Not really sure, that URL itself won't allow a psycopg2 connection to
even occur. The error means that the construct is trying to be
generated as a string, like in a print statement. But 1.1 has a new
feature that allows default stringification of pg.ARRAY and other
constructs to actually work.
Need a stack trace at the very least.
On 06/27/2016 08:34 AM, Martijn van Oosterhout wrote:
from sqlalchemy import create_engine, MetaData
from sqlalchemy import Column
from sqlalchemy.dialects.postgresql import ARRAY
from sqlalchemy import String
from sqlalchemy.ext.declarative import declarative_base
metadata = MetaData()
metadata.bind = create_engine('postgresql:///')
Base = declarative_base(metadata=metadata)
class Test(Base):
__tablename__ = 'test'
reference = Column(ARRAY(String), nullable=False,
server_default='{}', primary_key=True)
metadata.create_all(bind=metadata.bind)
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