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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.
24 lines
908 B
SQL
24 lines
908 B
SQL
/* 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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*/
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CREATE TABLE IF NOT EXISTS appservice_stream_position(
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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_ordering BIGINT,
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CHECK (Lock='X')
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);
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INSERT INTO appservice_stream_position (stream_ordering)
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SELECT COALESCE(MAX(stream_ordering), 0) FROM events;
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