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Viewing changes to userdb/migrations/20080707-01.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/20080707-01.sql
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BEGIN;
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CREATE TABLE subject (                                                               
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    subjectid       SERIAL PRIMARY KEY NOT NULL,
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    subj_code       VARCHAR UNIQUE NOT NULL,
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    subj_name       VARCHAR NOT NULL,
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    subj_short_name VARCHAR,    -- may be null
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    url             VARCHAR
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);
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DELETE FROM offering;
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ALTER TABLE offering DROP COLUMN subj_code;
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ALTER TABLE offering DROP COLUMN subj_name;
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ALTER TABLE offering DROP COLUMN url;
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ALTER TABLE offering ADD COLUMN subject INT4 REFERENCES subject (subjectid) NOT NULL;
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COMMIT;
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