review comments

Author: surbhigarg92

google/cloud/spanner_v1/client.py

@@ -139,8 +139,7 @@ class Client(ClientWithProject):
 
     :type default_transaction_options: :class:`~google.cloud.spanner_v1.TransactionOptions`
         or :class:`dict`
-    :param default_transaction_options: (Optional) Client options used to set the default_transaction_options
-            used for all Read Write Transactions.
+    :param default_transaction_options: (Optional) Default options to use for all read/write transactions.
 
     :raises: :class:`ValueError <exceptions.ValueError>` if both ``read_only``
              and ``admin`` are :data:`True`
@@ -304,7 +303,7 @@ def default_transaction_options(self):
         :rtype:
             :class:`~google.cloud.spanner_v1.TransactionOptions`
             or :class:`dict`
-        :returns: The default_transaction_options for the client.
+        :returns: The default transaction options that are used by this client for all read/write transactions.
         """
         return self._default_transaction_options
 
@@ -459,7 +458,6 @@ def default_transaction_options(self, default_transaction_options):
         """Sets default_transaction_options for the client
         :type default_transaction_options: :class:`~google.cloud.spanner_v1.TransactionOptions`
             or :class:`dict`
-        :param default_transaction_options: Client options used to set the default_transaction_options
-            used for all Read Write Transactions.
+        :param default_transaction_options: Default options to use for all read/write transactions.
         """
         self._default_transaction_options = default_transaction_options

google/cloud/spanner_v1/database.py

@@ -814,7 +814,7 @@ def batch(
         :type isolation_level:
             :class:`google.cloud.spanner_v1.types.TransactionOptions.IsolationLevel`
         :param isolation_level:
-                (Optional) Sets isolation level for the transaction and overrides the isolation level set at the client.
+                (Optional) Sets the isolation level for this transaction. This overrides any default isolation level set for the client.
 
         :rtype: :class:`~google.cloud.spanner_v1.database.BatchCheckout`
         :returns: new wrapper
@@ -1236,6 +1236,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
                     max_commit_delay=self._max_commit_delay,
                     exclude_txn_from_change_streams=self._exclude_txn_from_change_streams,
                     isolation_level=self._isolation_level,
+                    **self._kw,
                 )
         finally:
             if self._database.log_commit_stats and self._batch.commit_stats: