diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/storage/data_stores/main/events_bg_updates.py | 57 | ||||
| -rw-r--r-- | synapse/storage/data_stores/main/schema/delta/56/event_labels_background_update.sql | 17 |
2 files changed, 74 insertions, 0 deletions
diff --git a/synapse/storage/data_stores/main/events_bg_updates.py b/synapse/storage/data_stores/main/events_bg_updates.py index 51352b9966..a703927471 100644 --- a/synapse/storage/data_stores/main/events_bg_updates.py +++ b/synapse/storage/data_stores/main/events_bg_updates.py @@ -21,6 +21,7 @@ from canonicaljson import json from twisted.internet import defer +from synapse.api.constants import EventContentFields from synapse.storage._base import make_in_list_sql_clause from synapse.storage.background_updates import BackgroundUpdateStore @@ -85,6 +86,10 @@ class EventsBackgroundUpdatesStore(BackgroundUpdateStore): "event_fix_redactions_bytes", self._event_fix_redactions_bytes ) + self.register_background_update_handler( + "event_store_labels", self._event_store_labels + ) + @defer.inlineCallbacks def _background_reindex_fields_sender(self, progress, batch_size): target_min_stream_id = progress["target_min_stream_id_inclusive"] @@ -503,3 +508,55 @@ class EventsBackgroundUpdatesStore(BackgroundUpdateStore): yield self._end_background_update("event_fix_redactions_bytes") return 1 + + @defer.inlineCallbacks + def _event_store_labels(self, progress, batch_size): + """Stores labels for events.""" + last_event_id = progress.get("last_event_id", "") + + def _event_store_labels_txn(txn): + txn.execute( + """ + SELECT event_id, json FROM event_json + LEFT JOIN event_labels USING (event_id) + WHERE event_id > ? AND label IS NULL + ORDER BY event_id LIMIT ? + """, + (last_event_id, batch_size), + ) + + rows = self.cursor_to_dict(txn) + if not rows: + return True, 0 + + for row in rows: + event_id = row["event_id"] + event_json = json.loads(row["json"]) + + self._simple_insert_many_txn( + txn=txn, + table="event_labels", + values=[ + {"event_id": event_id, "label": label} + for label in event_json["content"].get( + EventContentFields.Labels, [] + ) + ], + ) + + self._background_update_progress_txn( + txn, "event_store_labels", {"last_event_id": event_id} + ) + + # We want to return true (to end the background update) only when + # the query returned with less rows than we asked for. + return len(rows) != batch_size, len(rows) + + end, num_rows = yield self.runInteraction( + desc="event_store_labels", func=_event_store_labels_txn + ) + + if end: + yield self._end_background_update("event_store_labels") + + return num_rows diff --git a/synapse/storage/data_stores/main/schema/delta/56/event_labels_background_update.sql b/synapse/storage/data_stores/main/schema/delta/56/event_labels_background_update.sql new file mode 100644 index 0000000000..5f5e0499ae --- /dev/null +++ b/synapse/storage/data_stores/main/schema/delta/56/event_labels_background_update.sql @@ -0,0 +1,17 @@ +/* Copyright 2019 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. + */ + +INSERT INTO background_updates (update_name, progress_json) VALUES + ('event_store_labels', '{}'); |