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  1. MariaDB Server
  2. MDEV-41842

Multi-kind mysql.event.kind ('STARTUP,SHUTDOWN') is accepted as a system trigger

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • N/A
    • N/A
    • Triggers
    • None
    • Can result in hang or crash
    • Q3/2026 Server Development, Q4/2026 Server Maintenance, Q1/2027 Server Development

    Description

      CREATE TABLE t (a INT) ENGINE=MyISAM;
      CREATE TRIGGER mk AFTER STARTUP INSERT INTO test.t VALUES (1);
      UPDATE mysql.event SET kind='STARTUP,SHUTDOWN' WHERE name='mk';
       
      SHOW CREATE TRIGGER mk;
       
      --source include/restart_mysqld.inc
       
      SELECT a FROM t;
      SELECT name, kind, status FROM mysql.event WHERE name='mk';
       
      DROP TRIGGER mk;
      DROP TABLE t;
      
      

      SHOW CREATE TRIGGER prints TRIGGER mk AFTER STARTUP,SHUTDOWN INSERT - which is invalid syntax. The trigger fires only at startup. Expected ER_SYSTEM_TRG_INVALID_METADATA as with kind=0

      bb-13.2-MDEV-30645 0c40227d1ae9f7fa6c62d
       
      CREATE TABLE t (a INT) ENGINE=MyISAM;
      CREATE TRIGGER mk AFTER STARTUP INSERT INTO test.t VALUES (1);
      UPDATE mysql.event SET kind='STARTUP,SHUTDOWN' WHERE name='mk';
       
      SHOW CREATE TRIGGER mk;
      Trigger	sql_mode	SQL Original Statement	character_set_client	collation_connection	Database Collation	Created
      mk	STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION	CREATE DEFINER=`root`@`localhost` TRIGGER `mk` AFTER STARTUP,SHUTDOWN INSERT INTO test.t VALUES (1)	latin1	latin1_swedish_ci	utf8mb4_uca1400_ai_ci	2026-10-27 12:23:57.00
       
       
      SELECT a FROM t;
      a
      1
      SELECT name, kind, status FROM mysql.event WHERE name='mk';
      name	kind	status
      mk	STARTUP,SHUTDOWN	ENABLED
      DROP TRIGGER mk;
      DROP TABLE t;
      

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              shulga Dmitry Shulga
              alice Alice Sherepa
              Dmitry Shulga Dmitry Shulga
              Oleksandr Byelkin Oleksandr Byelkin
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