text: /* Copyright 2014, 2015 OpenMarket 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 TABLE IF NOT EXISTS local_media_repository (
      media_id TEXT, -- The id used to refer to the media.
      media_type TEXT, -- The MIME-type of the media.
      media_length INTEGER, -- Length of the media in bytes.
      created_ts BIGINT, -- When the content was uploaded in ms.
      upload_name TEXT, -- The name the media was uploaded with.
      user_id TEXT, -- The user who uploaded the file.
      UNIQUE (media_id)
  );
  
  CREATE TABLE IF NOT EXISTS local_media_repository_thumbnails (
      media_id TEXT, -- The id used to refer to the media.
      thumbnail_width INTEGER, -- The width of the thumbnail in pixels.
      thumbnail_height INTEGER, -- The height of the thumbnail in pixels.
      thumbnail_type TEXT, -- The MIME-type of the thumbnail.
      thumbnail_method TEXT, -- The method used to make the thumbnail.
      thumbnail_length INTEGER, -- The length of the thumbnail in bytes.
      UNIQUE (
          media_id, thumbnail_width, thumbnail_height, thumbnail_type
      )
  );
  
  CREATE INDEX local_media_repository_thumbnails_media_id
      ON local_media_repository_thumbnails (media_id);
  
  CREATE TABLE IF NOT EXISTS remote_media_cache (
      media_origin TEXT, -- The remote HS the media came from.
      media_id TEXT, -- The id used to refer to the media on that server.
      media_type TEXT, -- The MIME-type of the media.
      created_ts BIGINT, -- When the content was uploaded in ms.
      upload_name TEXT, -- The name the media was uploaded with.
      media_length INTEGER, -- Length of the media in bytes.
      filesystem_id TEXT, -- The name used to store the media on disk.
      UNIQUE (media_origin, media_id)
  );
  
  CREATE TABLE IF NOT EXISTS remote_media_cache_thumbnails (
      media_origin TEXT, -- The remote HS the media came from.
      media_id TEXT, -- The id used to refer to the media.
      thumbnail_width INTEGER, -- The width of the thumbnail in pixels.
      thumbnail_height INTEGER, -- The height of the thumbnail in pixels.
      thumbnail_method TEXT, -- The method used to make the thumbnail
      thumbnail_type TEXT, -- The MIME-type of the thumbnail.
      thumbnail_length INTEGER, -- The length of the thumbnail in bytes.
      filesystem_id TEXT, -- The name used to store the media on disk.
      UNIQUE (
          media_origin, media_id, thumbnail_width, thumbnail_height,
          thumbnail_type
       )
  );
  