Dear all,

Before apply code or writing code from a documentation, At first i test it 
into test.py,
Now ,I read the following doc:
conjuctions in 
sqlalchemy<http://docs.sqlalchemy.org/en/rel_0_8/core/tutorial.html#conjunctions>
 

I supposed users a class such as tables class:
//////////////////////
class users(declarative_base(bind=engine)):
   
    __tablename__ = 'users'; #    
    id = Column(Integer,primary_key = True)
    name = Column(String)
    name_type = Column(Integer)
    addresses = Column(String)
    telephones = Column(String)
    emails = Column(String)
//////////////////

But i didn't understand c variable. Object or otehr variable such :
///////////////

addresses.c.email_address or users.c.id == addresses.c.user_id
/////////////////


If possible explain c object.

--mohsen


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