patito.Relation.all

Relation.all(*filters, **equalities)

Return True if the given predicate(s) are true for all rows in the relation.

See Relation.filter() for additional information regarding the parameters.

Parameters

• filters (str) – SQL predicates to satisfy.

• equalities (Union[int, float, str]) – SQL equality predicates to satisfy.

Examples

>>> import patito as pt
>>> df = pt.DataFrame(
...     {
...         "even_number": [2, 4, 6],
...         "odd_number": [1, 3, 5],
...         "zero": [0, 0, 0],
...     }
... )
>>> relation = pt.Relation(df)
>>> relation.all(zero=0)
True
>>> relation.all(
...     "even_number % 2 = 0",
...     "odd_number % 2 = 1",
...     zero=0,
... )
True
>>> relation.all(zero=1)
False
>>> relation.all("odd_number % 2 = 0")
False

Return type

bool