65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
# Copyright 2022 The Matrix.org Foundation C.I.C.
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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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import json
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from synapse.storage.database import LoggingTransaction
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from synapse.storage.engines import BaseDatabaseEngine, Sqlite3Engine
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def run_create(cur: LoggingTransaction, database_engine: BaseDatabaseEngine) -> None:
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"""
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Upgrade the event_search table to use the porter tokenizer if it isn't already
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Applies only for sqlite.
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"""
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if not isinstance(database_engine, Sqlite3Engine):
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return
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# Rebuild the table event_search table with tokenize=porter configured.
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cur.execute("DROP TABLE event_search")
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cur.execute(
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"""
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CREATE VIRTUAL TABLE event_search
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USING fts4 (tokenize=porter, event_id, room_id, sender, key, value )
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"""
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)
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# Re-run the background job to re-populate the event_search table.
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cur.execute("SELECT MIN(stream_ordering) FROM events")
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row = cur.fetchone()
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assert row is not None
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min_stream_id = row[0]
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# If there are not any events, nothing to do.
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if min_stream_id is None:
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return
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cur.execute("SELECT MAX(stream_ordering) FROM events")
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row = cur.fetchone()
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assert row is not None
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max_stream_id = row[0]
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progress = {
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"target_min_stream_id_inclusive": min_stream_id,
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"max_stream_id_exclusive": max_stream_id + 1,
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}
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progress_json = json.dumps(progress)
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sql = """
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INSERT into background_updates (ordering, update_name, progress_json)
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VALUES (?, ?, ?)
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"""
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cur.execute(sql, (7310, "event_search", progress_json))
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