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[Markus Zoeller <mzoeller@xxxxxxxxxx>]

This bug has the status "incomplete" for more than 30 days. It is unclear if this is an "invalid" bug or if it is an "opinion". I set it to "won't fix". 
Feel free to reopen the bug by providing the requested information and set the bug status back to "New".

** Changed in: nova
       Status: Incomplete => Won't Fix

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https://bugs.launchpad.net/bugs/1040694

Title:
  in-progress queries are intolerant of mysql restarts

Status in OpenStack Image Registry and Delivery Service (Glance):
  In Progress
Status in OpenStack Compute (Nova):
  Won't Fix
Status in Oslo Database library:
  Incomplete

Bug description:
  Glance is intolerant of mysql restarts with running queries and the currently ping_listener/wrap_db_error mechanism does not work for running queries.  This was logged in Bug #954971 and a solution (using wrap_db for queries)  merged.  The  fix was  removed in Bug #967887 as it did not work with later versions of sqlalchemy.  
  An alternative approach is to use the sqlalchemy  create_engine "module" parameter to override the engine behaviour and do the wrapping there.   (Mike Bayer of sqlalchemys recommended solution)   I will attach a patch which  does this

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