diff options
author | Carl Worth <cworth@cworth.org> | 2010-04-12 14:35:25 -0700 |
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committer | Carl Worth <cworth@cworth.org> | 2010-04-12 14:35:25 -0700 |
commit | f8dc5c08e4479c244e0835e87d4b487a436042e0 (patch) | |
tree | 7c096681fe0d620008ba54d3ef86e1a6c2f0583e /lib/database.cc | |
parent | 5c20bdf035b94bf5bda708bdd12e1b7bf44885f7 (diff) |
lib: Fix internal documentation of _notmuch_database_link_message
This function was recently modified, (to include a metadata lookup for
a message's thread ID before looking for parent/child thread IDs), but
the documentation wasn't updated. Fix that.
Diffstat (limited to 'lib/database.cc')
-rw-r--r-- | lib/database.cc | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/lib/database.cc b/lib/database.cc index d4e2f1e..2511cae 100644 --- a/lib/database.cc +++ b/lib/database.cc @@ -1348,18 +1348,27 @@ _notmuch_database_link_message_to_children (notmuch_database_t *notmuch, /* Given a (mostly empty) 'message' and its corresponding * 'message_file' link it to existing threads in the database. * - * We first look at 'message_file' and its link-relevant headers - * (References and In-Reply-To) for message IDs. We also look in the - * database for existing message that reference 'message'. In either - * case, we will assign to the current message the first thread_id + * The first check is in the metadata of the database to see if we + * have pre-allocated a thread_id in advance for this message, (which + * would have happened if a message was previously added that + * referenced this one). + * + * Second, we look at 'message_file' and its link-relevant headers + * (References and In-Reply-To) for message IDs. + * + * Finally, we look in the database for existing message that + * reference 'message'. + * + * In all cases, we assign to the current message the first thread_id * found (through either parent or child). We will also merge any * existing, distinct threads where this message belongs to both, * (which is not uncommon when mesages are processed out of order). * - * Finally, if not thread ID has been found through parent or child, - * we call _notmuch_message_generate_thread_id to generate a new - * generates a new thread ID if the message doesn't connect to any - * existing threads. + * Finally, if no thread ID has been found through parent or child, we + * call _notmuch_message_generate_thread_id to generate a new thread + * ID. This should only happen for new, top-level messages, (no + * References or In-Reply-To header in this message, and no previously + * added message refers to this message). */ static notmuch_status_t _notmuch_database_link_message (notmuch_database_t *notmuch, |