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  1. MariaDB Server
  2. MDEV-28866

mariadb-upgrade to 10.8 mysql.column_stats hist_type + histogram errors

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    Description

      From https://github.com/MariaDB/mariadb-docker/issues/438

      Phase 4/7: Running 'mysql_fix_privilege_tables'
      		 
      2022-06-11  6:03:58 10 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
      		 
      2022-06-11  6:03:58 10 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
      		 
      2022-06-11  6:03:58 10 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
      		 
      2022-06-11  6:03:58 10 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
      		 
      2022-06-11  6:04:01 10 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB

      Confirmed with 10.3.34, 10.5.15 and 10.6.7 as the source version before the upgrade.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-26710 Histogram field in mysql.column_stats is too short, JSON histograms get corrupt

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

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              danblack Daniel Black
              danblack Daniel Black
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