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NEWS: Database version 3, API improvements, and ghost messages

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Austin Clements 2014-11-10 08:13:42 -05:00 committed by David Bremner
parent 2e480491b7
commit 4499c07531
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NEWS
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@ -36,9 +36,39 @@ Improved `q` binding in notmuch buffers
Library changes
---------------
Introduced database version 3 with support for "database features."
Features are independent aspects of the database schema.
Representing these independently of the database version number will
let us evolve the database format faster and more incrementally,
while maintaining better forwards and backwards compatibility.
Library users are no longer required to call `notmuch_database_upgrade`
Previously, library users were required to call
`notmuch_database_needs_upgrade` and `notmuch_database_upgrade`
before using a writable database. Even the CLI didn't get this
right, and it is no longer required. Now, individual APIs may
return `NOTMUCH_STATUS_UPGRADE_REQUIRED` if the database format is
too out of date for that API.
Library users can now abort an atomic section by closing the database
Previously there was no supported way to abort an atomic section.
Callers can now simply close the database, and any outstanding
atomic section will be aborted.
Add return status to notmuch_database_close and
notmuch_database_destroy
Bug fixes and performance improvements for thread linking
The database now represents missing-but-referenced messages ("ghost
messages") similarly to how it represents regular messages. This
enables an improved thread linking algorithm that performs better
and fixes a bug that sometimes prevented notmuch from linking
messages into the same thread.
nmbug
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