anchor.diff:    String encodeJson(value) => encodeString(jsonEncode(value));
   
     // See http://www.postgresql.org/docs/9.0/static/sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-ESCAPE
  -  String encodeBytea(List<int> value) {
  +  String encodeBytea(Iterable<int> value) {
       //var b64String = ...;
       //return " decode('$b64String', 'base64') ";
     
  
positive.code:     return n.toString();
    }
    
    String encodeArray(List value, {String? pgType}) {
      final buf = new StringBuffer('array[');
      for (final v in value) {
        if (buf.length > 6) buf.write(',');
  
negative.code:         return encodeJson(value);
    
        case 'array':
          if (value is Iterable)
            return encodeArray(value);
          break;
  
        case 'bytea':
          if (value is Iterable<int>)
            return encodeBytea(value);
          break;
  
  