[wp-trac] [WordPress Trac] #33206: Ignore the sitecategories table during network update if global terms are not enabled

[WordPress Trac]

#33206: Ignore the sitecategories table during network update if global terms are
not enabled
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 Reporter:  nofearinc        |       Owner:  dd32
     Type:  defect (bug)     |      Status:  assigned
 Priority:  low              |   Milestone:  4.3
Component:  Upgrade/Install  |     Version:  4.2
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:
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Comment (by SergeyBiryukov):

 Replying to [comment:8 SergeyBiryukov]:
 > [attachment:33206.diff] causes a fatal error

 In [source:tags/4.2.4/src/wp-settings.php#L81 wp-settings.php],
 `wp_set_wpdb_vars()` happens before `wp_start_object_cache()`, so the
 object cache is not yet available. We're trying to call
 `get_site_option()` via [source:tags/4.2.4/src/wp-
 includes/functions.php#L3881 global_terms_enabled()] too early.

 Checking the DB table seems to work, see [attachment:33206.2.diff].

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Ticket URL: <https://core.trac.wordpress.org/ticket/33206#comment:9>
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