours now, I thought I could share my
problem to see if this ring a be
