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+From: Austin Clements <amdragon@mit.edu>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH] NEWS: Database version 3, API improvements, and ghost\r
+ messages\r
+Date: Mon, 10 Nov 2014 08:13:42 -0500\r
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+\r
+---\r
+ NEWS | 30 ++++++++++++++++++++++++++++++\r
+ 1 file changed, 30 insertions(+)\r
+\r
+diff --git a/NEWS b/NEWS\r
+index b30ed1b..7a121e4 100644\r
+--- a/NEWS\r
++++ b/NEWS\r
+@@ -36,9 +36,39 @@ Improved `q` binding in notmuch buffers\r
+ Library changes\r
+ ---------------\r
+ \r
++Introduced database version 3 with support for "database features."\r
++\r
++ Features are independent aspects of the database schema.\r
++ Representing these independently of the database version number will\r
++ let us evolve the database format faster and more incrementally,\r
++ while maintaining better forwards and backwards compatibility.\r
++\r
++Library users are no longer required to call `notmuch_database_upgrade`\r
++\r
++ Previously, library users were required to call\r
++ `notmuch_database_needs_upgrade` and `notmuch_database_upgrade`\r
++ before using a writable database. Even the CLI didn't get this\r
++ right, and it is no longer required. Now, individual APIs may\r
++ return `NOTMUCH_STATUS_UPGRADE_REQUIRED` if the database format is\r
++ too out of date for that API.\r
++\r
++Library users can now abort an atomic section by closing the database\r
++\r
++ Previously there was no supported way to abort an atomic section.\r
++ Callers can now simply close the database, and any outstanding\r
++ atomic section will be aborted.\r
++\r
+ Add return status to notmuch_database_close and\r
+ notmuch_database_destroy\r
+ \r
++Bug fixes and performance improvements for thread linking\r
++\r
++ The database now represents missing-but-referenced messages ("ghost\r
++ messages") similarly to how it represents regular messages. This\r
++ enables an improved thread linking algorithm that performs better\r
++ and fixes a bug that sometimes prevented notmuch from linking\r
++ messages into the same thread.\r
++\r
+ nmbug\r
+ -----\r
+ \r
+-- \r
+2.1.1\r
+\r
projects / notmuch-archives.git / commitdiff