[wp-trac] [WordPress Trac] #21212: MySQL tables should use utf8mb4 character set

[WordPress Trac]

#21212: MySQL tables should use utf8mb4 character set
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 Reporter:  pento        |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Database     |     Version:  3.4.1
 Severity:  minor        |  Resolution:
 Keywords:  has-patch    |
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Comment (by pento):

 New patch implements this functionality in $wpdb instead. It's in
 wpdb::set_charset() instead of wpdb::init_charset() because
 mysql_get_server_info() needs to happen after the connection is opened.

 This shouldn't affect existing installs - if they have MySQL < 5.5.3, the
 code won't be run. If they have MySQL >= 5.5.3, my testing shows that
 feeding a utf8mb4 string into a utf8 column has the same behaviour as it
 always did - replacing 4 byte characters with a placeholder.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21212#comment:5>
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