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[Xurong Yang <yangxurong@xxxxxxxxxx>]

Public bug reported:

_delete_port_security_group_bindings will delete
SecurityGroupPortBinding associated with the port being deleted. But
since SecurityGroupPortBinding has a foreign key constraint with port
and cascade deleting is defined, SecurityGroupPortBinding can be deleted
when port is deleted, thus _delete_port_security_group_bindings call in
ML2 delete_port is not needed and can be removed.

** Affects: neutron
     Importance: Undecided
     Assignee: Xurong Yang (idopra)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Xurong Yang (idopra)

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https://bugs.launchpad.net/bugs/1373199

Title:
  _delete_port_security_group_bindings not needed in ML2 delete_port

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  _delete_port_security_group_bindings will delete
  SecurityGroupPortBinding associated with the port being deleted. But
  since SecurityGroupPortBinding has a foreign key constraint with port
  and cascade deleting is defined, SecurityGroupPortBinding can be
  deleted when port is deleted, thus
  _delete_port_security_group_bindings call in ML2 delete_port is not
  needed and can be removed.

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