def union(
self,
right: TableExpr,
distinct: bool = False,
) -> TableExpr:
"""Compute the set union of two table expressions.
The input tables must have identical schemas.
Parameters
----------
right
Table expression
distinct
Only union distinct rows not occurring in the calling table (this
can be very expensive, be careful)
Returns
-------
TableExpr
Union of table and `right`
"""
from .. import operations as ops
return ops.Union(self, right, distinct=distinct).to_expr()
def _table_union(left, right, distinct=False):
"""
Form the table set union of two table expressions having identical
schemas.
Parameters
----------
right : TableExpr
distinct : boolean, default False
Only union distinct rows not occurring in the calling table (this
can be very expensive, be careful)
Returns
-------
union : TableExpr
"""
op = _ops.Union(left, right, distinct=distinct)
return TableExpr(op)