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  1. MariaDB Server
  2. MDEV-25531

Auto-create: Bad error message upon failure to create partitions due to ER_TOO_MANY_PARTITIONS_ERROR

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    Description

      The test case is taken from the MTR test, so there is no need to add it anywhere:

      set timestamp= unix_timestamp('2000-01-01 00:00:00');
      		 
      create or replace table t1 (x int) with system versioning partition by system_time interval 1 hour auto;
      		 
      set timestamp= unix_timestamp('2001-01-01 00:01:00');
      		 
      update t1 set x= x + 1;

      The UPDATE results in

      bb-10.6-midenok-MDEV-17554 b96b96f9f3e

      		 
      MariaDB [test]>  update t1 set x= x + 1;
      		 
      ERROR 1499 (HY000): Too many partitions (including subpartitions) were defined

      While it is indeed what happens underneath, the error message is really unsuitable and confusing in this situation: UPDATE doesn't define any partitions at all, and in this case even the table definition doesn't "define too many partitions".

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          relates to

          Task - A task that needs to be done. MDEV-17554 Auto-create history partitions for system-versioned tables

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              midenok Aleksey Midenkov
              elenst Elena Stepanova
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                Updated:
                Resolved:

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