Fixed bug when SQL is executed after first being parsed with Oracle

Database 23c.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -7,6 +7,16 @@ python-oracledb Release Notes
 
 For deprecations, see :ref:`Deprecations <deprecations>`.
 
+oracledb 1.3.1 (TBD)
+--------------------
+
+Thin Mode Changes
++++++++++++++++++
+
+#)  Fixed bug when SQL is executed after first being parsed with Oracle
+    Database 23c.
+
+
 oracledb 1.3.0 (March 2023)
 ---------------------------
 

src/oracledb/impl/thin/messages.pyx

@@ -1852,9 +1852,9 @@ cdef class ExecuteMessage(MessageWithData):
                     self.cursor_impl._fetch_array_size = num_iters
                 else:
                     num_iters = self.cursor_impl._fetch_array_size
-        if not stmt._is_plsql:
+        if not stmt._is_plsql and not self.parse_only:
             options |= TNS_EXEC_OPTION_NOT_PLSQL
-        elif num_params > 0:
+        elif stmt._is_plsql and num_params > 0:
             options |= TNS_EXEC_OPTION_PLSQL_BIND
         if num_params > 0:
             options |= TNS_EXEC_OPTION_BIND