1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20200721221659_backfill_conversation_visibility.rb b/db/migrate/20200721221659_backfill_conversation_visibility.rb
new file mode 100644
index 000000000..93394b825
--- /dev/null
+++ b/db/migrate/20200721221659_backfill_conversation_visibility.rb
@@ -0,0 +1,15 @@
+class BackfillConversationVisibility < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def up
+    Rails.logger.info('Backfilling thread visibility...')
+
+    safety_assured do
+      execute('UPDATE conversations SET public = true FROM (SELECT account_id, conversation_id FROM statuses WHERE NOT reply AND visibility IN (0, 1)) AS s WHERE conversations.id = s.conversation_id')
+    end
+  end
+
+  def down
+    true
+  end
+end