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<title>[16843] trunk/wp-includes: Set tax query defaults earlier,
  for notice prevention and convenience.</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/16843">16843</a></dd>
<dt>Author</dt> <dd>scribu</dd>
<dt>Date</dt> <dd>2010-12-09 17:05:40 +0000 (Thu, 09 Dec 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Set tax query defaults earlier, for notice prevention and convenience. See <a href="http://trac.wordpress.org/ticket/15752">#15752</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesqueryphp">trunk/wp-includes/query.php</a></li>
<li><a href="#trunkwpincludestaxonomyphp">trunk/wp-includes/taxonomy.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesqueryphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/query.php (16842 => 16843)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/query.php        2010-12-09 16:55:09 UTC (rev 16842)
+++ trunk/wp-includes/query.php        2010-12-09 17:05:40 UTC (rev 16843)
</span><span class="lines">@@ -1491,7 +1491,6 @@
</span><span class="cx">                                 'taxonomy' =&gt; $q['taxonomy'],
</span><span class="cx">                                 'terms' =&gt; array( $q['term'] ),
</span><span class="cx">                                 'field' =&gt; 'slug',
</span><del>-                                'operator' =&gt; 'IN',
</del><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="cx"> 
</span><span class="lines">@@ -1500,7 +1499,6 @@
</span><span class="cx">                                 $tax_query_defaults = array(
</span><span class="cx">                                         'taxonomy' =&gt; $taxonomy,
</span><span class="cx">                                         'field' =&gt; 'slug',
</span><del>-                                        'operator' =&gt; 'IN'
</del><span class="cx">                                 );
</span><span class="cx"> 
</span><span class="cx">                                  if ( isset( $t-&gt;rewrite['hierarchical'] ) &amp;&amp; $t-&gt;rewrite['hierarchical'] ) {
</span><span class="lines">@@ -1550,7 +1548,6 @@
</span><span class="cx">                         $tax_query[] = array(
</span><span class="cx">                                 'taxonomy' =&gt; 'category',
</span><span class="cx">                                 'terms' =&gt; $q['category__in'],
</span><del>-                                'operator' =&gt; 'IN',
</del><span class="cx">                                 'field' =&gt; 'term_id'
</span><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="lines">@@ -1561,7 +1558,6 @@
</span><span class="cx">                                 'taxonomy' =&gt; 'category',
</span><span class="cx">                                 'terms' =&gt; $q['category__not_in'],
</span><span class="cx">                                 'operator' =&gt; 'NOT IN',
</span><del>-                                'field' =&gt; 'term_id'
</del><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="cx"> 
</span><span class="lines">@@ -1570,8 +1566,6 @@
</span><span class="cx">                         $tax_query[] = array(
</span><span class="cx">                                 'taxonomy' =&gt; 'post_tag',
</span><span class="cx">                                 'terms' =&gt; $qv['tag_id'],
</span><del>-                                'operator' =&gt; 'IN',
-                                'field' =&gt; 'term_id'
</del><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="cx"> 
</span><span class="lines">@@ -1579,8 +1573,6 @@
</span><span class="cx">                         $tax_query[] = array(
</span><span class="cx">                                 'taxonomy' =&gt; 'post_tag',
</span><span class="cx">                                 'terms' =&gt; $q['tag__in'],
</span><del>-                                'operator' =&gt; 'IN',
-                                'field' =&gt; 'term_id'
</del><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="cx"> 
</span><span class="lines">@@ -1589,11 +1581,15 @@
</span><span class="cx">                                 'taxonomy' =&gt; 'post_tag',
</span><span class="cx">                                 'terms' =&gt; $q['tag__not_in'],
