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Before Synapse 1.31 (#9411), we relied on `outlier` being stored in the `internal_metadata` column. We can now assume nobody will roll back their deployment that far and drop the legacy support.
53 lines
2.3 KiB
Python
53 lines
2.3 KiB
Python
# Copyright 2021 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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SCHEMA_VERSION = 64 # remember to update the list below when updating
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"""Represents the expectations made by the codebase about the database schema
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This should be incremented whenever the codebase changes its requirements on the
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shape of the database schema (even if those requirements are backwards-compatible with
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older versions of Synapse).
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See https://matrix-org.github.io/synapse/develop/development/database_schema.html
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for more information on how this works.
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Changes in SCHEMA_VERSION = 61:
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- The `user_stats_historical` and `room_stats_historical` tables are not written and
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are not read (previously, they were written but not read).
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- MSC2716: Add `insertion_events` and `insertion_event_edges` tables to keep track
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of insertion events in order to navigate historical chunks of messages.
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- MSC2716: Add `chunk_events` table to track how the chunk is labeled and
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determines which insertion event it points to.
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Changes in SCHEMA_VERSION = 62:
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- MSC2716: Add `insertion_event_extremities` table that keeps track of which
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insertion events need to be backfilled.
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Changes in SCHEMA_VERSION = 63:
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- The `public_room_list_stream` table is not written nor read to
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(previously, it was written and read to, but not for any significant purpose).
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https://github.com/matrix-org/synapse/pull/10565
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Changes in SCHEMA_VERSION = 64:
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- MSC2716: Rename related tables and columns from "chunks" to "batches".
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"""
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SCHEMA_COMPAT_VERSION = 60 # 60: "outlier" not in internal_metadata.
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"""Limit on how far the synapse codebase can be rolled back without breaking db compat
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This value is stored in the database, and checked on startup. If the value in the
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database is greater than SCHEMA_VERSION, then Synapse will refuse to start.
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"""
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