[wp-trac] [WordPress Trac] #15948: dbDelta SET Default <literal> Comment <literal>

WordPress Trac wp-trac at lists.automattic.com
Wed Dec 22 14:34:46 UTC 2010


#15948: dbDelta SET Default <literal> Comment <literal>
-----------------------------+-----------------------------
 Reporter:  hbanken          |      Owner:
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Upgrade/Install  |    Version:  3.1
 Severity:  major            |   Keywords:  sql, regex
-----------------------------+-----------------------------
 When dbDelta from wp_admin/includes/upgrade.php is used with a query
 containing different DEFAULT values than the actual TABLE in the database,
 dbDelta tries to update this DEFAULT value by altering the table. The
 regex that is used to find the new DEFAULT value is incorrect.

 Right now, the regex is '''| DEFAULT '(.*)'|i''' but this should be '''|
 DEFAULT '([^']*)'|i'''. Since, in the case a COMMENT value is set in the
 new query, the COMMENT value is also surrounded by single quotes ''''
 COMMENT 'literal''' is added to the new default value.

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Ticket URL: <http://core.trac.wordpress.org/ticket/15948>
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