def get_totals(): response.generic_patterns = ['json'] query=(db.item.id==db.sale.id_items) total_price = 0 total_cost = 0 total_items = 0 rows = db(query).select(db.item.base_price,db.item.price,db.sale.total_items) for r in rows: total_price += r.item.price * r.sale.total_items total_cost += r.item.base_price * r.sale.total_items total_items += r.sale.total_items profit = total_price - total_cost
return dict(total_price = str(total_price) , total_profit = str(profit) , total_items = str(total_items)) This is waht i am doing. and i am getting this : Traceback (most recent call last): File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/restricted.py", line 192, in restricted exec ccode in environment File "/base/data/home/apps/s~herspos/1.354149753338895814/applications/HersPOS/controllers/default.py:get_totals", line 218, in <module> File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/globals.py", line 145, in <lambda> self._caller = lambda f: f() File "/base/data/home/apps/s~herspos/1.354149753338895814/applications/HersPOS/controllers/default.py:get_totals", line 168, in get_totals File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/dal.py", line 5481, in select return self.db._adapter.select(self.query,fields,attributes) File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/dal.py", line 3292, in select (items, tablename, fields) = self.select_raw(query,fields,attributes) File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/dal.py", line 3240, in select_raw tablename = self.get_table(query) File "/base/data/home/apps/s~herspos/1.354149753338895814/gluon/dal.py", line 1052, in get_table raise RuntimeError, "Too many tables selected" RuntimeError: Too many tables selected How to not use 2 tables to make a relationship ? Just no relationship at all GRR! ?