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MDEV-9416: MariaDB galera got signal 11 when altering table add uniqu…
…e index When a BF thread attempts to abort a victim thread's transaction, the victim thread is not locked and thus its not safe to rely on its data structures like htons registered for the trx. So, instead of getting the registered htons from victim, innodb's hton can be looked up directly from installed_htons[] and used to abort the transaction. (Same technique is used in older versions)
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Nirbhay Choubey
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Sep 28, 2016
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