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authorMike Bayer <mike_mp@zzzcomputing.com>2014-08-14 15:38:30 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2014-08-15 15:52:35 -0400
commit191fd3e27e3ef90190f8315c33ba6eb97aeaf5d2 (patch)
treed9d5465928cf1c99deabdc345f3577f0c5fd7960 /lib/sqlalchemy/orm/session.py
parent652a24f0303b9bb0e7a326b05709d7660793f90b (diff)
downloadsqlalchemy-191fd3e27e3ef90190f8315c33ba6eb97aeaf5d2.tar.gz
- proof of concept
Diffstat (limited to 'lib/sqlalchemy/orm/session.py')
-rw-r--r--lib/sqlalchemy/orm/session.py34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/session.py b/lib/sqlalchemy/orm/session.py
index 036045dba..2455c803a 100644
--- a/lib/sqlalchemy/orm/session.py
+++ b/lib/sqlalchemy/orm/session.py
@@ -2033,6 +2033,40 @@ class Session(_SessionClassMethods):
with util.safe_reraise():
transaction.rollback(_capture_exception=True)
+ def bulk_save(self, objects):
+ self._flushing = True
+ flush_context = UOWTransaction(self)
+
+ if self.dispatch.before_bulk_save:
+ self.dispatch.before_bulk_save(
+ self, flush_context, objects)
+
+ flush_context.transaction = transaction = self.begin(
+ subtransactions=True)
+ try:
+ self._warn_on_events = True
+ try:
+ flush_context.bulk_save(objects)
+ finally:
+ self._warn_on_events = False
+
+ self.dispatch.after_bulk_save(
+ self, flush_context, objects
+ )
+
+ flush_context.finalize_flush_changes()
+
+ self.dispatch.after_bulk_save_postexec(
+ self, flush_context, objects)
+
+ transaction.commit()
+
+ except:
+ with util.safe_reraise():
+ transaction.rollback(_capture_exception=True)
+ finally:
+ self._flushing = False
+
def is_modified(self, instance, include_collections=True,
passive=True):
"""Return ``True`` if the given instance has locally