Re: [Evolution] Reading email using search folders could be faster

[Patrick O'Callaghan <poc usb ve>]

On Tue, 2018-06-05 at 13:05 +0300, Robert Munteanu wrote:
> On Tue, Jun 5, 2018 at 12:54 PM, Andre Klapper <ak-47 gmx net> wrote:
> > On Mon, 2018-06-04 at 11:41 +0300, Robert Munteanu wrote:
> > > (Please CC me, not subscribed)
> > >
> > > I'm using Evolution for quite some time with two accounts ( EWS, IMAP
> > > ) and a couple of search folders. One of them holds all the unread
> > > email threads except a couple of folders. All the folders included in
> > > there are set to have their emails downloaded for offline use.
> > >
> > > Whenever I switch to a search folder and select an email ( which
> > > should already be downloaded offline ) it lags for a couple of
> > > seconds. In the status bar I see both 'Retrieving message XYZ...' and
> > > 'Refreshing folder Search Folders: Unread....'.
> >
> > What exactly makes you think it should already be downloaded offline?
>
> As I wrote above, all accounts are already set to download messages
> offline. Additionally, if I open an old message that is already there,
> it also waits to refresh the folder. Consider the following scenario:
>
> 1. Switch to virtual folder
> 2. Message is selected so it is downloaded ( waiting for the folder refresh )
> 3. Switch to the physical folder and access the message ( no delay )
> 4. Switch to the virtual folder again
> 5. Message is selected so it is downloaded (again, still waiting for
> the folder refresh )
>
> So no matter what am still waiting for the virtual folder to refresh
> and for the message to be downloaded, even though the message should
> be there. Whether the download is a no-op since it's already saved for
> offline I don't know, it just appears in the status bar, apparently
> queued after the folder refresh.
>
> GIven that accessing the same message through a regular folder works
> without any delays, I think the message is downloaded, just that
> access through the virtual folder is delayed for some reason.

If the virtual folder involves a search through a large mailbox, that
could account for it not being instantaneous. Just speculating.

poc