text: SELECT 1 + 1 as a, 1 - 1, 1 * 1, 1 / 2;
  SELECT -1, +1;
  SELECT 8 / 2;
  SELECT 20 DIV 1;
  SELECT 20 DIV 2;
  SELECT 20 DIV 3;
  SELECT 20 DIV 4;
  SELECT 20 DIV 5;
  SELECT 20 DIV 6;
  SELECT 20 DIV 7;
  SELECT 20 DIV 8.1;
  SELECT 20.1 DIV 9;
  SELECT toTypeName(-toUInt32(1)), toTypeName(-toUInt64(1)), toTypeName(-toInt32(1)), toTypeName(-toFloat32(1)), toTypeName(+toUInt8(1));
  