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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.
42 lines
1.8 KiB
SQL
42 lines
1.8 KiB
SQL
/* Copyright 2017 New Vector 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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-- this didn't work on SQLite 3.7 (because of lack of partial indexes), so was
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-- removed and replaced with 46/local_media_repository_url_idx.sql.
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--
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-- CREATE INDEX local_media_repository_url_idx ON local_media_repository(created_ts) WHERE url_cache IS NOT NULL;
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-- we need to change `expires` to `expires_ts` so that we can index on it. SQLite doesn't support
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-- indices on expressions until 3.9.
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CREATE TABLE local_media_repository_url_cache_new(
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url TEXT,
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response_code INTEGER,
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etag TEXT,
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expires_ts BIGINT,
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og TEXT,
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media_id TEXT,
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download_ts BIGINT
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);
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INSERT INTO local_media_repository_url_cache_new
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SELECT url, response_code, etag, expires + download_ts, og, media_id, download_ts FROM local_media_repository_url_cache;
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DROP TABLE local_media_repository_url_cache;
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ALTER TABLE local_media_repository_url_cache_new RENAME TO local_media_repository_url_cache;
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CREATE INDEX local_media_repository_url_cache_expires_idx ON local_media_repository_url_cache(expires_ts);
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CREATE INDEX local_media_repository_url_cache_by_url_download_ts ON local_media_repository_url_cache(url, download_ts);
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CREATE INDEX local_media_repository_url_cache_media_idx ON local_media_repository_url_cache(media_id);
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