Fixed bug that prevented error "ORA-01403: no data found" from being

raised when executing a PL/SQL block (#321).

doc/src/release_notes.rst

@@ -13,6 +13,10 @@ oracledb 2.1.2 (TBD)
 Thin Mode Changes
 +++++++++++++++++
 
+#)  Fixed bug that prevented error ``ORA-01403: no data found`` from being
+    raised when executing a PL/SQL block
+    (`issue 321 <https://github.com/oracle/python-oracledb/issues/321>`__).
+
 Thick Mode Changes
 ++++++++++++++++++
 

src/oracledb/impl/thin/messages.pyx

@@ -774,7 +774,7 @@ cdef class MessageWithData(Message):
         cursor_impl._batcherrors = self.error_info.batcherrors
         if self.batcherrors and cursor_impl._batcherrors is None:
             cursor_impl._batcherrors = []
-        if self.error_info.num == TNS_ERR_NO_DATA_FOUND:
+        if self.error_info.num == TNS_ERR_NO_DATA_FOUND and self.in_fetch:
             self.error_info.num = 0
             cursor_impl._more_rows_to_fetch = False
             cursor_impl._last_row_index = 0

tests/test_3900_cursor_execute.py

@@ -554,6 +554,11 @@ def test_3934(self):
         self.cursor.execute("begin null; end;")
         self.assertEqual(self.cursor.rowcount, 0)
 
+    def test_3935(self):
+        "3935 - test raising no_data_found in PL/SQL"
+        with self.assertRaisesFullCode("ORA-01403"):
+            self.cursor.execute("begin raise no_data_found; end;")
+
 
 if __name__ == "__main__":
     test_env.run_test_cases()

tests/test_5400_cursor_execute_async.py

@@ -591,6 +591,11 @@ async def test_5435(self):
         row = await self.cursor.fetchone()
         self.assertEqual(row, tuple(values))
 
+    async def test_5436(self):
+        "5436 - test raising no_data_found in PL/SQL"
+        with self.assertRaisesFullCode("ORA-01403"):
+            await self.cursor.execute("begin raise no_data_found; end;")
+
 
 if __name__ == "__main__":
     test_env.run_test_cases()