gravitino.api.rel.expressions.sorts.null_ordering.NullOrdering¶

class gravitino.api.rel.expressions.sorts.null_ordering.NullOrdering(value, names=<not given>, *values, module=None, qualname=None, type=None, start=1, boundary=None)¶

Bases: Enum

A null order used in sorting expressions.

__init__(*args, **kwds)¶

Attributes

`NULLS_FIRST`	Nulls appear before non-nulls.
`NULLS_LAST`	Nulls appear after non-nulls.

NULLS_FIRST: str = 'nulls_first'¶: Nulls appear before non-nulls. For ascending order, this means nulls appear at the beginning.

NULLS_LAST: str = 'nulls_last'¶: Nulls appear after non-nulls. For ascending order, this means nulls appear at the end.