</span><span class="cx">                                 'operator' =&gt; 'NOT IN',
</span><del>-                                'field' =&gt; 'term_id'
</del><span class="cx">                         );
</span><span class="cx">                 }
</span><span class="cx"> 
</span><ins>+                _set_tax_query_defaults( $tax_query );
+
</ins><span class="cx">                 foreach ( $tax_query as $query ) {
</span><ins>+                        if ( ! is_array( $query ) )
+                                continue;
+
</ins><span class="cx">                         if ( 'IN' == $query['operator'] ) {
</span><span class="cx">                                 switch ( $query['taxonomy'] ) {
</span><span class="cx">                                         case 'category':
</span><span class="lines">@@ -1945,7 +1941,8 @@
</span><span class="cx">                 // Taxonomies
</span><span class="cx">                 if ( !$this-&gt;is_singular ) {
</span><span class="cx">                         $this-&gt;tax_query = $this-&gt;parse_tax_query( $q );
</span><del>-                        if ( !empty( $this-&gt;tax_query ) ) {
</del><ins>+
+                        if ( ! empty( $this-&gt;tax_query ) ) {
</ins><span class="cx">                                 $clauses = call_user_func_array( 'get_tax_sql', array( $this-&gt;tax_query, $wpdb-&gt;posts, 'ID', &amp;$this) );
</span><span class="cx"> 
</span><span class="cx">                                 $join .= $clauses['join'];
</span></span></pre></div>
<a id="trunkwpincludestaxonomyphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/taxonomy.php (16842 => 16843)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/taxonomy.php        2010-12-09 16:55:09 UTC (rev 16842)
+++ trunk/wp-includes/taxonomy.php        2010-12-09 17:05:40 UTC (rev 16843)
</span><span class="lines">@@ -533,7 +533,9 @@
</span><span class="cx">         $where = array();
</span><span class="cx">         $i = 0;
</span><span class="cx"> 
</span><del>-        if ( isset( $tax_query['relation'] ) &amp;&amp; strtoupper( $tax_query['relation'] ) == 'OR' ) {
</del><ins>+        _set_tax_query_defaults( $tax_query );
+
+        if ( strtoupper( $tax_query['relation'] ) == 'OR' ) {
</ins><span class="cx">                 $relation = 'OR';
</span><span class="cx">         } else {
</span><span class="cx">                 $relation = 'AND';
</span><span class="lines">@@ -543,13 +545,7 @@
</span><span class="cx">                 if ( ! is_array( $query ) )
</span><span class="cx">                         continue;
</span><span class="cx"> 
</span><del>-                extract( wp_parse_args( $query, array(
-                        'taxonomy' =&gt; array(),
-                        'terms' =&gt; array(),
-                        'include_children' =&gt; true,
-                        'field' =&gt; 'term_id',
-                        'operator' =&gt; 'IN',
-                ) ) );
</del><ins>+                extract( $query );
</ins><span class="cx"> 
</span><span class="cx">                 $taxonomies = (array) $taxonomy;
</span><span class="cx"> 
</span><span class="lines">@@ -625,6 +621,28 @@
</span><span class="cx">         return compact( 'join', 'where' );
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+function _set_tax_query_defaults( &amp;$tax_query ) {
+        if ( ! isset( $tax_query['relation'] ) )
+                $tax_query['relation'] = 'AND';
+
+        $defaults = array(
+                'taxonomy' =&gt; array(),
+                'terms' =&gt; array(),
+                'include_children' =&gt; true,
+                'field' =&gt; 'term_id',
+                'operator' =&gt; 'IN',
+        );
+
+        foreach ( $tax_query as $i =&gt; $query ) {
+                if ( ! is_array( $query ) )
+                        continue;
+
+                $tax_query[$i] = array_merge( $defaults, $query );
+
+                $tax_query[$i]['terms'] = (array) $tax_query[$i]['terms'];
+        }
+}
+
</ins><span class="cx"> function _transform_terms( &amp;$terms, $taxonomies, $field, $resulting_field ) {
</span><span class="cx">         global $wpdb;
</span><span class="cx"> 
</span></span></pre>
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