diff options
Diffstat (limited to 'synapse/storage/databases')
3 files changed, 134 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/media_repository.py b/synapse/storage/databases/main/media_repository.py index 86557d5512..1d76c761a6 100644 --- a/synapse/storage/databases/main/media_repository.py +++ b/synapse/storage/databases/main/media_repository.py @@ -17,6 +17,10 @@ from typing import Any, Dict, Iterable, List, Optional, Tuple from synapse.storage._base import SQLBaseStore from synapse.storage.database import DatabasePool +BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD = ( + "media_repository_drop_index_wo_method" +) + class MediaRepositoryBackgroundUpdateStore(SQLBaseStore): def __init__(self, database: DatabasePool, db_conn, hs): @@ -32,6 +36,59 @@ class MediaRepositoryBackgroundUpdateStore(SQLBaseStore): where_clause="url_cache IS NOT NULL", ) + # The following the updates add the method to the unique constraint of + # the thumbnail databases. That fixes an issue, where thumbnails of the + # same resolution, but different methods could overwrite one another. + # This can happen with custom thumbnail configs or with dynamic thumbnailing. + self.db_pool.updates.register_background_index_update( + update_name="local_media_repository_thumbnails_method_idx", + index_name="local_media_repository_thumbn_media_id_width_height_method_key", + table="local_media_repository_thumbnails", + columns=[ + "media_id", + "thumbnail_width", + "thumbnail_height", + "thumbnail_type", + "thumbnail_method", + ], + unique=True, + ) + + self.db_pool.updates.register_background_index_update( + update_name="remote_media_repository_thumbnails_method_idx", + index_name="remote_media_repository_thumbn_media_origin_id_width_height_method_key", + table="remote_media_cache_thumbnails", + columns=[ + "media_origin", + "media_id", + "thumbnail_width", + "thumbnail_height", + "thumbnail_type", + "thumbnail_method", + ], + unique=True, + ) + + self.db_pool.updates.register_background_update_handler( + BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD, + self._drop_media_index_without_method, + ) + + async def _drop_media_index_without_method(self, progress, batch_size): + def f(txn): + txn.execute( + "ALTER TABLE local_media_repository_thumbnails DROP CONSTRAINT IF EXISTS local_media_repository_thumbn_media_id_thumbnail_width_thum_key" + ) + txn.execute( + "ALTER TABLE remote_media_cache_thumbnails DROP CONSTRAINT IF EXISTS remote_media_repository_thumbn_media_id_thumbnail_width_thum_key" + ) + + await self.db_pool.runInteraction("drop_media_indices_without_method", f) + await self.db_pool.updates._end_background_update( + BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD + ) + return 1 + class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): """Persistence for attachments and avatars""" diff --git a/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres new file mode 100644 index 0000000000..b64926e9c9 --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.postgres @@ -0,0 +1,33 @@ +/* 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. + */ + +/* + * This adds the method to the unique key constraint of the thumbnail databases. + * Otherwise you can't have a scaled and a cropped thumbnail with the same + * resolution, which happens quite often with dynamic thumbnailing. + * This is the postgres specific migration modifying the table with a background + * migration. + */ + +-- add new index that includes method to local media +INSERT INTO background_updates (update_name, progress_json) VALUES + ('local_media_repository_thumbnails_method_idx', '{}'); + +-- add new index that includes method to remote media +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('remote_media_repository_thumbnails_method_idx', '{}', 'local_media_repository_thumbnails_method_idx'); + +-- drop old index +INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES + ('media_repository_drop_index_wo_method', '{}', 'remote_media_repository_thumbnails_method_idx'); + diff --git a/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite new file mode 100644 index 0000000000..1d0c04b53a --- /dev/null +++ b/synapse/storage/databases/main/schema/delta/58/07add_method_to_thumbnail_constraint.sql.sqlite @@ -0,0 +1,44 @@ +/* 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. + */ + +/* + * This adds the method to the unique key constraint of the thumbnail databases. + * Otherwise you can't have a scaled and a cropped thumbnail with the same + * resolution, which happens quite often with dynamic thumbnailing. + * This is a sqlite specific migration, since sqlite can't modify the unique + * constraint of a table without recreating it. + */ + +CREATE TABLE local_media_repository_thumbnails_new ( media_id TEXT, thumbnail_width INTEGER, thumbnail_height INTEGER, thumbnail_type TEXT, thumbnail_method TEXT, thumbnail_length INTEGER, UNIQUE ( media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method ) ); + +INSERT INTO local_media_repository_thumbnails_new + SELECT media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method, thumbnail_length + FROM local_media_repository_thumbnails; + +DROP TABLE local_media_repository_thumbnails; + +ALTER TABLE local_media_repository_thumbnails_new RENAME TO local_media_repository_thumbnails; + +CREATE INDEX local_media_repository_thumbnails_media_id ON local_media_repository_thumbnails (media_id); + + + +CREATE TABLE IF NOT EXISTS remote_media_cache_thumbnails_new ( media_origin TEXT, media_id TEXT, thumbnail_width INTEGER, thumbnail_height INTEGER, thumbnail_method TEXT, thumbnail_type TEXT, thumbnail_length INTEGER, filesystem_id TEXT, UNIQUE ( media_origin, media_id, thumbnail_width, thumbnail_height, thumbnail_type, thumbnail_method ) ); + +INSERT INTO remote_media_cache_thumbnails_new + SELECT media_origin, media_id, thumbnail_width, thumbnail_height, thumbnail_method, thumbnail_type, thumbnail_length, filesystem_id + FROM remote_media_cache_thumbnails; + +DROP TABLE remote_media_cache_thumbnails; + +ALTER TABLE remote_media_cache_thumbnails_new RENAME TO remote_media_cache_thumbnails; |