Hi,
Supposed a model:
db.define_table('test',
Field('t1', 'integer'),
Field('t2', 'integer'),
)
How to find the difference in db.test.t1 (ex: db.test.t2(row2) =
db.test.t1(row2) - db.test.t1(row1)) and store the result in db.test.t2.
What approach should i used? Thanks.
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