def __init__(self, left, right, join_predicates):
from ibis.expr.analysis import ExprValidator
if not rules.is_table(left):
raise TypeError('Can only join table expressions, got %s for '
'left table' % type(left))
if not rules.is_table(right):
raise TypeError('Can only join table expressions, got %s for '
'right table' % type(left))
if left.equals(right):
right = right.view()
self.left = left
self.right = right
self.predicates = self._clean_predicates(join_predicates)
# Validate join predicates. Each predicate must be valid jointly when
# considering the roots of each input table
validator = ExprValidator([self.left, self.right])
validator.validate_all(self.predicates)
Node.__init__(self, [self.left, self.right, self.predicates])
def __init__(self, left, right, join_predicates):
from ibis.expr.analysis import ExprValidator
if not rules.is_table(left):
raise TypeError('Can only join table expressions, got %s for '
'left table' % type(left))
if not rules.is_table(right):
raise TypeError('Can only join table expressions, got %s for '
'right table' % type(left))
if left.equals(right):
right = right.view()
self.left = left
self.right = right
self.predicates = self._clean_predicates(join_predicates)
# Validate join predicates. Each predicate must be valid jointly when
# considering the roots of each input table
validator = ExprValidator([self.left, self.right])
validator.validate_all(self.predicates)
Node.__init__(self, [self.left, self.right, self.predicates])
