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%% This tests the presence of possible races due to an mnesia:dirty_read/
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%% mnesia:dirty_write combination. It takes into account multiple
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%% mnesia:dirty_writes that might exist.
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-module(mnesia_dirty_read_write_double2).
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-record(employee, {emp_no,
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raise(Eno, Raise, Room) ->
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[E] = mnesia:dirty_read({employee, Eno}),
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Salary = E#employee.salary + Raise,
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New = E#employee{salary = Salary},
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mnesia:dirty_write(New),
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New = E#employee{room_no = Room},
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mnesia:dirty_write(New).