Initial open source release

deploy/migrations/0057_media.down.sql

@@ -0,0 +1,23 @@
+-- 0057_media down: drop media catalogs and message media columns; restore body checks.
+
+ALTER TABLE channel_messages DROP CONSTRAINT IF EXISTS channel_messages_content_check;
+ALTER TABLE channel_messages
+    ADD CONSTRAINT channel_messages_content_check
+    CHECK (body <> '' OR action <> '{}'::jsonb);
+
+ALTER TABLE private_messages DROP CONSTRAINT IF EXISTS private_messages_nonempty_body;
+ALTER TABLE private_messages
+    ADD CONSTRAINT private_messages_nonempty_body
+    CHECK (body <> '');
+
+ALTER TABLE channel_messages DROP COLUMN IF EXISTS media;
+ALTER TABLE message_boxes DROP COLUMN IF EXISTS media;
+ALTER TABLE private_messages DROP COLUMN IF EXISTS media;
+
+DROP TABLE IF EXISTS profile_photos;
+DROP TABLE IF EXISTS available_reactions;
+DROP TABLE IF EXISTS sticker_sets;
+DROP TABLE IF EXISTS photos;
+DROP TABLE IF EXISTS documents;
+DROP TABLE IF EXISTS file_blobs;
+DROP TABLE IF EXISTS upload_parts;