def isin(
self,
values: Value | Sequence[Value],
) -> ir.BooleanValue:
"""Check whether this expression's values are in `values`.
Parameters
----------
values
Values or expression to check for membership
Returns
-------
BooleanValue
Expression indicating membership
Examples
--------
>>> import ibis
>>> table = ibis.table([('string_col', 'string')])
>>> table2 = ibis.table([('other_string_col', 'string')])
>>> expr = table.string_col.isin(['foo', 'bar', 'baz'])
>>> expr2 = table.string_col.isin(table2.other_string_col)
"""
import ibis.expr.operations as ops
return ops.Contains(self, values).to_expr()
def isin(arg, values):
"""
Check whether the value expression is contained within the indicated
list of values.
Parameters
----------
values : list, tuple, or array expression
The values can be scalar or array-like. Each of them must be
comparable with the calling expression, or None (NULL).
Examples
--------
expr = table.strings.isin(['foo', 'bar', 'baz'])
expr2 = table.strings.isin(table2.other_string_col)
Returns
-------
contains : BooleanValue
"""
op = _ops.Contains(arg, values)
return op.to_expr()