Internal change: small performance improvement sending bytes on the

network transport.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -19,6 +19,9 @@ oracledb `3.4.0 <https://github.com/oracle/python-oracledb/compare/v3.3.0...v3.4
 Thin Mode Changes
 +++++++++++++++++
 
+#)  Internal change: small performance improvement sending bytes on the
+    network transport.
+
 Thick Mode Changes
 ++++++++++++++++++
 

src/oracledb/impl/thin/transport.pyx

@@ -367,7 +367,7 @@ cdef class Transport:
         """
         Writes a packet on the transport.
         """
-        data = bytes(buf._data_view[:buf._pos])
+        data = buf._data[:buf._pos]
         if DEBUG_PACKETS:
             self._print_packet("Sending packet", data)
         try: