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  1. MariaDB Server
  2. MDEV-25507

CHECK on encrypted Aria table complains about "Wrong LSN"

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      Note:
      I've set affected version tentatively to 10.5-10.6, because the problem is visible there. But the diagnostic was only added in the 10.5 part of MDEV-17913. So, it can be a false positive in 10.5 if CHECK reports a non-existing issue, or it can be a real problem which is not visible in 10.4 due to the absence of diagnostics (or, of course it can also be a 10.5-only issue).

      --source suite/encryption/include/have_file_key_management_plugin.inc
       
      SET @aria_encrypt= @@aria_encrypt_tables;
      SET GLOBAL aria_encrypt_tables= 1;
       
      CREATE TABLE t1 (f DATE PRIMARY KEY) ENGINE=Aria;
      INSERT INTO t1 (f) VALUES ('1995-01-01'),('2000-01-01');
      DELETE FROM t1 WHERE f = '2000-01-01';
      OPTIMIZE TABLE t1;
      CHECK TABLE t1 EXTENDED;
       
      # Cleanup
      DROP TABLE t1;
      SET GLOBAL aria_encrypt_tables= @aria_encrypt;
      

      10.5 b8fad8c6

      CHECK TABLE t1 EXTENDED;
      Table	Op	Msg_type	Msg_text
      test.t1	check	error	Page 1:  Wrong LSN (3885152,0x70806be8). Current LSN is (1,0x9574)
      test.t1	check	error	Table is probably from another system and must be zerofilled or repaired ('REPAIR TABLE table_name') to be usable on this system
      test.t1	check	error	Corrupt
      

      The printout was added by this commit:

      commit 81258f14323e1d1ad0203bae93bc55a30d47c1b3
      Author: Monty
      Date:   Fri Apr 2 22:00:36 2021 +0300
       
          MDEV-17913 Encrypted transactional Aria tables remain corrupt after crash recovery, automatic repairment does not work
      

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              monty Michael Widenius
              elenst Elena Stepanova
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