Re: [notmuch] [PATCH] notmuch: Add tag archive when archiving the mails

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+From: Carl Worth <cworth@cworth.org>\r
+To: Jeffrey Ollie <jeff@ocjtech.us>, Not Much Mail\r
+       <notmuch@notmuchmail.org>\r
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+References: <87k4xnrhfp.fsf@linux.vnet.ibm.com>\r
+       <yun3a4b3b50.fsf@aiko.keithp.com>\r
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+Date: Thu, 19 Nov 2009 00:51:20 +0100\r
+Message-ID: <87639775on.fsf@yoom.home.cworth.org>\r
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+Subject: Re: [notmuch] [PATCH] notmuch: Add tag archive when archiving the\r
+ mails\r
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+\r
+On Wed, 18 Nov 2009 13:50:58 -0600, Jeffrey Ollie <jeff@ocjtech.us> wrote:\r
+> On Wed, Nov 18, 2009 at 1:07 PM, Keith Packard <keithp@keithp.com> wrote:\r
+> > I think you can just use 'not tag:inbox' as 'archived' really just means\r
+> > 'doesn't have the inbox tag'.\r
+> \r
+> That resulted in an error for me:\r
+> \r
+> $ notmuch search not tag:inbox\r
+> A Xapian exception occurred: Syntax: <expression> NOT <expression>\r
+> A Xapian exception occurred: Syntax: <expression> NOT <expression>\r
+\r
+Like I said earlier. I think that's a bug we should report to the Xapian\r
+folks.\r
+\r
+Meanwhile, it just occurred to me that we can make "notmuch search not\r
+tag:inbox" work without any change to Xapian.\r
+\r
+For every document we store in the database we put a special term on it\r
+to indicate its type. (We mostly just have documents of type "mail" but\r
+we also have documents of type "timestamp"---see the comment at the top\r
+of lib/database.cc for details.)\r
+\r
+So if we take the string "not tag:inbox" and turn it into "type:mail and\r
+not tag:inbox" then that will work just fine. (That's close to what\r
+we're doing currently, but different. Right now we try to parse the\r
+query "not tag:inbox" on its own and then combine the result with\r
+another query generated from a term representing the "mail" type.)\r
+\r
+-Carl\r