[wp-trac] [WordPress Trac] #63640: Track the usage of MyISAM storage engine

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Tue Oct 21 02:49:10 UTC 2025


#63640: Track the usage of MyISAM storage engine
-----------------------------+----------------------
 Reporter:  desrosj          |       Owner:  desrosj
     Type:  feature request  |      Status:  closed
 Priority:  low              |   Milestone:  6.9
Component:  Upgrade/Install  |     Version:
 Severity:  normal           |  Resolution:  fixed
 Keywords:  has-patch        |     Focuses:
-----------------------------+----------------------
Changes (by desrosj):

 * owner:  (none) => desrosj
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"61001" 61001]:
 {{{
 #!CommitTicketReference repository="" revision="61001"
 Upgrade/Install: Indicate use of `MyISAM` storage engine in upgrade check.

 In MySQL 5.5.5, the default storage engine was changed from `MyISAM` to
 `InnoDB`. While still available, usage of `MyISAM` has been discouraged
 since and is considered legacy due to the lack of support for more modern
 feature.

 The percentage of WordPress sites with `MyISAM` tables in the wild is
 currently unknown. This change adds a field to upgrade checks that
 includes a list of tables using `MyISAM` to help make more informed
 decisions about database features in the future.

 Props johnjamesjacoby, johnbillion, dd32, desrosj, mukesh27.
 Fixes #63640.
 }}}

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/63640#comment:6>
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