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-rw-r--r--synapse/replication/slave/storage/events.py1
-rw-r--r--synapse/storage/__init__.py15
-rw-r--r--synapse/storage/event_push_actions.py149
3 files changed, 85 insertions, 80 deletions
diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py
index de0b26f437..a4d7430f9b 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -67,7 +67,6 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore,
             "MembershipStreamChangeCache", events_max,
         )
 
-        self.stream_ordering_month_ago = 0
         self._stream_order_on_start = self.get_room_max_stream_ordering()
 
     # Cached functions can't be accessed through a class instance so we need
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 0f136f8a06..b3cdcfdc21 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -20,7 +20,6 @@ from synapse.storage.devices import DeviceStore
 from .appservice import (
     ApplicationServiceStore, ApplicationServiceTransactionStore
 )
-from ._base import LoggingTransaction
 from .directory import DirectoryStore
 from .events import EventsStore
 from .presence import PresenceStore, UserPresenceState
@@ -228,20 +227,6 @@ class DataStore(RoomMemberStore, RoomStore,
             prefilled_cache=_group_updates_prefill,
         )
 
-        cur = LoggingTransaction(
-            db_conn.cursor(),
-            name="_find_stream_orderings_for_times_txn",
-            database_engine=self.database_engine,
-            after_callbacks=[],
-            final_callbacks=[],
-        )
-        self._find_stream_orderings_for_times_txn(cur)
-        cur.close()
-
-        self.find_stream_orderings_looping_call = self._clock.looping_call(
-            self._find_stream_orderings_for_times, 10 * 60 * 1000
-        )
-
         self._stream_order_on_start = self.get_room_max_stream_ordering()
         self._min_stream_order_on_start = self.get_room_min_stream_ordering()
 
diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py
index 6454045c2d..7164293568 100644
--- a/synapse/storage/event_push_actions.py
+++ b/synapse/storage/event_push_actions.py
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import SQLBaseStore
+from synapse.storage._base import SQLBaseStore, LoggingTransaction
 from twisted.internet import defer
 from synapse.util.async import sleep
 from synapse.util.caches.descriptors import cachedInlineCallbacks
@@ -64,6 +64,27 @@ def _deserialize_action(actions, is_highlight):
 
 
 class EventPushActionsWorkerStore(SQLBaseStore):
+    def __init__(self, db_conn, hs):
+        super(EventPushActionsWorkerStore, self).__init__(db_conn, hs)
+
+        # These get correctly set by _find_stream_orderings_for_times_txn
+        self.stream_ordering_month_ago = None
+        self.stream_ordering_day_ago = None
+
+        cur = LoggingTransaction(
+            db_conn.cursor(),
+            name="_find_stream_orderings_for_times_txn",
+            database_engine=self.database_engine,
+            after_callbacks=[],
+            final_callbacks=[],
+        )
+        self._find_stream_orderings_for_times_txn(cur)
+        cur.close()
+
+        self.find_stream_orderings_looping_call = self._clock.looping_call(
+            self._find_stream_orderings_for_times, 10 * 60 * 1000
+        )
+
     @cachedInlineCallbacks(num_args=3, tree=True, max_entries=5000)
     def get_unread_event_push_actions_by_room_for_user(
             self, room_id, user_id, last_read_event_id
@@ -443,6 +464,69 @@ class EventPushActionsWorkerStore(SQLBaseStore):
             desc="remove_push_actions_from_staging",
         )
 
