I'm starting to learn SQLAlchemy; have 0.9.7 installed on Slackware-14.1
with Python-2.7.5, wxPython-3.0.0.0, and postgresql-9.3.4.

  1)  In the docs I see a row constraint example using an integer comparison
attrib.CheckConstraint('attrib>5'). What is the syntax for a list, such as
this postgres example?

CHECK (agency_name IN ('Federal', 'State', 'County', 'City', 'Local',
'Regional'),

  Do I write agency_name.CheckConstraint('Federal', 'State', 'County',
'City', 'Local', 'Regional')?

  2) I have searched the docs for instructions on how to specify a
multi-column primary key, but have not found an example. The only references
I find to multi-column keys are for foreign keys. My applicaton has several
tables that require multi-column keys.

Rich

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