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

[WordPress Trac]

#21663: Use PDO for MySQL queries when PDO is available
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 Reporter:  scottconnerly                        |       Owner:
     Type:  task (blessed)                       |      Status:  new
 Priority:  normal                               |   Milestone:  Future
Component:  Database                             |  Release
 Severity:  normal                               |     Version:  3.5
 Keywords:  dev-feedback has-patch needs-        |  Resolution:
  testing                                        |
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Changes (by nacin):

 * milestone:  3.6 => Future Release


Comment:

 Ryan and I discussed this ticket about a month ago in IRC and decided then
 it should be punted. I am sorry this did not make it back to the ticket.
 For a few reasons.

 PHP 5.5 isn't out yet, and PHP 5.4 (despite being out for a year) as a
 whopping 1% market penetration. Because this only results in E_DEPRECATED
 (which we suppress anyway), we're at least a few months to a year out
 before we even start to look bad here, and we'll work just fine for a
 while. I would love to revisit this and get it done in either 3.7 or 3.8
 (as in, this year). It just isn't a priority for 3.6.

 Emphasis this cycle on slashing, caching, and our nascent terms roadmap
 needed to take precedence, and we didn't have as much bandwidth as
 expected to cover everything.

 Once PHP 5.5 is out, I imagine there will be increased interest in this
 ticket. That is good. Maybe at that point there can be a better consensus
 on the approach, as well as a clearer picture of the impact.

 Even something as simple as deciding which engine will be used if both are
 available (pre-5.5) is an important decision. Our mysql engine *does
 work*. We don't want a bug in the PDO engine to cause us problems on
 servers and PHP versions that are just fine. Also, PDO has quite a bit of
 bugs in earlier versions of PHP (5.2, 5.3) which make up the most of our
 target audience. We should research said issues.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21663#comment:71>
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