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    • Dmitry Shulga's avatar
      1f798940
    • Dmitry Shulga's avatar
      A fix and a test case for Bug#47924 -main.log_tables times out · 9c45600d
      Dmitry Shulga authored
      sporadically.
      
      The cause of the sporadic time out was a leaking protection
      against the global read lock, taken by the RENAME statement,
      and not released in case of an error occurred during RENAME.
      The leaking protection counter would lead to the value of
      protect_against_global_read never dropping to 0.
      Consequently FLUSH TABLES in all connections, including the
      one that leaked the protection, could not proceed.
       
      The fix is to ensure that all branchesin RENAME code properly
      release GRL protection.
      9c45600d