Fix comments about what is stored in the database

[notmuch] / lib / database.cc

diff --git a/lib/database.cc b/lib/database.cc
index 98f101e6e617a04e9b6c26213f7e35a03dd5c0c3..d11dfaf3dc7245b6b0f7988f5056144e318d8dd4 100644 (file)
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -81,13 +81,17 @@ typedef struct {
  *                     STRING is the name of a file within that
  *                     directory for this mail message.
  *
- *    A mail document also has two values:
+ *    A mail document also has four values:
  *
  *     TIMESTAMP:      The time_t value corresponding to the message's
  *                     Date header.
  *
  *     MESSAGE_ID:     The unique ID of the mail mess (see "id" above)
  *
+ *     FROM:           The value of the "From" header
+ *
+ *     SUBJECT:        The value of the "Subject" header
+ *
  * In addition, terms from the content of the message are added with
  * "from", "to", "attachment", and "subject" prefixes for use by the
  * user in searching. Similarly, terms from the path of the mail
@@ -1447,7 +1451,7 @@ _notmuch_database_link_message_to_parents (notmuch_database_t *notmuch,
     keys = g_hash_table_get_keys (parents);
     for (l = keys; l; l = l->next) {
        char *parent_message_id;
-       const char *parent_thread_id;
+       const char *parent_thread_id = NULL;
 
        parent_message_id = (char *) l->data;