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  1. MariaDB Server
  2. MDEV-25936

Crash during DDL that involves FULLTEXT INDEX

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      In a recent 10.6-based branch, the following was observed:

      innodb.foreign_key 'innodb,read-ahead'   w2 [ fail ]
              Test ended at 2021-06-15 07:34:57
       
      CURRENT_TEST: innodb.foreign_key
      mysqltest: At line 165: query 'DROP DATABASE best' failed: <Unknown> (2013): Lost connection to server during query
      2021-06-15 07:34:56 0xaf95eb40  InnoDB: Assertion failure in file /home/buildbot/buildbot/build/mariadb-10.6.2/storage/innobase/dict/dict0dict.cc line 1895
      InnoDB: Failing assertion: table->get_ref_count() == 0
      

      Thirunarayanan Balathandayuthapani was able to repeat this locally. The reason turned out to be a race condition in the fts_lock_table() check that tries to ensure that no purge task is executing on an internal FTS_ table.

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              Assignee:
              marko Marko Mäkelä
              Reporter:
              marko Marko Mäkelä
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