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[notmuch] / TODO

diff --git a/TODO b/TODO
index 8783ebb61be9a6f42a7407a5690e6c8edaff683c..7c984c28c88485af53abc5731f4ad229c60f1438 100644 (file)
--- a/TODO
+++ b/TODO
@@ -107,6 +107,9 @@ directories read-only on its own. (Could conflict with low-volume
 lists such as announce lists if they are setup to deliver to their own
 maildirs.)
 
 lists such as announce lists if they are setup to deliver to their own
 maildirs.)
 

+Allow configuration for filename patterns that should be ignored when
+indexing.
+

 notmuch library
 ---------------
 Add support for files that are moved or deleted (which obviously need
 notmuch library
 ---------------
 Add support for files that are moved or deleted (which obviously need


@@ -134,3 +137,50 @@ Achieve 100% test coverage with the test suite.
 
 Investigate why the notmuch database is slightly larger than the sup
 database for the same corpus of email.
 
 Investigate why the notmuch database is slightly larger than the sup
 database for the same corpus of email.

+
+Xapian
+------
+Fix defect #250
+
+       replace_document should make minimal changes to database file
+       http://trac.xapian.org/ticket/250
+
+       It looks like it's going to be easy to fix. Here's the file to
+       change:
+
+               xapian-core/backends/flint/flint_database.cc
+
+       And look for:
+
+         // FIXME - in the case where there is overlap between the new
+         // termlist and the old termlist, it would be better to compare the
+         // two lists, and make the minimum set of modifications required.
+         // This would lead to smaller changesets for replication, and
+         // probably be faster overall
+
+       So I think this might be as easy as just walking over two
+       sorted lists looking for differences.
+
+       Note that this is in the currently default "flint" backend,
+       but the Xapian folks are probably more interested in fixing
+       the in-development "chert" backend. So the patch to get
+       upstreamed there will probably also fix:
+
+               xapian-core/backends/chert/chert_database.cc
+
+       (I'm hoping the fix will be the same---an identical comment
+       exists there.)
+
+       Also, if you want to experiment with the chert backend,
+       compile current Xapian source and run notmuch with
+       XAPIAN_PREFER_CHERT=1. I haven't tried that yet, but there are
+       claims that a chert database can be 40% smaller than an
+       equivalent flint database.
+
+Report this bug:
+
+       "tag:foo and tag:bar and -tag:deleted" goes insane
+
+       This seems to be triggered by a Boolean operator next to a
+       token starting with a non-word character---suddenly all the
+       Boolean operators get treated as literal tokens)