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Viewing changes to userdb/migrations/20080903-01.sql

  • Committer: William Grant
  • Date: 2009-01-20 02:49:22 UTC
  • mto: This revision was merged to the branch mainline in revision 1090.
  • Revision ID: grantw@unimelb.edu.au-20090120024922-6eb86loc19qwcldh
ivle.database.Enrolment: Add a groups attribute, containing groups of which
    this user is a member in this offering.
www/apps/userservice: Use Storm instead of get_enrolment_groups.
ivle.db.get_enrolment_groups: Kill. Unused.

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userdb/migrations/20080903-01.sql
 
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CREATE OR REPLACE FUNCTION check_group_namespacing_insertupdate()
 
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RETURNS trigger AS '
 
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    DECLARE
 
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        oid INTEGER;
 
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    BEGIN
 
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        SELECT offeringid INTO oid FROM project_set WHERE project_set.projectsetid = NEW.projectsetid;
 
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        PERFORM 1 FROM project_group, project_set WHERE project_set.offeringid = oid AND project_group.projectsetid = project_set.projectsetid AND project_group.groupnm = NEW.groupnm;
 
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        IF found THEN
 
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            RAISE EXCEPTION ''a project group named % already exists in offering ID %'', NEW.groupnm, oid;
 
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        END IF;
 
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        RETURN NEW;
 
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    END;
 
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' LANGUAGE 'plpgsql';