diff options
Diffstat (limited to 'synapse/storage')
-rw-r--r-- | synapse/storage/media_repository.py | 71 | ||||
-rw-r--r-- | synapse/storage/prepare_database.py | 2 | ||||
-rw-r--r-- | synapse/storage/schema/delta/44/expire_url_cache.sql | 38 |
3 files changed, 105 insertions, 6 deletions
diff --git a/synapse/storage/media_repository.py b/synapse/storage/media_repository.py index 82bb61b811..7110a71279 100644 --- a/synapse/storage/media_repository.py +++ b/synapse/storage/media_repository.py @@ -62,7 +62,7 @@ class MediaRepositoryStore(SQLBaseStore): def get_url_cache_txn(txn): # get the most recently cached result (relative to the given ts) sql = ( - "SELECT response_code, etag, expires, og, media_id, download_ts" + "SELECT response_code, etag, expires_ts, og, media_id, download_ts" " FROM local_media_repository_url_cache" " WHERE url = ? AND download_ts <= ?" " ORDER BY download_ts DESC LIMIT 1" @@ -74,7 +74,7 @@ class MediaRepositoryStore(SQLBaseStore): # ...or if we've requested a timestamp older than the oldest # copy in the cache, return the oldest copy (if any) sql = ( - "SELECT response_code, etag, expires, og, media_id, download_ts" + "SELECT response_code, etag, expires_ts, og, media_id, download_ts" " FROM local_media_repository_url_cache" " WHERE url = ? AND download_ts > ?" " ORDER BY download_ts ASC LIMIT 1" @@ -86,14 +86,14 @@ class MediaRepositoryStore(SQLBaseStore): return None return dict(zip(( - 'response_code', 'etag', 'expires', 'og', 'media_id', 'download_ts' + 'response_code', 'etag', 'expires_ts', 'og', 'media_id', 'download_ts' ), row)) return self.runInteraction( "get_url_cache", get_url_cache_txn ) - def store_url_cache(self, url, response_code, etag, expires, og, media_id, + def store_url_cache(self, url, response_code, etag, expires_ts, og, media_id, download_ts): return self._simple_insert( "local_media_repository_url_cache", @@ -101,7 +101,7 @@ class MediaRepositoryStore(SQLBaseStore): "url": url, "response_code": response_code, "etag": etag, - "expires": expires, + "expires_ts": expires_ts, "og": og, "media_id": media_id, "download_ts": download_ts, @@ -238,3 +238,64 @@ class MediaRepositoryStore(SQLBaseStore): }, ) return self.runInteraction("delete_remote_media", delete_remote_media_txn) + + def get_expired_url_cache(self, now_ts): + sql = ( + "SELECT media_id FROM local_media_repository_url_cache" + " WHERE expires_ts < ?" + " ORDER BY expires_ts ASC" + " LIMIT 500" + ) + + def _get_expired_url_cache_txn(txn): + txn.execute(sql, (now_ts,)) + return [row[0] for row in txn] + + return self.runInteraction("get_expired_url_cache", _get_expired_url_cache_txn) + + def delete_url_cache(self, media_ids): + sql = ( + "DELETE FROM local_media_repository_url_cache" + " WHERE media_id = ?" + ) + + def _delete_url_cache_txn(txn): + txn.executemany(sql, [(media_id,) for media_id in media_ids]) + + return self.runInteraction("delete_url_cache", _delete_url_cache_txn) + + def get_url_cache_media_before(self, before_ts): + sql = ( + "SELECT media_id FROM local_media_repository" + " WHERE created_ts < ? AND url_cache IS NOT NULL" + " ORDER BY created_ts ASC" + " LIMIT 500" + ) + + def _get_url_cache_media_before_txn(txn): + txn.execute(sql, (before_ts,)) + return [row[0] for row in txn] + + return self.runInteraction( + "get_url_cache_media_before", _get_url_cache_media_before_txn, + ) + + def delete_url_cache_media(self, media_ids): + def _delete_url_cache_media_txn(txn): + sql = ( + "DELETE FROM local_media_repository" + " WHERE media_id = ?" + ) + + txn.executemany(sql, [(media_id,) for media_id in media_ids]) + + sql = ( + "DELETE FROM local_media_repository_thumbnails" + " WHERE media_id = ?" + ) + + txn.executemany(sql, [(media_id,) for media_id in media_ids]) + + return self.runInteraction( + "delete_url_cache_media", _delete_url_cache_media_txn, + ) diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py index 72b670b83b..a0af8456f5 100644 --- a/synapse/storage/prepare_database.py +++ b/synapse/storage/prepare_database.py @@ -25,7 +25,7 @@ logger = logging.getLogger(__name__) # Remember to update this number every time a change is made to database # schema files, so the users will be informed on server restarts. -SCHEMA_VERSION = 43 +SCHEMA_VERSION = 44 dir_path = os.path.abspath(os.path.dirname(__file__)) diff --git a/synapse/storage/schema/delta/44/expire_url_cache.sql b/synapse/storage/schema/delta/44/expire_url_cache.sql new file mode 100644 index 0000000000..e2b775f038 --- /dev/null +++ b/synapse/storage/schema/delta/44/expire_url_cache.sql @@ -0,0 +1,38 @@ +/* Copyright 2017 New Vector Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +CREATE INDEX local_media_repository_url_idx ON local_media_repository(created_ts) WHERE url_cache IS NOT NULL; + +-- we need to change `expires` to `expires_ts` so that we can index on it. SQLite doesn't support +-- indices on expressions until 3.9. +CREATE TABLE local_media_repository_url_cache_new( + url TEXT, + response_code INTEGER, + etag TEXT, + expires_ts BIGINT, + og TEXT, + media_id TEXT, + download_ts BIGINT +); + +INSERT INTO local_media_repository_url_cache_new + SELECT url, response_code, etag, expires + download_ts, og, media_id, download_ts FROM local_media_repository_url_cache; + +DROP TABLE local_media_repository_url_cache; +ALTER TABLE local_media_repository_url_cache_new RENAME TO local_media_repository_url_cache; + +CREATE INDEX local_media_repository_url_cache_expires_idx ON local_media_repository_url_cache(expires_ts); +CREATE INDEX local_media_repository_url_cache_by_url_download_ts ON local_media_repository_url_cache(url, download_ts); +CREATE INDEX local_media_repository_url_cache_media_idx ON local_media_repository_url_cache(media_id); |