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Add state_group index to event_to_state_groups
This is needed to efficiently check for unreferenced state groups during purge.
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17d585753f
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4917ff5523
synapse/storage
@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
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# Remember to update this number every time a change is made to database
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# schema files, so the users will be informed on server restarts.
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SCHEMA_VERSION = 51
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SCHEMA_VERSION = 52
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dir_path = os.path.abspath(os.path.dirname(__file__))
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@ -0,0 +1,19 @@
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/* Copyright 2018 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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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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*/
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-- This is needed to efficiently check for unreferenced state groups during
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-- purge. Added events_to_state_group(state_group) index
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INSERT into background_updates (update_name, progress_json)
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VALUES ('event_to_state_groups_sg_index', '{}');
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@ -1114,6 +1114,7 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore):
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STATE_GROUP_DEDUPLICATION_UPDATE_NAME = "state_group_state_deduplication"
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STATE_GROUP_INDEX_UPDATE_NAME = "state_group_state_type_index"
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CURRENT_STATE_INDEX_UPDATE_NAME = "current_state_members_idx"
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EVENT_STATE_GROUP_INDEX_UPDATE_NAME = "event_to_state_groups_sg_index"
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def __init__(self, db_conn, hs):
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super(StateStore, self).__init__(db_conn, hs)
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@ -1132,6 +1133,12 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore):
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columns=["state_key"],
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where_clause="type='m.room.member'",
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)
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self.register_background_index_update(
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self.EVENT_STATE_GROUP_INDEX_UPDATE_NAME,
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index_name="event_to_state_groups_sg_index",
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table="event_to_state_groups",
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columns=["state_group"],
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)
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def _store_event_state_mappings_txn(self, txn, events_and_contexts):
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state_groups = {}
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