1 files changed, 14 insertions, 0 deletions
diff --git a/db/migrate/20171125190735_remove_old_reblog_index_on_statuses.rb b/db/migrate/20171125190735_remove_old_reblog_index_on_statuses.rb
new file mode 100644
index 000000000..68146c5ce
--- /dev/null
+++ b/db/migrate/20171125190735_remove_old_reblog_index_on_statuses.rb
@@ -0,0 +1,14 @@
+class RemoveOldReblogIndexOnStatuses < ActiveRecord::Migration[5.1]
+  disable_ddl_transaction!
+
+  def up
+    # This index may not exists (see migration 20171122120436)
+    remove_index :statuses, [:account_id, :reblog_of_id] if index_exists?(:statuses, [:account_id, :reblog_of_id])
+
+    remove_index :statuses, :reblog_of_id
+  end
+
+  def down
+    add_index :statuses, :reblog_of_id, algorithm: :concurrently
+  end
+end