Classe « UniqueConstraint »

Constructeur sqlalchemy.UniqueConstraint.__init__

Signature de la constructeur __init__

def __init__(self, *columns, **kw) 

Description

__init__.__doc__

        :param \*columns:
          A sequence of column names or Column objects.

        :param name:
          Optional, the in-database name of this constraint.

        :param deferrable:
          Optional bool.  If set, emit DEFERRABLE or NOT DEFERRABLE when
          issuing DDL for this constraint.

        :param initially:
          Optional string.  If set, emit INITIALLY <value> when issuing DDL
          for this constraint.

        :param \**kw: other keyword arguments including dialect-specific
          arguments are propagated to the :class:`.Constraint` superclass.