zut.sql.UniqueKey

class zut.sql.UniqueKey(columns: str | Sequence[str], *, nulls: Literal['distinct', 'not-distinct'] | None = None)

Bases: object

__init__(columns: str | Sequence[str], *, nulls: Literal['distinct', 'not-distinct'] | None = None)

Methods

__init__(columns, *[, nulls])

Attributes

columns	Unique column(s).
nulls	Indicate how are NULL values treated: as distinct entries (the default) or as not distinct (see https://www.postgresql.org/about/featurematrix/detail/392/).

columns: Sequence[str]

Unique column(s).

nulls: Literal['distinct', 'not-distinct'] | None

Indicate how are NULL values treated: as distinct entries (the default) or as not distinct (see https://www.postgresql.org/about/featurematrix/detail/392/).