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  1. Crowd Data Center
  2. CWD-3882

Add unique constraint on columns external_id and directory_id

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      In the table cwd_user, there should be no rows where the external_id is repeated for the same directory_id. Said in another way, the external_id should be unique for the same directory_id.

      To avoid this from causing problems, we should add a unique constraint at a database level in the table cwd_user.

      When two users share external_id and directory_id, the user is not able to login or update new information from the external user directory. Those actions will fail with the following error:

      org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2
        at org.springframework.orm.hibernate.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:590)
        at org.springframework.orm.hibernate.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:353)
        at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:375)
        at org.springframework.orm.hibernate.HibernateTemplate.execute(HibernateTemplate.java:337)
        at com.atlassian.crowd.embedded.hibernate2.HibernateUserDao.internalFindUserByExternalId(HibernateUserDao.java:501)
        at com.atlassian.crowd.embedded.hibernate2.HibernateUserDao.internalFindByExternalId(HibernateUserDao.java:473)
        at com.atlassian.crowd.embedded.hibernate2.HibernateUserDao.findByExternalId(HibernateUserDao.java:449)
        at com.atlassian.confluence.user.crowd.CachedCrowdUserDao.findByExternalId(CachedCrowdUserDao.java:164)
...

      This also affects embedded Crowd.

            Unassigned Unassigned
            aconde Alejandro Conde Carrillo (Inactive)
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              Created:
              Updated: