Yeah, it seems to be a problem with the server-side cursors. It works
fine when I set "client_side_cursors=True". After debugging it a bit
it seems to be a problem in ResultProxy/RowProxy. I'm using psycopg
2.0.5.1 and PostgreSQL 8.1.5. Sorry I haven't had time to make a full
test case, I'm terribly busy with other stuff right now.
~ Daniel
On Jan 11, 2007, at 12:52 PM, Michael Bayer wrote:
if you could give me a full reproduction case I can see if i get
the same result here. also, to test if its the PG cursor change,
try sending "client_side_cursors=True" to your create_engine()
statement, which will make it use cursors in the default manner.
On Jan 11, 2007, at 8:58 AM, Daniel Miller wrote:
import sqlalchemy as sa
class Version(object):
table = sa.Table("version", meta,
sa.Column("id", mu.String, primary_key=True),
sa.Column("number", mu.String),
)
def assign_mapper(class_, *args, **kw):
class_.mapper = sa.mapper(class_, class_.table, *args, **kw)
assign_mapper(Version)
def verify(version, session=None):
"""Verify the connection and the version of the database"""
if session is None:
session = sa.create_session()
ver = session.query(Version).get('schema')
if ver.number != version:
raise WrongDatabaseVersionError("got %r expected %r" %
(ver.number, version))
>
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