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By: a guest on Apr 24th, 2012  |  syntax: None  |  size: 0.34 KB  |  hits: 14  |  expires: Never
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  1. How does web2py query expressions work?
  2. db = DAL('sqlite://storage.db')
  3. myquery = (db.mytable.myfield > 'A')
  4. myset = db(myquery)
  5. rows = myset.select()
  6. for row in rows:
  7.     print row.myfield
  8.        
  9. db.mytable.myfield > 'A'
  10.        
  11. class DBField(...):
  12. #...
  13.  
  14.    def __gt__(self,value):
  15.       #building query object, based on value
  16.       return query
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