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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.
34 lines
1.3 KiB
SQL
34 lines
1.3 KiB
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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/* We used to create a table called current_state_resets, but this is no
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* longer used and is removed in delta 54.
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*/
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/* The outlier events that have aquired a state group typically through
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* backfill. This is tracked separately to the events table, as assigning a
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* state group change the position of the existing event in the stream
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* ordering.
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* However since a stream_ordering is assigned in persist_event for the
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* (event, state) pair, we can use that stream_ordering to identify when
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* the new state was assigned for the event.
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*/
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CREATE TABLE IF NOT EXISTS ex_outlier_stream(
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event_stream_ordering BIGINT PRIMARY KEY NOT NULL,
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event_id TEXT NOT NULL,
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state_group BIGINT NOT NULL
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);
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