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  • Committer: William Grant
  • Date: 2010-02-23 08:48:09 UTC
  • mfrom: (1673 trunk)
  • mto: This revision was merged to the branch mainline in revision 1674.
  • Revision ID: grantw@unimelb.edu.au-20100223084809-du6dvsxrjhw15ytr
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BEGIN;
 
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DROP TRIGGER deactivate_semester_enrolments ON semester;
 
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DROP FUNCTION deactivate_semester_enrolments_update();
 
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DROP TRIGGER confirm_active_semester ON enrolment;
 
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DROP FUNCTION confirm_active_semester_insertupdate();
 
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ALTER TABLE semester ADD COLUMN state TEXT NOT NULL DEFAULT 'current';
 
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ALTER TABLE semester ADD CONSTRAINT semester_state_check CHECK (state IN ('disabled', 'past', 'current', 'future'));
 
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UPDATE semester SET state='past' WHERE active='false';
 
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ALTER TABLE semester DROP COLUMN active;
 
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COMMIT;