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  1. MariaDB Server
  2. MDEV-28545

MyISAM reorganize partition corrupt older table format

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      Description

      for the table definition:

      ID_SUB_SITE int(10) NOT NULL AUTO_INCREMENT,
      DATE_METER timestamp / mariadb-5.3 / NOT NULL DEFAULT current_timestamp(),
      MEASURE_VALUE mediumint(8) unsigned DEFAULT NULL
      PRIMARY KEY (ID_SUB_SITE,DATE_METER,DELAY_IN_MINUTES) USING BTREE,
        KEY EDA_SITE_RESULT_FKIndex1 (DATE_METER),
       KEY EDA_SITE_RESULT_FKIndex2 (DELAY_IN_MINUTES)
      ) ENGINE=MyISAM AUTO_INCREMENT=873679 DEFAULT CHARSET=utf8mb3
       PARTITION BY RANGE (unix_timestamp(DATE_METER))
      (PARTITION p20220220 VALUES LESS THAN (1645398000) ENGINE = MyISAM,
       PARTITION p20220504 VALUES LESS THAN (1651701600) ENGINE = MyISAM,
       PARTITION p20220505` VALUES LESS THAN (1651788000) ENGINE = MyISAM,
      ...
      PARTITION `pDEFAULT` VALUES LESS THAN MAXVALUE ENGINE = MyISAM)
      

      After restoring a snapshot of MariaDB 10.3 datadir upgrade mariadb and system tables to 10.6
      Do a repair table

      And run following query

      ALTER TABLE DATA_V3.EDA_SITE_RESULT_REAL_TIME REORGANIZE PARTITION  pDEFAULT  INTO ( PARTITION p20220515 VALUES LESS THAN  ( UNIX_TIMESTAMP( '2022-05-16')),  PARTITION pDEFAULT VALUES LESS THAN MAXVALUE) 
      

      The table get corrupted

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            Assignee:
            Unassigned Unassigned
            Reporter:
            stephane@skysql.com VAROQUI Stephane
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              Updated:

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