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Committer:
Nick Chadwick
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Date:
2009-02-20 23:01:15 UTC
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mto:
(1099.1.180 new-dispatch)
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mto:
This revision was merged to the branch mainline in
revision
1100.
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Revision ID:
chadnickbok@gmail.com-20090220230115-3siukvo56bu7bcae
Made what should (hopefully) be the last changes to the database schema.
Worksheet_Exercise now has a SERIAL primary key, to deal with a
limitation in Storm References. Exercise Saves and Attempts now link
to a specific WorksheetExercise, which links a specific worksheet
to an exercise.
This new system should allow us to easily extend it to be
version-controlled in future.