Package lemon :: Package external :: Package gadfly :: Module semantics :: Class Union
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Class Union

SimpleRecursive --+
                  |
                 Union

Known Subclasses:
Except, Intersect

union clause.

Method Summary
  __init__(self, alldistinct, selection)
  __repr__(self)
  attributes(self)
  check_domains(self)
  eval(self, assns, dyn, outer)
  initargs(self)
  relbind(self, db, outer)
  unbound(self)
    Inherited from SimpleRecursive
  demarshal(self, args)
  marshaldata(self)

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