+    @defer.inlineCallbacks
+    def _find_stream_orderings_for_times(self):
+        yield self.runInteraction(
+            "_find_stream_orderings_for_times",
+            self._find_stream_orderings_for_times_txn
+        )
+
+    def _find_stream_orderings_for_times_txn(self, txn):
+        logger.info("Searching for stream ordering 1 month ago")
+        self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn(
+            txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000
+        )
+        logger.info(
+            "Found stream ordering 1 month ago: it's %d",
+            self.stream_ordering_month_ago
+        )
+        logger.info("Searching for stream ordering 1 day ago")
+        self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn(
+            txn, self._clock.time_msec() - 24 * 60 * 60 * 1000
+        )
+        logger.info(
+            "Found stream ordering 1 day ago: it's %d",
+            self.stream_ordering_day_ago
+        )
+
+    def _find_first_stream_ordering_after_ts_txn(self, txn, ts):
+        """
+        Find the stream_ordering of the first event that was received after
+        a given timestamp. This is relatively slow as there is no index on
+        received_ts but we can then use this to delete push actions before
+        this.
+
+        received_ts must necessarily be in the same order as stream_ordering
+        and stream_ordering is indexed, so we manually binary search using
+        stream_ordering
+        """
+        txn.execute("SELECT MAX(stream_ordering) FROM events")
+        max_stream_ordering = txn.fetchone()[0]
+
+        if max_stream_ordering is None:
+            return 0
+
+        range_start = 0
+        range_end = max_stream_ordering
+
+        sql = (
+            "SELECT received_ts FROM events"
+            " WHERE stream_ordering > ?"
+            " ORDER BY stream_ordering"
+            " LIMIT 1"
+        )
+
+        while range_end - range_start > 1:
+            middle = int((range_end + range_start) / 2)
+            txn.execute(sql, (middle,))
+            middle_ts = txn.fetchone()[0]
+            if ts > middle_ts:
+                range_start = middle
+            else:
+                range_end = middle
+
+        return range_end
+
 
 class EventPushActionsStore(EventPushActionsWorkerStore):
     EPA_HIGHLIGHT_INDEX = "epa_highlight_index"
@@ -651,69 +735,6 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
         """, (room_id, user_id, stream_ordering))
 
     @defer.inlineCallbacks
-    def _find_stream_orderings_for_times(self):
-        yield self.runInteraction(
-            "_find_stream_orderings_for_times",
-            self._find_stream_orderings_for_times_txn
-        )
-
-    def _find_stream_orderings_for_times_txn(self, txn):
-        logger.info("Searching for stream ordering 1 month ago")
-        self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn(
-            txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000
-        )
-        logger.info(
-            "Found stream ordering 1 month ago: it's %d",
-            self.stream_ordering_month_ago
-        )
-        logger.info("Searching for stream ordering 1 day ago")
-        self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn(
-            txn, self._clock.time_msec() - 24 * 60 * 60 * 1000
-        )
-        logger.info(
-            "Found stream ordering 1 day ago: it's %d",
-            self.stream_ordering_day_ago
-        )
-
-    def _find_first_stream_ordering_after_ts_txn(self, txn, ts):
-        """
-        Find the stream_ordering of the first event that was received after
-        a given timestamp. This is relatively slow as there is no index on
-        received_ts but we can then use this to delete push actions before
-        this.
-
-        received_ts must necessarily be in the same order as stream_ordering
-        and stream_ordering is indexed, so we manually binary search using
-        stream_ordering
-        """
-        txn.execute("SELECT MAX(stream_ordering) FROM events")
-        max_stream_ordering = txn.fetchone()[0]
-
-        if max_stream_ordering is None:
-            return 0
-
-        range_start = 0
-        range_end = max_stream_ordering
-
-        sql = (
-            "SELECT received_ts FROM events"
-            " WHERE stream_ordering > ?"
-            " ORDER BY stream_ordering"
-            " LIMIT 1"
-        )
-
-        while range_end - range_start > 1:
-            middle = int((range_end + range_start) / 2)
-            txn.execute(sql, (middle,))
-            middle_ts = txn.fetchone()[0]
-            if ts > middle_ts:
-                range_start = middle
-            else:
-                range_end = middle
-
-        return range_end
-
-    @defer.inlineCallbacks
     def _rotate_notifs(self):
         if self._doing_notif_rotation or self.stream_ordering_day_ago is None:
             return