Hi guys, I was wondering if i could create a sums column on an SQLFORM.grid 
so that every search that's made produces a sums value, something like this:






*def payments():    grid = SQLFORM.grid(db.payments, args=[db.payments])    
if grid.process().accepted:        query=("#Search queries of the 
SQLFORMgrid")        amount = 
db(query).select((db.payments.amount).sum().with_alias('total'))    return 
locals()*

Whats possible and whats not?

Regards;

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