Add TODO about more efficient stable thread queries

diff --git a/devel/TODO b/devel/TODO
index 844555ed464fa2bef139e1752ff72e98fc1decb0..f2124834af34ace878224254d3fa5db057215e67 100644 (file)
--- a/devel/TODO
+++ b/devel/TODO
@@ -114,6 +114,12 @@ are multiple ideas that might make sense. Some consensus needs to be
 reached on this issue, and then both reply formats should be updated
 to be consistent.
 
 reached on this issue, and then both reply formats should be updated
 to be consistent.
 

+Return docid-based queries in thread search results, instead of
+message-id-based queries.  These are much more compact and much faster
+to later query.  This will require support from the library, both for
+retrieving docids (probably as an opaque "get a query that identifies
+this message") and for docid queries.
+

 notmuch library
 ---------------
 Add support for custom flag<->tag mappings. In the notmuch
 notmuch library
 ---------------
 Add support for custom flag<->tag mappings. In the notmuch