9623: Moved deep_sort_hash method to ArvadosModel as it's used by both Job and Contai...
[arvados.git] / services / api / lib / record_filters.rb
index c009bf537f1966fd16326ef3bc239c7d6d623f99..caf62c721f4854fb30d468c327623acc2f50de56 100644 (file)
@@ -77,7 +77,12 @@ module RecordFilters
                                     "boolean attribute '#{attr}'")
               end
             end
-            cond_out << "#{ar_table_name}.#{attr} #{operator} ?"
+            if operator == '<>'
+              # explicitly allow NULL
+              cond_out << "#{ar_table_name}.#{attr} #{operator} ? OR #{ar_table_name}.#{attr} IS NULL"
+            else
+              cond_out << "#{ar_table_name}.#{attr} #{operator} ?"
+            end
             if (# any operator that operates on value rather than
                 # representation:
                 operator.match(/[<=>]/) and (attr_type == :datetime))
@@ -121,6 +126,8 @@ module RecordFilters
             end
           end
           cond_out << cond.join(' OR ')
+        else
+          raise ArgumentError.new("Invalid operator '#{operator}'")
         end
       end
       conds_out << cond_out.join(' OR ') if cond_out.any?