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Viewing changes to userdb/migrations/20090225-01.sql

  • Committer: mattgiuca
  • Date: 2008-07-15 07:19:34 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:875
Added "migrations" directory, which contains incremental database update
    scripts.
Updated users.sql, uniqueness key on offering table.
Added migration matching this update to the migrations directory. Mm handy!

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userdb/migrations/20090225-01.sql
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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;