Hi,
I'm actually using SQLAlchemy with Pyramid and zope.sqlalchemy packages.
My main database connection is a ZODB connection and, when required, I
create an SQLAlchemy session which is joined to main transaction using this
kind of code:
from sqlalchemy.orm import scoped_session, sessionmaker
from zope.sqlalchemy import register
from zope.sqlalchemy.datamanager import join_transaction
_engine = get_engine(engine, use_pool)
if use_zope_extension:
factory = scoped_session(sessionmaker(bind=_engine, twophase=True))
else:
factory = sessionmaker(bind=_engine, twophase=True)
session = factory()
if use_zope_extension:
register(session, initial_state=STATUS_ACTIVE)
if join:
join_transaction(session, initial_state=STATUS_ACTIVE)
Everything is working correctly!
So my only question is that I also use Pyramid_debugtoolbar package, which
is tracking many SQLAlchemy events, including two-phase commits
transactions, and which in this context receives transaction IDs as a three
values tuple instead of a simple string (like, for example: (4660,
'12345678901234567890123456789012', '00000000000000000000000000000009'),
which is raising an exception)!
Is it normal behaviour, and what does this value mean?
Best regards,
Thierry
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