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  1. MariaDB Server
  2. MDEV-24555

sql/event_db_repository.cc does not check for all sql_mode values

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Minor
    • Resolution: Unresolved
    • 10.4.14, 10.4, 10.5
    • 10.4, 10.5
    • Events, Upgrades
    • None

    Description

      mysql.event table check fails during mysqld start after upgrading 10.2 to 10.4.
      The error message is:

      [ERROR] Incorrect definition of table mysql.event: expected column 'sql_mode' at position 14 to have type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH','EMPTY_STRING_IS_NULL','SIMULTANEOUS_ASSIGNMENT'), found type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_V...
      2021-01-09 9:28:26 0 [ERROR] mysqld: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.

      I believe the reason for the error is that MDEV-16991 has added new enum value TIME_ROUND_FRACTIONAL to the sql_mode column and mysql_system_tables_fix.sql script alters the table during mysql_update. But the corresponding value has not been added to the event_table_fields struct (in sql/event_db_repository.cc), and thus the Event_db_repository::check_system_tables returns back the error.

      The version we use is 10.4.13 but I checked the latest 10.6 branch and the issue seems to still be still there.

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            sanja Oleksandr Byelkin
            alurie Andrei Lurie
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              Updated:

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