searchidx: index THREADID in Xapian

[public-inbox.git] / lib / PublicInbox / Search.pm

diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index c18e19d4d4b45a3804c2d6f779ba5c8adcfe48d0..4cfb7b3846d5f6475478c1edb94893670720bd56 100644 (file)
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -18,9 +18,9 @@ use constant {
        # added for public-inbox 1.6.0+
        BYTES => 3, # IMAP RFC822.SIZE
        UID => 4, # IMAP UID == NNTP article number == Xapian docid
+       THREADID => 5, # RFC 8474, RFC 8621
 
        # TODO
-       # THREADID => ?
        # REPLYCNT => ?, # IMAP ANSWERED
 
        # SCHEMA_VERSION history
@@ -47,7 +47,7 @@ use constant {
        #      public-inbox v1.5.0 adds (still SCHEMA_VERSION=15):
        #      * "lid:" and "l:" for List-Id searches
        #
-       #      v1.6.0 adds BYTES and UID values
+       #      v1.6.0 adds BYTES, UID and THREADID values
        SCHEMA_VERSION => 15,
 };