From 74d3e177f0443f27e670f0b99299d715c58fd238 Mon Sep 17 00:00:00 2001 From: Brendan Abolivier Date: Wed, 1 Jul 2020 11:08:25 +0100 Subject: Back out MSC2625 implementation (#7761) --- .../storage/data_stores/main/event_push_actions.py | 133 +++++---------------- .../delta/58/07push_summary_unread_count.sql | 23 ---- 2 files changed, 28 insertions(+), 128 deletions(-) delete mode 100644 synapse/storage/data_stores/main/schema/delta/58/07push_summary_unread_count.sql (limited to 'synapse/storage') diff --git a/synapse/storage/data_stores/main/event_push_actions.py b/synapse/storage/data_stores/main/event_push_actions.py index 815d52ab4c..bc9f4f08ea 100644 --- a/synapse/storage/data_stores/main/event_push_actions.py +++ b/synapse/storage/data_stores/main/event_push_actions.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- -# Copyright 2015-2020 The Matrix.org Foundation C.I.C. +# Copyright 2015 OpenMarket Ltd +# Copyright 2018 New Vector Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -14,9 +15,7 @@ # limitations under the License. import logging -from typing import Dict, Tuple -import attr from canonicaljson import json from twisted.internet import defer @@ -37,16 +36,6 @@ DEFAULT_HIGHLIGHT_ACTION = [ ] -@attr.s -class EventPushSummary: - """Summary of pending event push actions for a given user in a given room.""" - - unread_count = attr.ib(type=int) - stream_ordering = attr.ib(type=int) - old_user_id = attr.ib(type=str) - notif_count = attr.ib(type=int) - - def _serialize_action(actions, is_highlight): """Custom serializer for actions. This allows us to "compress" common actions. @@ -123,7 +112,7 @@ class EventPushActionsWorkerStore(SQLBaseStore): txn.execute(sql, (room_id, last_read_event_id)) results = txn.fetchall() if len(results) == 0: - return {"notify_count": 0, "highlight_count": 0, "unread_count": 0} + return {"notify_count": 0, "highlight_count": 0} stream_ordering = results[0][0] @@ -133,42 +122,25 @@ class EventPushActionsWorkerStore(SQLBaseStore): def _get_unread_counts_by_pos_txn(self, txn, room_id, user_id, stream_ordering): - # First get number of actions, grouped on whether the action notifies. + # First get number of notifications. + # We don't need to put a notif=1 clause as all rows always have + # notif=1 sql = ( - "SELECT count(*), notif" + "SELECT count(*)" " FROM event_push_actions ea" " WHERE" " user_id = ?" " AND room_id = ?" " AND stream_ordering > ?" - " GROUP BY notif" ) - txn.execute(sql, (user_id, room_id, stream_ordering)) - rows = txn.fetchall() - # We should get a maximum number of two rows: one for notif = 0, which is the - # number of actions that contribute to the unread_count but not to the - # notify_count, and one for notif = 1, which is the number of actions that - # contribute to both counters. If one or both rows don't appear, then the - # value for the matching counter should be 0. - unread_count = 0 - notify_count = 0 - for row in rows: - # We always increment unread_count because actions that notify also - # contribute to it. - unread_count += row[0] - if row[1] == 1: - notify_count = row[0] - elif row[1] != 0: - logger.warning( - "Unexpected value %d for column 'notif' in table" - " 'event_push_actions'", - row[1], - ) + txn.execute(sql, (user_id, room_id, stream_ordering)) + row = txn.fetchone() + notify_count = row[0] if row else 0 txn.execute( """ - SELECT notif_count, unread_count FROM event_push_summary + SELECT notif_count FROM event_push_summary WHERE room_id = ? AND user_id = ? AND stream_ordering > ? """, (room_id, user_id, stream_ordering), @@ -176,7 +148,6 @@ class EventPushActionsWorkerStore(SQLBaseStore): rows = txn.fetchall() if rows: notify_count += rows[0][0] - unread_count += rows[0][1] # Now get the number of highlights sql = ( @@ -193,11 +164,7 @@ class EventPushActionsWorkerStore(SQLBaseStore): row = txn.fetchone() highlight_count = row[0] if row else 0 - return { - "unread_count": unread_count, - "notify_count": notify_count, - "highlight_count": highlight_count, - } + return {"notify_count": notify_count, "highlight_count": highlight_count} @defer.inlineCallbacks def get_push_action_users_in_range(self, min_stream_ordering, max_stream_ordering): @@ -255,7 +222,6 @@ class EventPushActionsWorkerStore(SQLBaseStore): " AND ep.user_id = ?" " AND ep.stream_ordering > ?" " AND ep.stream_ordering <= ?" - " AND ep.notif = 1" " ORDER BY ep.stream_ordering ASC LIMIT ?" ) args = [user_id, user_id, min_stream_ordering, max_stream_ordering, limit] @@ -284,7 +250,6 @@ class EventPushActionsWorkerStore(SQLBaseStore): " AND ep.user_id = ?" " AND ep.stream_ordering > ?" " AND ep.stream_ordering <= ?" - " AND ep.notif = 1" " ORDER BY ep.stream_ordering ASC LIMIT ?" ) args = [user_id, user_id, min_stream_ordering, max_stream_ordering, limit] @@ -357,7 +322,6 @@ class EventPushActionsWorkerStore(SQLBaseStore): " AND ep.user_id = ?" " AND ep.stream_ordering > ?" " AND ep.stream_ordering <= ?" - " AND ep.notif = 1" " ORDER BY ep.stream_ordering DESC LIMIT ?" ) args = [user_id, user_id, min_stream_ordering, max_stream_ordering, limit] @@ -386,7 +350,6 @@ class EventPushActionsWorkerStore(SQLBaseStore): " AND ep.user_id = ?" " AND ep.stream_ordering > ?" " AND ep.stream_ordering <= ?" - " AND ep.notif = 1" " ORDER BY ep.stream_ordering DESC LIMIT ?" ) args = [user_id, user_id, min_stream_ordering, max_stream_ordering, limit] @@ -436,7 +399,7 @@ class EventPushActionsWorkerStore(SQLBaseStore): def _get_if_maybe_push_in_range_for_user_txn(txn): sql = """ SELECT 1 FROM event_push_actions - WHERE user_id = ? AND stream_ordering > ? AND notif = 1 + WHERE user_id = ? AND stream_ordering > ? LIMIT 1 """ @@ -465,15 +428,14 @@ class EventPushActionsWorkerStore(SQLBaseStore): return # This is a helper function for generating the necessary tuple that - # can be used to insert into the `event_push_actions_staging` table. + # can be used to inert into the `event_push_actions_staging` table. def _gen_entry(user_id, actions): is_highlight = 1 if _action_has_highlight(actions) else 0 - notif = 0 if "org.matrix.msc2625.mark_unread" in actions else 1 return ( event_id, # event_id column user_id, # user_id column _serialize_action(actions, is_highlight), # actions column - notif, # notif column + 1, # notif column is_highlight, # highlight column ) @@ -855,51 +817,24 @@ class EventPushActionsStore(EventPushActionsWorkerStore): # Calculate the new counts that should be upserted into event_push_summary sql = """ SELECT user_id, room_id, - coalesce(old.%s, 0) + upd.cnt, + coalesce(old.notif_count, 0) + upd.notif_count, upd.stream_ordering, old.user_id FROM ( - SELECT user_id, room_id, count(*) as cnt, + SELECT user_id, room_id, count(*) as notif_count, max(stream_ordering) as stream_ordering FROM event_push_actions WHERE ? <= stream_ordering AND stream_ordering < ? AND highlight = 0 - %s GROUP BY user_id, room_id ) AS upd LEFT JOIN event_push_summary AS old USING (user_id, room_id) """ - # First get the count of unread messages. - txn.execute( - sql % ("unread_count", ""), - (old_rotate_stream_ordering, rotate_to_stream_ordering), - ) - - # We need to merge both lists into a single object because we might not have the - # same amount of rows in each of them. In this case we use a dict indexed on the - # user ID and room ID to make it easier to populate. - summaries = {} # type: Dict[Tuple[str, str], EventPushSummary] - for row in txn: - summaries[(row[0], row[1])] = EventPushSummary( - unread_count=row[2], - stream_ordering=row[3], - old_user_id=row[4], - notif_count=0, - ) - - # Then get the count of notifications. - txn.execute( - sql % ("notif_count", "AND notif = 1"), - (old_rotate_stream_ordering, rotate_to_stream_ordering), - ) - - # notif_rows is populated based on a subset of the query used to populate - # unread_rows, so we can be sure that there will be no KeyError here. - for row in txn: - summaries[(row[0], row[1])].notif_count = row[2] + txn.execute(sql, (old_rotate_stream_ordering, rotate_to_stream_ordering)) + rows = txn.fetchall() - logger.info("Rotating notifications, handling %d rows", len(summaries)) + logger.info("Rotating notifications, handling %d rows", len(rows)) # If the `old.user_id` above is NULL then we know there isn't already an # entry in the table, so we simply insert it. Otherwise we update the @@ -909,34 +844,22 @@ class EventPushActionsStore(EventPushActionsWorkerStore): table="event_push_summary", values=[ { - "user_id": user_id, - "room_id": room_id, - "notif_count": summary.notif_count, - "unread_count": summary.unread_count, - "stream_ordering": summary.stream_ordering, + "user_id": row[0], + "room_id": row[1], + "notif_count": row[2], + "stream_ordering": row[3], } - for ((user_id, room_id), summary) in summaries.items() - if summary.old_user_id is None + for row in rows + if row[4] is None ], ) txn.executemany( """ - UPDATE event_push_summary - SET notif_count = ?, unread_count = ?, stream_ordering = ? + UPDATE event_push_summary SET notif_count = ?, stream_ordering = ? WHERE user_id = ? AND room_id = ? """, - ( - ( - summary.notif_count, - summary.unread_count, - summary.stream_ordering, - user_id, - room_id, - ) - for ((user_id, room_id), summary) in summaries.items() - if summary.old_user_id is not None - ), + ((row[2], row[3], row[0], row[1]) for row in rows if row[4] is not None), ) txn.execute( diff --git a/synapse/storage/data_stores/main/schema/delta/58/07push_summary_unread_count.sql b/synapse/storage/data_stores/main/schema/delta/58/07push_summary_unread_count.sql deleted file mode 100644 index f1459ef7f0..0000000000 --- a/synapse/storage/data_stores/main/schema/delta/58/07push_summary_unread_count.sql +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright 2020 The Matrix.org Foundation C.I.C - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - --- Store the number of unread messages, i.e. messages that triggered either a notify --- action or a mark_unread one. -ALTER TABLE event_push_summary ADD COLUMN unread_count BIGINT NOT NULL DEFAULT 0; - --- Pre-populate the new column with the count of pending notifications. --- We expect event_push_summary to be relatively small, so we can do this update --- synchronously without impacting Synapse's startup time too much. -UPDATE event_push_summary SET unread_count = notif_count; \ No newline at end of file -- cgit 1.4.1