version_id_col not incremented with bulk_update

[Mike Bayer]

diff --git a/test/orm/test_versioning.py b/test/orm/test_versioning.py
index f420692..7503bf0 100644
--- a/test/orm/test_versioning.py
+++ b/test/orm/test_versioning.py
@@ -130,6 +130,43 @@ class VersioningTest(fixtures.MappedTest):
             [(f1.id, 'f1rev2', 2), (f2.id, 'f2rev2', 2)]
         )

+    def test_bulk_insert(self):
+        Foo = self.classes.Foo
+
+        s1 = self._fixture()
+        s1.bulk_insert_mappings(
+            Foo,
+            [{"id": 1, "value": "f1"}, {"id": 2, "value": "f2"}]
+        )
+        eq_(
+            s1.query(Foo.id, Foo.value, Foo.version_id).order_by(Foo.id).all(),
+            [(1, 'f1', 1), (2, 'f2', 1)]
+        )
+
+    def test_bulk_update(self):
+        Foo = self.classes.Foo
+
+        s1 = self._fixture()
+        f1 = Foo(value='f1')
+        f2 = Foo(value='f2')
+        s1.add_all((f1, f2))
+        s1.commit()
+
+        s1.bulk_update_mappings(
+            Foo,
+            [
+                {"id": f1.id, "value": "f1rev2", "version_id": 1},
+                {"id": f2.id, "value": "f2rev2", "version_id": 1},
+
+            ]
+        )
+        s1.commit()
+
+        eq_(
+            s1.query(Foo.id, Foo.value, Foo.version_id).order_by(Foo.id).all(),
+            [(f1.id, 'f1rev2', 2), (f2.id, 'f2rev2', 2)]
+        )
+
     @testing.emits_warning_on(
         '+zxjdbc', r'.*does not support (update|delete)d rowcount')
     def test_bump_version(self):

[Mike Bayer]

diff --git a/lib/sqlalchemy/orm/persistence.py b/lib/sqlalchemy/orm/persistence.py
index 768c114..9838db0 100644
--- a/lib/sqlalchemy/orm/persistence.py
+++ b/lib/sqlalchemy/orm/persistence.py
@@ -485,7 +485,7 @@ def _collect_update_commands(
             col = mapper.version_id_col
             params[col._label] = update_version_id

-            if col.key not in params and \
+            if (bulk or col.key not in params) and \
                     mapper.version_id_generator is not False:
                 val = mapper.version_id_generator(update_version_id)
                 params[col.key] = val

[Mike Bayer]

bf9a53a

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