[wp-trac] [WordPress Trac] #21663: Use mysqli for MySQL queries when available

[WordPress Trac]

#21663: Use mysqli for MySQL queries when available
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 Reporter:  scottconnerly   |       Owner:
     Type:  task (blessed)  |      Status:  new
 Priority:  normal          |   Milestone:  3.9
Component:  Database        |     Version:  3.5
 Severity:  normal          |  Resolution:
 Keywords:  needs-testing   |     Focuses:
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Comment (by pento):

 To try and workaround situations where mysqli fails to connect, but mysql
 probably works, attachment:21663.17.diff implements a fallback to mysql,
 if the first attempt to connect through mysqli fails.

 This patch doesn't try to figure out why the mysqli connection failed - if
 it's a connection configuration issue as described in comment:212, then it
 should just fallback nicely to mysql. If it's a more serious issue (ie,
 the server has gone away), mysql will return the same error as mysqli.

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Ticket URL: <https://core.trac.wordpress.org/ticket/21663#comment:222>
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