* if each flag has been initialized. */
unsigned long lazy_flags;
+ /* Message document modified since last sync */
+ notmuch_bool_t modified;
+
Xapian::Document doc;
Xapian::termcount termpos;
};
doc_id = _notmuch_database_generate_doc_id (notmuch);
} catch (const Xapian::Error &error) {
- fprintf (stderr, "A Xapian exception occurred creating message: %s\n",
+ _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred creating message: %s\n",
error.get_msg().c_str());
notmuch->exception_reported = TRUE;
*status_ret = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
if (unlikely (filename == NULL))
return;
- message->message_file = _notmuch_message_file_open_ctx (message, filename);
+ message->message_file = _notmuch_message_file_open_ctx (
+ _notmuch_message_database (message), message, filename);
}
const char *
return talloc_strdup (message, value.c_str ());
} catch (Xapian::Error &error) {
- fprintf (stderr, "A Xapian exception occurred when reading header: %s\n",
+ _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading header: %s\n",
error.get_msg().c_str());
message->notmuch->exception_reported = TRUE;
return NULL;
try {
message->doc.remove_term ((*i));
+ message->modified = TRUE;
} catch (const Xapian::InvalidArgumentError) {
/* Ignore failure to remove non-existent term. */
}
* Note: This function does not remove a document from the database,
* even if the specified filename is the only filename for this
* message. For that functionality, see
- * _notmuch_database_remove_message. */
+ * notmuch_database_remove_message. */
notmuch_status_t
_notmuch_message_remove_filename (notmuch_message_t *message,
const char *filename)
_notmuch_message_clear_data (notmuch_message_t *message)
{
message->doc.set_data ("");
+ message->modified = TRUE;
}
static void
try {
value = message->doc.get_value (NOTMUCH_VALUE_TIMESTAMP);
} catch (Xapian::Error &error) {
- fprintf (stderr, "A Xapian exception occurred when reading date: %s\n",
+ _notmuch_database_log(_notmuch_message_database (message), "A Xapian exception occurred when reading date: %s\n",
error.get_msg().c_str());
message->notmuch->exception_reported = TRUE;
return 0;
Xapian::sortable_serialise (time_value));
message->doc.add_value (NOTMUCH_VALUE_FROM, from);
message->doc.add_value (NOTMUCH_VALUE_SUBJECT, subject);
+ message->modified = TRUE;
+}
+
+/* Upgrade a message to support NOTMUCH_FEATURE_LAST_MOD. The caller
+ * must call _notmuch_message_sync. */
+void
+_notmuch_message_upgrade_last_mod (notmuch_message_t *message)
+{
+ /* _notmuch_message_sync will update the last modification
+ * revision; we just have to ask it to. */
+ message->modified = TRUE;
}
/* Synchronize changes made to message->doc out into the database. */
if (message->notmuch->mode == NOTMUCH_DATABASE_MODE_READ_ONLY)
return;
+ if (! message->modified)
+ return;
+
+ /* Update the last modification of this message. */
+ if (message->notmuch->features & NOTMUCH_FEATURE_LAST_MOD)
+ /* sortable_serialise gives a reasonably compact encoding,
+ * which directly translates to reduced IO when scanning the
+ * value stream. Since it's built for doubles, we only get 53
+ * effective bits, but that's still enough for the database to
+ * last a few centuries at 1 million revisions per second. */
+ message->doc.add_value (NOTMUCH_VALUE_LAST_MOD,
+ Xapian::sortable_serialise (
+ _notmuch_database_new_revision (
+ message->notmuch)));
+
db = static_cast <Xapian::WritableDatabase *> (message->notmuch->xapian_db);
db->replace_document (message->doc_id, message->doc);
+ message->modified = FALSE;
}
-/* Delete a message document from the database. */
+/* Delete a message document from the database, leaving a ghost
+ * message in its place */
notmuch_status_t
_notmuch_message_delete (notmuch_message_t *message)
{
notmuch_status_t status;
Xapian::WritableDatabase *db;
+ const char *mid, *tid;
+ notmuch_message_t *ghost;
+ notmuch_private_status_t private_status;
+ notmuch_database_t *notmuch;
+
+ mid = notmuch_message_get_message_id (message);
+ tid = notmuch_message_get_thread_id (message);
+ notmuch = message->notmuch;
status = _notmuch_database_ensure_writable (message->notmuch);
if (status)
return status;
- db = static_cast <Xapian::WritableDatabase *> (message->notmuch->xapian_db);
+ db = static_cast <Xapian::WritableDatabase *> (notmuch->xapian_db);
db->delete_document (message->doc_id);
- return NOTMUCH_STATUS_SUCCESS;
+
+ /* and reintroduce a ghost in its place */
+ ghost = _notmuch_message_create_for_message_id (notmuch, mid, &private_status);
+ if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
+ private_status = _notmuch_message_initialize_ghost (ghost, tid);
+ if (! private_status)
+ _notmuch_message_sync (ghost);
+ } else if (private_status == NOTMUCH_PRIVATE_STATUS_SUCCESS) {
+ /* this is deeply weird, and we should not have gotten into
+ this state. is there a better error message to return
+ here? */
+ return NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID;
+ }
+
+ notmuch_message_destroy (ghost);
+ return COERCE_STATUS (private_status, "Error converting to ghost message");
}
/* Transform a blank message into a ghost message. The caller must
return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
message->doc.add_term (term, 0);
+ message->modified = TRUE;
talloc_free (term);
try {
message->doc.remove_term (term);
+ message->modified = TRUE;
} catch (const Xapian::InvalidArgumentError) {
- /* We'll let the philosopher's try to wrestle with the
+ /* We'll let the philosophers try to wrestle with the
* question of whether failing to remove that which was not
* there in the first place is failure. For us, we'll silently
* consider it all good. */
return NOTMUCH_PRIVATE_STATUS_SUCCESS;
}
+notmuch_private_status_t
+_notmuch_message_has_term (notmuch_message_t *message,
+ const char *prefix_name,
+ const char *value,
+ notmuch_bool_t *result)
+{
+ char *term;
+ notmuch_bool_t out = FALSE;
+ notmuch_private_status_t status = NOTMUCH_PRIVATE_STATUS_SUCCESS;
+
+ if (value == NULL)
+ return NOTMUCH_PRIVATE_STATUS_NULL_POINTER;
+
+ term = talloc_asprintf (message, "%s%s",
+ _find_prefix (prefix_name), value);
+
+ if (strlen (term) > NOTMUCH_TERM_MAX)
+ return NOTMUCH_PRIVATE_STATUS_TERM_TOO_LONG;
+
+ try {
+ /* Look for the exact term */
+ Xapian::TermIterator i = message->doc.termlist_begin ();
+ i.skip_to (term);
+ if (i != message->doc.termlist_end () &&
+ !strcmp ((*i).c_str (), term))
+ out = TRUE;
+ } catch (Xapian::Error &error) {
+ status = NOTMUCH_PRIVATE_STATUS_XAPIAN_EXCEPTION;
+ }
+ talloc_free (term);
+
+ *result = out;
+ return status;
+}
+
notmuch_status_t
notmuch_message_add_tag (notmuch_message_t *message, const char *tag)
{
projects / notmuch / blobdiff