Internally make use of the TCP_NODELAY socket option to remove delays

in socket reads for some platforms.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -23,6 +23,8 @@ Thin Mode Changes
 #)  When using the connection parameter `https_proxy` while using protocol
     `tcp`, a more meaningful exception is now raised:
     `DPY-2029: https_proxy requires use of the tcps protocol`.
+#)  Internally make use of the `TCP_NODELAY` socket option to remove delays
+    in socket reads.
 
 Thick Mode Changes
 ++++++++++++++++++

src/oracledb/impl/thin/connection.pyx

@@ -224,6 +224,7 @@ cdef class ThinConnImpl(BaseConnImpl):
                                     6)
                     sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT,
                                     10)
+            sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
             sock.settimeout(None)
             if address.protocol == "tcps":
                 sock = get_ssl_socket(sock, params, description, address)