[wp-trac] [WordPress Trac] #31045: Ordering a Query Using Multiple Meta Keys

[WordPress Trac]

#31045: Ordering a Query Using Multiple Meta Keys
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 Reporter:  Funkatronic                   |       Owner:
     Type:  feature request               |      Status:  new
 Priority:  normal                        |   Milestone:  Future Release
Component:  Query                         |     Version:  trunk
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:
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Changes (by boonebgorges):

 * keywords:  needs-patch => needs-patch needs-unit-tests


Comment:

 Cool, thanks for the initial patch. For syntax, we should tap into the
 existing WP_Query orderby code. Check out `parse_orderby()`
 https://core.trac.wordpress.org/browser/tags/4.1/src/wp-
 includes/query.php#L2207. It gets a "primary_meta_key" from the meta query
 and checks it against the keys passed to orderby. We need to keep some of
 this logic, because `orderby=meta_value` will continue to work this way.
 But for the more general case, I suppose we'll have to loop through the
 meta query clauses and compile a list of available aliases.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31045#comment:4>
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