Re: [gnome-db] 2 issues with GdaConnection
- From: "Vivien Malerba" <vmalerba gmail com>
- To: "Mark Johnson" <mrj001 shaw ca>
- Cc: gnome-db list <gnome-db-list gnome org>
- Subject: Re: [gnome-db] 2 issues with GdaConnection
- Date: Fri, 21 Mar 2008 21:48:03 +0100
On Fri, Mar 21, 2008 at 4:44 PM, Mark Johnson <mrj001 shaw ca> wrote:
> On page:
> for function gda_connection_open_from_dsn, we find:
> " If a new GdaConnection
> <http://library.gnome.org/devel/libgda-4.0/3.99/GdaConnection.html> is
> created, then the caller will hold a reference on it."
> This seems to imply that if an existing connection was returned from a
> pool of connections, then the caller does not hold a reference on it.
> Therefore, the caller should call g_object_unref only in the case when a
> new connection is created.
> Question: How does one tell if a new connection was created?
> On page:
> We find this statement:
> " Closing the connection can be ordered using gda_connection_close ()
> or is automatically done when the connection object is destroyed (as is
> the case in the example abive when g_object_unref() is called with the
> connection as argument)."
That was from the V3 version where there wer connection pools
(GdaClient object). Now a GdaConnection object is created everytime
gda_connection_open_from...() is called sucessfully. I'll correct the
> When I called g_object_unref on the connection, expecting it to close
> automatically, I found the following in the PostgreSQL log:
> issue513149_dbLOG: unexpected EOF on client connection
> issue513149_dbLOG: disconnection: session time: 0:00:00.268
> user=issue513149_user database=issue513149_db host=127.0.0.1 port=37580
> When I added a call to gda_connection_close prior to the g_object_unref,
> the unexpected EOF message did not appear. It seems that with
> PostgreSQL, the connection is not automatically closing.
Closing the connection is done automatically when a connection object
is destroted (the same provider's function is called). Are you sure
you did not have 2 references on the connection before calling
g_object_unref()? Otherwise can you send me the piece of code (I'm a
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