remove sql-only twophase_transaction helper
diff --git a/Allura/allura/lib/helpers.py b/Allura/allura/lib/helpers.py
index 0e280b1..f0d0025 100644
--- a/Allura/allura/lib/helpers.py
+++ b/Allura/allura/lib/helpers.py
@@ -670,31 +670,6 @@
if k.startswith(prefix)}
-@contextmanager
-def twophase_transaction(*engines):
- connections = [
- e.contextual_connect()
- for e in engines]
- txns = []
- to_rollback = []
- try:
- for conn in connections:
- txn = conn.begin_twophase()
- txns.append(txn)
- to_rollback.append(txn)
- yield
- to_rollback = []
- for txn in txns:
- txn.prepare()
- to_rollback.append(txn)
- for txn in txns:
- txn.commit()
- except Exception:
- for txn in to_rollback:
- txn.rollback()
- raise
-
-
def paging_sanitizer(limit, page, total_count=sys.maxsize, zero_based_pages=True):
"""Return limit, page - both converted to int and constrained to
valid ranges based on total_count.
