You wrote you know how to do it with mysql. DAL doesn't care what db you use. Trigonometric functions are not supported by DAL anyway. So I recommend you to apply your mysql solution using raw sql queries, suggested already by Alan: http://web2py.com/books/default/chapter/29/6#Raw-sql
- [web2py] Is there any way to calculate distance between... Kenny
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- [web2py] Re: Is there any way to calculate distanc... Alan Etkin