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  1. MariaDB Server
  2. MDEV-25495

Auto-drop old history partition for system-versioned tables that use auto-creation

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      Enable history partitions rotation with AUTO argument to specify maximum number of partitions kept in the table:

      create table t1 (x int) with system versioning
      partition by system_time interval 1 hour auto 25;
       
      create table t1 (x int) with system versioning
      partition by system_time interval 1 month auto 13;
      

      Or with explicit partitions:

      create table t1 (x int) with system versioning
      partition by system_time interval 1 hour auto 25
      (partition p0 history, partition pn current);
      

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              serg Sergei Golubchik
              midenok Aleksey Midenkov
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