def concat(self, *others):
"""
Concatenate expression lists
Returns
-------
combined : ExprList
"""
import ibis.expr.operations as ops
exprs = list(self.exprs())
for o in others:
if not isinstance(o, ExprList):
raise TypeError(o)
exprs.extend(o.exprs())
return ops.ExpressionList(exprs).to_expr()
def rename(self, f):
import ibis.expr.operations as ops
new_exprs = [x.name(f(x.get_name())) for x in self.exprs()]
return ops.ExpressionList(new_exprs).to_expr()
