1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 748436de12..9fe8e0497e 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -454,6 +454,10 @@ module ActiveRecord
         postgresql_version >= 90200
       end
 
+      def supports_materialized_views?
+        postgresql_version >= 90300
+      end
+
       def enable_extension(name)
         exec_query("CREATE EXTENSION IF NOT EXISTS \"#{name}\"").tap {
           reload_type_map