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c66a06ac6b
This is in preparation for having multiple data stores that offer different functionality, e.g. splitting out state or event storage.
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
# Copyright 2016 OpenMarket 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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import logging
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import simplejson
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from synapse.storage.engines import PostgresEngine
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from synapse.storage.prepare_database import get_statements
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logger = logging.getLogger(__name__)
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ALTER_TABLE = """
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ALTER TABLE event_search ADD COLUMN origin_server_ts BIGINT;
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ALTER TABLE event_search ADD COLUMN stream_ordering BIGINT;
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"""
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def run_create(cur, database_engine, *args, **kwargs):
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if not isinstance(database_engine, PostgresEngine):
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return
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for statement in get_statements(ALTER_TABLE.splitlines()):
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cur.execute(statement)
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cur.execute("SELECT MIN(stream_ordering) FROM events")
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rows = cur.fetchall()
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min_stream_id = rows[0][0]
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cur.execute("SELECT MAX(stream_ordering) FROM events")
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rows = cur.fetchall()
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max_stream_id = rows[0][0]
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if min_stream_id is not None and max_stream_id is not None:
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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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"rows_inserted": 0,
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"have_added_indexes": False,
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}
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progress_json = simplejson.dumps(progress)
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sql = (
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"INSERT into background_updates (update_name, progress_json)"
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" VALUES (?, ?)"
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)
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sql = database_engine.convert_param_style(sql)
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cur.execute(sql, ("event_search_order", progress_json))
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def run_upgrade(cur, database_engine, *args, **kwargs):
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pass
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