Module « sqlalchemy »

Classe « UniqueConstraint »

Informations générales

Héritage

builtins.object
    Traversible
builtins.object
    SchemaEventTarget
        SchemaItem
    builtins.object
        DialectKWArgs
            Constraint
        builtins.object
            ColumnCollectionMixin
                ColumnCollectionConstraint
                    UniqueConstraint

Définition

class UniqueConstraint(ColumnCollectionConstraint):

Description _{[extrait de UniqueConstraint.doc]}

A table-level UNIQUE constraint.

    Defines a single column or composite UNIQUE constraint. For a no-frills,
    single column constraint, adding ``unique=True`` to the ``Column``
    definition is a shorthand equivalent for an unnamed, single column
    UniqueConstraint.

Constructeur(s)

Signature du constructeur	Description
__init__(self, columns, *kw)

Liste des attributs statiques

Nom de l'attribut	Valeur
columns	None
create_drop_stringify_dialect	default
dialect_kwargs	<sqlalchemy.util.langhelpers.memoized_property object at 0x7f40cbecc6d0>
dialect_options	<sqlalchemy.util.langhelpers.memoized_property object at 0x7f40cbece8c0>
dispatch	<sqlalchemy.event.base.DDLEventsDispatch object at 0x7f40cbc2af40>
info	<sqlalchemy.util.langhelpers.memoized_property object at 0x7f40cbc85d20>