I am trying to use TextClause in with_expression and getting error.
Simplest example:
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class A(Base):
__tablename__ = 'a'
id = Column(Integer, primary_key=True)
x = Column(String)
expr = query_expression()
s = Session()
s.query(A).options(with_expression(A.expr, text('x')))
And result is:
AttributeError: 'TextClause' object has no attribute 'label'
Am I doing something wrong? What can I do to make it work?
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