[wp-trac] [WordPress Trac] #30257: wpdb::get_var() returns NULL for existing values that are empty strings

[WordPress Trac]

#30257: wpdb::get_var() returns NULL for existing values that are empty strings
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 Reporter:  tyxla         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Database      |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Changes (by jdgrimes):

 * keywords:   => has-patch


Comment:

 This behavior goes all the way back to when EZ SQL was added in [112].
 That means that there is 11 years of code built on top of this, and
 expecting this behavior. There are even
 [https://core.trac.wordpress.org/browser/trunk/src/wp-
 includes/option.php#L80 places in core that use get_row() instead] to get
 around this "feature". It might too late to turn back now.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30257#comment:2>
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