[PATCH 0/5] lib: make folder: prefix literal

diff --git a/61/999db2ceca6de86ecdf0e6895c7d8509ab4d9e b/61/999db2ceca6de86ecdf0e6895c7d8509ab4d9e
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+       Thu, 09 Jan 2014 14:18:45 -0800 (PST)\r
+From: Jani Nikula <jani@nikula.org>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 0/5] lib: make folder: prefix literal\r
+Date: Fri, 10 Jan 2014 00:18:31 +0200\r
+Message-Id: <cover.1389304779.git.jani@nikula.org>\r
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+\r
+Hi all, this series makes the folder: search prefix literal, or switches\r
+it from a probabilistic prefix to a boolean prefix. With this, you have\r
+to give the path from the maildir root to the folder you want in full,\r
+including the maildir cur/new component, if any. Examples:\r
+\r
+folder:cur\r
+folder:foo/bar\r
+folder:""\r
+\r
+The last one can be used to refer to the maildir root (note that in\r
+shell you'll need quoting to pass the double quotes to xapian,\r
+folder:'""').\r
+\r
+The old probabilistic folder: prefix is problematic in a number of\r
+ways. It's not possible to refer to the maildir root. It does stemming,\r
+so "inboxing" would match "inbox" too. "cur" for the folder in maildir\r
+root would match all "cur" folders across the maildir hierarchy. Likely\r
+some others I forgot.\r
+\r
+WARNING! The change requires a database format version bump, and a\r
+database upgrade, which is automatically done on 'notmuch new'. The\r
+upgrade is irreversible if you want to try this on your database! A\r
+complete database rebuild is required for reverting the database format\r
+version. Make sure your backups are in order!\r
+\r
+The series includes some tests, including an initial upgrade test, along\r
+with a test database in the previous format version.\r
+\r
+\r
+BR,\r
+Jani.\r
+\r
+\r
+\r
+Jani Nikula (5):\r
+  lib: make folder: prefix literal\r
+  test: fix insert folder: searches\r
+  test: fix test for literal folder: search\r
+  test: add test database in format version 1\r
+  test: add database upgrade test from format version 1\r
+\r
+ lib/database.cc                        |  39 ++++++++-\r
+ lib/message.cc                         | 154 +++++++++++++++++----------------\r
+ lib/notmuch-private.h                  |   3 +\r
+ test/insert                            |  10 +--\r
+ test/notmuch-test                      |   1 +\r
+ test/search-by-folder                  |  24 ++++-\r
+ test/test-databases/README             |   5 ++\r
+ test/test-databases/database-v1.tar.gz | Bin 0 -> 252243 bytes\r
+ test/upgrade                           |  25 ++++++\r
+ 9 files changed, 174 insertions(+), 87 deletions(-)\r
+ create mode 100644 test/test-databases/README\r
+ create mode 100644 test/test-databases/database-v1.tar.gz\r
+ create mode 100755 test/upgrade\r
+\r
+-- \r
+1.8.5.2\r
+\r