[wp-trac] [WordPress Trac] #26056: Database is not upgraded in multisite if loopback is disabled

[WordPress Trac]

#26056: Database is not upgraded in multisite if loopback is disabled
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 Reporter:  creativeinfusion  |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  Awaiting Review
Component:  Multisite         |     Version:  3.0
 Severity:  major             |  Resolution:
 Keywords:                    |
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Comment (by SergeyBiryukov):

 I was under an impression that if the database needs to be upgraded, a
 redirect to `wp-admin/upgrade.php` is performed upon logging in for both
 single site and sub-sites of a Multisite install.

 However, that's not the case, the redirect is only performed for single
 site. Multisite still tries a full network upgrade via `wp_remote_get()`,
 as noted in the ticket description: [source:tags/3.7.1/src/wp-
 admin/admin.php#L44].

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Ticket URL: <http://core.trac.wordpress.org/ticket/26056#comment:3>
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