message: Update oracle_arrow2.rs
diff: @@ -34,6 +34,8 @@ impl_transport!(
  { BinaryFloat[f64] => Float64[f64] | conversion none }
  { BinaryDouble[f64] => Float64[f64] | conversion none }
  { NumInt[i64] => Int64[i64] | conversion auto }
  + { Blob[Vec<u8>] => LargeBinary[Vec<u8>] | conversion none }
  + { Clob[String] => LargeUtf8[String] | conversion none }
  { VarChar[String] => LargeUtf8[String] | conversion auto }
  { Char[String] => LargeUtf8[String] | conversion none }
  { NVarChar[String] => LargeUtf8[String] | conversion none }
  