Bug fix: Need to distinguish run and partial run when caching executors in session.

Change: 121896355

tensorflow/core/common_runtime/direct_session.cc

@@ -661,7 +661,8 @@ Status DirectSession::GetOrCreateExecutors(
 
   const string key = strings::StrCat(str_util::Join(inputs_sorted, ","), "->",
                                      str_util::Join(outputs_sorted, ","), "/",
-                                     str_util::Join(tn_sorted, ","));
+                                     str_util::Join(tn_sorted, ","), "/",
+                                     run_state_args->is_partial_run);
 
   // Set the handle.
   {

tensorflow/python/client/session_test.py

@@ -971,6 +971,16 @@ class SessionTest(test_util.TensorFlowTestCase):
       self.assertEqual(steps, len(res))
       self.assertEqual(2.0, res[-1])
 
+  def testRunAndPartialRun(self):
+    with session.Session() as sess:
+      a = constant_op.constant(2.0, dtypes.float32)
+      b = a * 2
+      c = b * 3
+      r1 = sess.run([b, c])
+      h = sess.partial_run_setup([b, c], [])
+      r2 = sess.partial_run(h, [b, c])
+      self.assertEqual(r1, r2)
+
   def testFeedDictKeyException(self):
     with session.Session() as sess:
       a = constant_op.constant(1.0, dtypes.float32, name='a')