From 4dae4a97ed0e0b2cc9b5493172670ec7353ded2e Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 11 Apr 2018 11:52:19 +0100
Subject: Track last processed event received_ts

---
 synapse/storage/events_worker.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'synapse/storage')

diff --git a/synapse/storage/events_worker.py b/synapse/storage/events_worker.py
index 2e23dd78ba..769eb51489 100644
--- a/synapse/storage/events_worker.py
+++ b/synapse/storage/events_worker.py
@@ -51,6 +51,24 @@ _EventCacheEntry = namedtuple("_EventCacheEntry", ("event", "redacted_event"))
 
 
 class EventsWorkerStore(SQLBaseStore):
+    def get_received_ts(self, event_id):
+        """Get received_ts (when it was persisted) for the event
+
+        Args:
+            event_id (str)
+
+        Returns:
+            Deferred[int|None]: Timstamp in milliseconds, or None for events
+            that were persisted before received_ts was implemented.
+        """
+        return self._simple_select_one_onecol(
+            table="events",
+            keyvalues={
+                "event_id": event_id,
+            },
+            retcol="received_ts",
+            desc="get_received_ts",
+        )
 
     @defer.inlineCallbacks
     def get_event(self, event_id, check_redacted=True,
-- 
cgit 1.4.1