anchor.diff:                  date -> 4;
                   time -> 4;
                   timestamp -> 8;
  +                time_tz -> 6;
  +                timestamp_tz -> 10;
                   decimal_fixed -> 16;
                   decimal64 -> 8;
                   decimal128 ->  16;
  
positive.code: sql_type(560) -> time;
  sql_type(570) -> date;
  sql_type(580) -> int64;
  sql_type(32758) -> decimal_fixed;
  sql_type(32760) -> decimal64;
  sql_type(32762) -> decimal128;
  
negative.code:     decimal_fixed -> [26, convert_scale(XSqlVar#column.scale), 7, 0];
      decimal64 -> [24, 7, 0];
      decimal128 -> [25, 7, 0];
      time_tz -> [28, 7, 0];
      timestamp_tz -> [29, 7, 0];
      blob -> [9, 0, 7, 0];
      array -> [9, 0, 7, 0];
      boolean -> [23, 7, 0]
  