Review comment: PDML does not support query mode.

Author: tseaver

spanner/google/cloud/spanner_v1/database.py

@@ -280,7 +280,7 @@ def drop(self):
         api.drop_database(self.name, metadata=metadata)
 
     def execute_partitioned_dml(
-            self, dml, params=None, param_types=None, query_mode=None):
+            self, dml, params=None, param_types=None):
         """Execute a partitionable DML statement.
 
         :type dml: str
@@ -295,11 +295,6 @@ def execute_partitioned_dml(
             (Optional) maps explicit types for one or more param values;
             required if parameters are passed.
 
-        :type query_mode:
-            :class:`google.cloud.spanner_v1.proto.ExecuteSqlRequest.QueryMode`
-        :param query_mode: Mode governing return of results / query plan. See
-            https://cloud.google.com/spanner/reference/rpc/google.spanner.v1#google.spanner.v1.ExecuteSqlRequest.QueryMode1
-
         :rtype: int
         :returns: Count of rows affected by the DML statement.
         """
@@ -333,7 +328,6 @@ def execute_partitioned_dml(
                 transaction=txn_selector,
                 params=params_pb,
                 param_types=param_types,
-                query_mode=query_mode,
                 metadata=metadata)
 
             iterator = _restart_on_unavailable(restart)

spanner/tests/unit/test_database.py

@@ -669,7 +669,7 @@ def _execute_partitioned_dml_helper(
         api.execute_streaming_sql.return_value = iterator
 
         row_count = database.execute_partitioned_dml(
-            dml, params, param_types, query_mode=MODE)
+            dml, params, param_types)
 
         self.assertEqual(row_count, 2)
 
@@ -696,7 +696,6 @@ def _execute_partitioned_dml_helper(
             transaction=expected_transaction,
             params=expected_params,
             param_types=param_types,
-            query_mode=MODE,
             metadata=[('google-cloud-resource-prefix', database.name)],
         )