Re: [PATCH] VIM: Automatically refresh folder screen

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+Date: Tue, 16 Dec 2014 12:57:41 +0100\r
+From: Franz Fellner <alpine.art.de@gmail.com>\r
+To: David Bremner <david@tethera.net>\r
+Message-ID: <54901e35e7138_14aae1d30460@TP_L520.notmuch>\r
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+References: <1412181686-11257-1-git-send-email-imain@stemwinder.org>\r
+       <87egt4naxr.fsf@maritornes.cs.unb.ca>\r
+Subject: Re: [PATCH] VIM: Automatically refresh folder screen\r
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+\r
+David Bremner wrote:\r
+> Ian Main <imain@stemwinder.org> writes:\r
+> \r
+> > This patch makes the folder screen refresh each time you 'enter' it.\r
+> > This way when you read a folder and mark items as read the changes are\r
+> > reflected immediately when you return to the folder view.\r
+> \r
+> It seems to work, but it is pretty slow for large mailboxes. I have\r
+> 270000 unread messages and there is a pause of about 1 second when\r
+> returning to the "folder screen".  I'm not sure, maybe the vim interface\r
+> is just overall not usable with such large search results?\r
+\r
+I remember the times (not that far away) when paging through the result of a query\r
+in the emacs interface resulted in a lock of several seconds after each <PGDOWN> or\r
+<DOWN> keypress, even in medium sized queries of 1000 queries. This went away in the\r
+meantime.\r
+\r
+I just found the issue that caused the lag in the vim interface:\r
+https://github.com/imain/notmuch-vim/commit/649c18122befbabb52082b7d7f77abf863efc62b\r
+\r
+Using query.count_messages instead of query.search_messages.count did the trick.\r
+\r
+> \r
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+\r
+\r