X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/9a385c7c5a99dae7a365f84a1536ed324a52f85b..5c1db683ce8a1192508fb6e84993b139252b7d60:/services/api/db/migrate/20141208164553_owner_uuid_index.rb

diff --git a/services/api/db/migrate/20141208164553_owner_uuid_index.rb b/services/api/db/migrate/20141208164553_owner_uuid_index.rb
index 35358a0736..e7e38b0716 100644
--- a/services/api/db/migrate/20141208164553_owner_uuid_index.rb
+++ b/services/api/db/migrate/20141208164553_owner_uuid_index.rb
@@ -14,7 +14,13 @@ class OwnerUuidIndex < ActiveRecord::Migration
 
   def down
     tables_with_owner_uuid.each do |table|
-      remove_index table.to_sym, :owner_uuid
+      indexes = ActiveRecord::Base.connection.indexes(table)
+      owner_uuid_index = indexes.select do |index|
+        index.columns == ['owner_uuid']
+      end
+      if !owner_uuid_index.empty?
+        remove_index table.to_sym, :owner_uuid
+      end
     end
   end
 end