Here are the two tables in question:
visits_table = Table('visit', metadata,
Column('visit_key', String(40), primary_key=True),
Column('created', DateTime, nullable=False, default=datetime.now),
Column('expiry', DateTime)
)
visit_identity_table = Table('visit_identity', metadata,
Column('visit_key', String(40), primary_key=True),
Column('user_id', Integer, ForeignKey('tg_user.user_id'),
index=True)
)
Why are these separated into two tables. It seems like that
separation is artificial. Is it for performance reasons? If they are
to be separate then why is there no foreign key in
visit_identity_table pointing back to visits_table? Thanks.
-eric
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