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  1. MariaDB Server
  2. MDEV-20565

Assertion failure on CHANGE COLUMN…SYSTEM VERSIONING

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    Description

      The following will trigger a debug assertion failure in InnoDB:

      --source include/have_innodb.inc
      		 
      set @@system_versioning_alter_history=keep;
      		 
      CREATE TABLE t (alpha INT, b INT) ENGINE=InnoDB WITH SYSTEM VERSIONING;
      		 
      ALTER TABLE t CHANGE COLUMN alpha a INT WITHOUT SYSTEM VERSIONING;
      		 
      DROP TABLE t;

      The assertion failure is as follows:

      10.4 ea0be9e2d63467064292559762887495772240fc

      		 
      Version: '10.4.3-MariaDB-debug-log'  socket: '/dev/shm/10.4o/mysql-test/var/tmp/mysqld.1.sock'  port: 16000  Source distribution
      		 
      mysqld: /mariadb/10.4o/storage/innobase/handler/handler0alter.cc:9090: bool innobase_rename_or_enlarge_column_try(const dict_table_t *, trx_t *, const char *, ulint, const Field &, const Create_field &, bool): Assertion `col->prtype == prtype' failed.

      This is the first affected revision, found by nikitamalyavin.

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          is caused by

          Task - A task that needs to be done. MDEV-15564 Avoid table rebuild in ALTER TABLE on collation or charset changes

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

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              marko Marko Mäkelä
              marko Marko Mäkelä
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                Created:
                Updated:
                Resolved:

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