[wp-trac] [WordPress Trac] #18747: Custom Taxonomy Search/Filter Bug

[WordPress Trac]

#18747: Custom Taxonomy Search/Filter Bug
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 Reporter:  wordpressplugindeveloper  |      Owner:
     Type:  defect (bug)              |     Status:  new
 Priority:  normal                    |  Milestone:  Awaiting Review
Component:  General                   |    Version:
 Severity:  normal                    |   Keywords:
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 First of all, I'm really sorry for my previous fake report.
 This time, I have done enough search and test, and I can't find out a
 solution.
 I'm using fresh 3.2.1 installation for testing this plugin.
 http://wordpress.stackexchange.com/questions/578/adding-a-taxonomy-filter-
 to-admin-list-for-a-custom-post-type/3215
 https://gist.github.com/541505

 public param value is true.
 exclude_from_search is false

 However, it doesn't work so I have to  trace the wordpress source code.
 Here is what I find in the 177th line in wp-includes/query.php.

 $tax_query[] = array(
                                 'taxonomy' => 'category',
                                 ******
                         );

 then,

 $this->tax_query = new WP_Tax_Query( $tax_query );

 in the 2199th line,
 $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );

 WP_Tax_Query is in wp-includes/taxonomy.php

 get_sql  -> clean_query -> transform_query invokes sql operation

 SELECT $wpdb->term_taxonomy.******* WHERE taxonomy = 'query['taxonomy']'
 AND *****

 however, the  'query['taxonomy']' is 'category' which was hardcoded in the
 177th line in wp-includes/query.php.

 Is this a bug?

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Ticket URL: <http://core.trac.wordpress.org/ticket/18747>
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