diff options
| -rw-r--r-- | lib/database.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/database.cc b/lib/database.cc index 92234ff4..9cd46d4f 100644 --- a/lib/database.cc +++ b/lib/database.cc @@ -1138,10 +1138,13 @@ _get_metadata_thread_id_key (void *ctx, const char *message_id) /* Find the thread ID to which the message with 'message_id' belongs. * - * Returns NULL if no message with message ID 'message_id' is in the - * database. + * Always returns a newly talloced string belonging to 'ctx'. * - * Otherwise, returns a newly talloced string belonging to 'ctx'. + * Note: If there is no message in the database with the given + * 'message_id' then a new thread_id will be allocated for this + * message and stored in the database metadata, (where this same + * thread ID can be looked up if the message is added to the database + * later). */ static const char * _resolve_message_id_to_thread_id (notmuch_database_t *notmuch, |