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https://github.com/element-hq/synapse
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Ignore depth when updating read-receipts
Order read receipts by stream ordering instead of depth
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parent
c2c3092cce
commit
857e6fd8b6
1 changed files with 37 additions and 30 deletions
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@ -13,7 +13,7 @@
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.api.errors import NotFoundError
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from ._base import SQLBaseStore
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from .util.id_generators import StreamIdGenerator
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from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList, cached
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@ -332,6 +332,41 @@ class ReceiptsStore(ReceiptsWorkerStore):
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def insert_linearized_receipt_txn(self, txn, room_id, receipt_type,
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user_id, event_id, data, stream_id):
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res = self._simple_select_one_txn(
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txn,
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table="events",
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retcols=["topological_ordering", "stream_ordering"],
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keyvalues={"event_id": event_id},
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allow_none=True
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)
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if not res:
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raise NotFoundError(
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"Cannot set read receipt on unknown event %s" % (
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event_id,
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),
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)
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stream_ordering = int(res["stream_ordering"])
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# We don't want to clobber receipts for more recent events, so we
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# have to compare orderings of existing receipts
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sql = (
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"SELECT stream_ordering, event_id FROM events"
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" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
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" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
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)
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txn.execute(sql, (room_id, receipt_type, user_id))
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for so, eid in txn:
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if int(so) >= stream_ordering:
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logger.debug(
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"Ignoring new receipt for %s in favour of existing "
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"one for later event %s",
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event_id, eid,
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)
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return False
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txn.call_after(
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self.get_receipts_for_room.invalidate, (room_id, receipt_type)
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)
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@ -355,34 +390,6 @@ class ReceiptsStore(ReceiptsWorkerStore):
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(user_id, room_id, receipt_type)
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)
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res = self._simple_select_one_txn(
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txn,
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table="events",
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retcols=["topological_ordering", "stream_ordering"],
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keyvalues={"event_id": event_id},
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allow_none=True
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)
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topological_ordering = int(res["topological_ordering"]) if res else None
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stream_ordering = int(res["stream_ordering"]) if res else None
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# We don't want to clobber receipts for more recent events, so we
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# have to compare orderings of existing receipts
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sql = (
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"SELECT topological_ordering, stream_ordering, event_id FROM events"
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" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
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" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
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)
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txn.execute(sql, (room_id, receipt_type, user_id))
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if topological_ordering:
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for to, so, _ in txn:
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if int(to) > topological_ordering:
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return False
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elif int(to) == topological_ordering and int(so) >= stream_ordering:
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return False
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self._simple_delete_txn(
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txn,
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table="receipts_linearized",
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@ -406,7 +413,7 @@ class ReceiptsStore(ReceiptsWorkerStore):
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}
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)
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if receipt_type == "m.read" and topological_ordering:
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if receipt_type == "m.read":
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self._remove_old_push_actions_before_txn(
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txn,
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room_id=room_id,
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