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Fix summary rotation

This commit is contained in:
Brendan Abolivier 2020-06-12 11:07:26 +01:00
parent cb6d4d07b1
commit 3cc7f43e8d
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1 changed files with 35 additions and 12 deletions
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47
synapse/storage/data_stores/main/event_push_actions.py
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@ -865,7 +865,7 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
sql % ("unread_count", "unread_count", "unread_count", ""), sql % ("unread_count", "unread_count", "unread_count", ""),
(old_rotate_stream_ordering, rotate_to_stream_ordering), (old_rotate_stream_ordering, rotate_to_stream_ordering),
) )
rows = txn.fetchall() unread_rows = txn.fetchall()
# Then get the count of notifications. # Then get the count of notifications.
txn.execute( txn.execute(
@ -874,7 +874,24 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
) )
notif_rows = txn.fetchall() notif_rows = txn.fetchall()
logger.info("Rotating notifications, handling %d rows", len(rows)) # 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 = {}
for row in unread_rows:
summaries[(row[0], row[1])] = {
"unread_count": row[2],
"stream_ordering": row[3],
"old_user_id": row[4],
"notif_count": 0,
}
# 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 notif_rows:
summaries[(row[0], row[1])]["notif_count"] = row[2]
logger.info("Rotating notifications, handling %d rows", len(summaries))
# If the `old.user_id` above is NULL then we know there isn't already an # 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 # entry in the table, so we simply insert it. Otherwise we update the
@ -884,14 +901,14 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
table="event_push_summary", table="event_push_summary",
values=[ values=[
{ {
"user_id": rows[i][0], "user_id": key[0],
"room_id": rows[i][1], "room_id": key[1],
"notif_count": notif_rows[i][2], "notif_count": summary["notif_count"],
"unread_count": rows[i][2], "unread_count": summary["unread_count"],
"stream_ordering": rows[i][3], "stream_ordering": summary["stream_ordering"],
} }
for i, _ in enumerate(rows) for key, summary in summaries.items()
if rows[i][4] is None if summary["old_user_id"] is None
], ],
) )
@ -902,9 +919,15 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
WHERE user_id = ? AND room_id = ? WHERE user_id = ? AND room_id = ?
""", """,
( (
(notif_rows[i][2], rows[i][2], rows[i][3], rows[i][0], rows[i][1]) (
for i, _ in enumerate(rows) summary["notif_count"],
if rows[i][4] is not None summary["unread_count"],
summary["stream_ordering"],
key[0],
key[1],
)
for key, summary in summaries.items()
if summary["old_user_id"] is not None
), ),
) )