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[François Marier <francois@xxxxxxxxxx>]

** Changed in: mahara
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/916998

Title:
  Bulk deletion fails for users with personal messages with replies

Status in Mahara ePortfolio:
  Fix Committed

Bug description:
  When a user is deleted, an attempt is made to delete all
  notification_internal_activity records for that user.  This attempt
  can fail, because in the case of personal message threads, other rows
  in notification_internal_activity can point to the records we are
  trying to delete, resulting in a foreign key error.

  This error occurs outside the db transaction in delete_user(), so
  usually this bug doesn't stop users from being deleted, it stops their
  internal notifications from being deleted.  In bulk delete operations,
  all the calls to delete_user are wrapped in a transaction, so deletion
  fails.

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