Hi All,
I feel like I've asked this before but apologies, I cannot find the
previous thread.
So, when using the support for psycopg2's range types I added, I
sometimes see the following during a flush:
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/session.py",
line 1818, in flush
self._flush(objects)
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/session.py",
line 1936, in _flush
transaction.rollback(_capture_exception=True)
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/util/langhelpers.py",
line 58, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/session.py",
line 1900, in _flush
flush_context.execute()
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/unitofwork.py",
line 372, in execute
rec.execute(self)
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/unitofwork.py",
line 525, in execute
uow
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/persistence.py",
line 45, in save_obj
uowtransaction)
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/persistence.py",
line 140, in _organize_states_for_save
states):
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/persistence.py",
line 767, in _connections_for_states
for state in _sort_states(states):
File
"/Users/chris/buildout-eggs/SQLAlchemy-0.8.2-py2.7-macosx-10.5-x86_64.egg/sqlalchemy/orm/persistence.py",
line 792, in _sort_states
sorted(persistent, key=lambda q: q.key[1])
File
"/Users/chris/buildout-eggs/psycopg2-2.5.1-py2.7-macosx-10.5-x86_64.egg/psycopg2/_range.py",
line 138, in __lt__
'Range objects cannot be ordered; please refer to the PostgreSQL'
What's going on here? Is it SQLAlchemy, psycopg2 or my code that's at fault?
cheers,
Chris
--
Simplistix - Content Management, Batch Processing & Python Consulting
- http://www.simplistix.co.uk
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