forked from MirrorHub/synapse
36 lines
1.4 KiB
SQL
36 lines
1.4 KiB
SQL
/* 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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*/
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-- Add a column that records the position of the read receipt for the user at
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-- the time we summarised the push actions. This is used to check if the counts
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-- are up to date after a new read receipt has been sent.
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--
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-- Null means that we can skip that check, as the row was written by an older
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-- version of Synapse that updated `event_push_summary` synchronously when
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-- persisting a new read receipt
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ALTER TABLE event_push_summary ADD COLUMN last_receipt_stream_ordering BIGINT;
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-- Tracks which new receipts we've handled
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CREATE TABLE event_push_summary_last_receipt_stream_id (
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Lock CHAR(1) NOT NULL DEFAULT 'X' UNIQUE, -- Makes sure this table only has one row.
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stream_id BIGINT NOT NULL,
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CHECK (Lock='X')
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);
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INSERT INTO event_push_summary_last_receipt_stream_id (stream_id)
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SELECT COALESCE(MAX(stream_id), 0)
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FROM receipts_linearized;
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