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Ignore depth when updating read-receipts

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Order read receipts by stream ordering instead of depth
This commit is contained in:
Richard van der Hoff 2018-06-01 12:18:11 +01:00
parent c2c3092cce
commit 857e6fd8b6
1 changed files with 37 additions and 30 deletions
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67
synapse/storage/receipts.py
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@ -13,7 +13,7 @@
# 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.
from synapse.api.errors import NotFoundError
from ._base import SQLBaseStore
from .util.id_generators import StreamIdGenerator
from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList, cached
@ -332,6 +332,41 @@ class ReceiptsStore(ReceiptsWorkerStore):
def insert_linearized_receipt_txn(self, txn, room_id, receipt_type,
user_id, event_id, data, stream_id):
res = self._simple_select_one_txn(
txn,
table="events",
retcols=["topological_ordering", "stream_ordering"],
keyvalues={"event_id": event_id},
allow_none=True
)
if not res:
raise NotFoundError(
"Cannot set read receipt on unknown event %s" % (
event_id,
),
)
stream_ordering = int(res["stream_ordering"])
# We don't want to clobber receipts for more recent events, so we
# have to compare orderings of existing receipts
sql = (
"SELECT stream_ordering, event_id FROM events"
" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
)
txn.execute(sql, (room_id, receipt_type, user_id))
for so, eid in txn:
if int(so) >= stream_ordering:
logger.debug(
"Ignoring new receipt for %s in favour of existing "
"one for later event %s",
event_id, eid,
)
return False
txn.call_after(
self.get_receipts_for_room.invalidate, (room_id, receipt_type)
)
@ -355,34 +390,6 @@ class ReceiptsStore(ReceiptsWorkerStore):
(user_id, room_id, receipt_type)
)
res = self._simple_select_one_txn(
txn,
table="events",
retcols=["topological_ordering", "stream_ordering"],
keyvalues={"event_id": event_id},
allow_none=True
)
topological_ordering = int(res["topological_ordering"]) if res else None
stream_ordering = int(res["stream_ordering"]) if res else None
# We don't want to clobber receipts for more recent events, so we
# have to compare orderings of existing receipts
sql = (
"SELECT topological_ordering, stream_ordering, event_id FROM events"
" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
)
txn.execute(sql, (room_id, receipt_type, user_id))
if topological_ordering:
for to, so, _ in txn:
if int(to) > topological_ordering:
return False
elif int(to) == topological_ordering and int(so) >= stream_ordering:
return False
self._simple_delete_txn(
txn,
table="receipts_linearized",
@ -406,7 +413,7 @@ class ReceiptsStore(ReceiptsWorkerStore):
}
)
if receipt_type == "m.read" and topological_ordering:
if receipt_type == "m.read":
self._remove_old_push_actions_before_txn(
txn,
room_id=room_id,