def match(self, expr):
out=None
if isinstance(expr, alloexpr.SelectExpr):
out=ResultSet(self, col=expr.select, order=expr.order)
else:
out=ResultSet(self)
for row in self.data:
if expr.val(row):
out.put(row)
out.close()
return out
def row_from_id(self, id):
rs = ResultSet(self)
rs.put(self.ids[id] if (id in self.ids) else [])
return rs.close()