return `SELECT table_name, table_schema
             FROM information_schema.tables
            WHERE table_type = 'VIEW'
            AND table_schema NOT IN ('pg_catalog', 'information_schema')
              ${makeCondition("table_schema", schemaName)}

            UNION ALL

            SELECT matviewname AS table_name, schemaname AS table_schema
            FROM pg_matviews
            WHERE schemaname NOT IN ('pg_catalog', 'information_schema')
              ${makeCondition("schemaname", schemaName)}`;