"""
return _ops.TimestampNow().to_expr()
def row_number():
"""
Analytic function for the current row number, starting at 0
Returns
-------
row_number : IntArray
"""
return _ops.RowNumber().to_expr()
e = _ops.E().to_expr()
def _add_methods(klass, method_table):
for k, v in method_table.items():
setattr(klass, k, v)
def _unary_op(name, klass, doc=None):
def f(arg):
return klass(arg).to_expr()
f.__name__ = name
if doc is not None:
f.__doc__ = doc
else:
f.__doc__ = klass.__doc__
"""
return ops.TimestampNow().to_expr()
def row_number() -> ir.IntegerColumn:
"""Return an analytic function expression for the current row number.
Returns
-------
IntegerColumn
A column expression enumerating rows
"""
return ops.RowNumber().to_expr()
e = ops.E().to_expr()
pi = ops.Pi().to_expr()
def _add_methods(klass, method_table):
for k, v in method_table.items():
setattr(klass, k, v)
def where(
boolean_expr: ir.BooleanValue,
true_expr: ir.ValueExpr,
false_null_expr: ir.ValueExpr,
) -> ir.ValueExpr:
"""Return `true_expr` if `boolean_expr` is `True` else `false_null_expr`.