Model:
db.define_table('item',
Field('unit_price','double'),
Field('quantity','integer'),
Field.Virtual('total_price', lambda row: row.unit_price*row.quantity)
)
just trying to access item table via appadmin gives:
Traceback (most recent call last):
File "C:\w2p\web2py_2.3.2_src\applications\test\controllers/appadmin.py",
line 227, in select
limitby=(start, stop))
File "C:\w2p\web2py_2.3.2_src\gluon\dal.py", line 8905, in select
return adapter.select(self.query,fields,attributes)
File "C:\w2p\web2py_2.3.2_src\gluon\dal.py", line 2146, in select
return super(SQLiteAdapter, self).select(query, fields, attributes)
File "C:\w2p\web2py_2.3.2_src\gluon\dal.py", line 1631, in select
return self._select_aux(sql,fields,attributes)
File "C:\w2p\web2py_2.3.2_src\gluon\dal.py", line 1612, in _select_aux
return processor(rows,fields,self._colnames,cacheable=cacheable)
File "C:\w2p\web2py_2.3.2_src\gluon\dal.py", line 2010, in parse
box[f] = v.f(row)
File "C:\w2p\web2py_2.3.2_src\applications\test\models\item.py", line 4, in
<lambda>
Field.Virtual('total_price', lambda row: row.unit_price*row.quantity)
AttributeError: 'Row' object has no attribute 'unit_price'
Using sqlite. This happens even after deleting all databases.
Denes
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