Changeset 6187

Timestamp:

10/04/2007 06:11:03 PM (19 years ago)

Author:

ryan

Message:

New taxonomy intersection queries from xknown. fixes #5137 for 2.3

File:

• branches/2.3/wp-includes/query.php (modified) (2 diffs)

branches/2.3/wp-includes/query.php

@@ -949 +949 @@
                 }
 
-                if ( !empty($q['category__and']) ) {
-                        $count = 0;
-                        foreach ( $q['category__and'] as $category_and ) {
-                                $join .= " LEFT JOIN $wpdb->term_relationships AS tr$count ON ($wpdb->posts.ID = tr$count.object_id) LEFT JOIN $wpdb->term_taxonomy AS tt$count ON (tr$count.term_taxonomy_id = tt$count.term_taxonomy_id) ";
-                                $whichcat .= " AND tt$count.term_id = '$category_and' ";
-                                $count++;
-                        }
-                }
-
                 // Category stuff for nice URLs
                 if ( '' != $q['category_name'] ) {
@@ -1052 +1043 @@
                 }
 
-                if ( !empty($q['tag__and']) ) {
-                        $count = 0;
-                        foreach ( $q['tag__and'] as $tag_and ) {
-                                $join .= " LEFT JOIN $wpdb->term_relationships AS tr$count ON ($wpdb->posts.ID = tr$count.object_id) LEFT JOIN $wpdb->term_taxonomy AS tt$count ON (tr$count.term_taxonomy_id = tt$count.term_taxonomy_id) ";
-                                $whichcat .= " AND tt$count.term_id = '$tag_and' ";
-                                $count++;
-                        }
-                        $reqtag = is_term( $q['tag__and'][0], 'post_tag' );
-                        if ( !empty($reqtag) )
-                                $q['tag_id'] = $reqtag['term_id'];
-                }
-
-                if ( !empty($q['tag_slug__and']) ) {
-                        $count = 0;
-                        foreach ( $q['tag_slug__and'] as $tag_and ) {
-                                $join .= " LEFT JOIN $wpdb->term_relationships AS tr$count ON ($wpdb->posts.ID = tr$count.object_id) LEFT JOIN $wpdb->term_taxonomy AS tt$count ON (tr$count.term_taxonomy_id = tt$count.term_taxonomy_id) LEFT JOIN $wpdb->terms AS term$count ON (tt$count.term_id = term$count.term_id) ";
-                                $whichcat .= " AND term$count.slug = '$tag_and' ";
-                                $count++;
-                        }
-                        $reqtag = is_term( $q['tag_slug__and'][0], 'post_tag' );
-                        if ( !empty($reqtag) )
-                                $q['tag_id'] = $reqtag['term_id'];
+                // Tag and slug intersections.
+                $intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag');
+                foreach ($intersections as $item => $taxonomy) {
+                        if ( empty($q[$item]) ) continue;
+
+                        if ( $item != 'category__and' ) {
+                                $reqtag = is_term( $q[$item][0], 'post_tag' );
+                                if ( !empty($reqtag) )
+                                        $q['tag_id'] = $reqtag['term_id'];
+                        }
+
+                        $taxonomy_field = $item == 'tag_slug__and' ? 'slug' : 'term_id';
+
+                        $q[$item] = array_unique($q[$item]);
+                        $tsql = "SELECT p.ID FROM $wpdb->posts p LEFT JOIN $wpdb->term_relationships tr ON (p.ID = tr.object_id) LEFT JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) LEFT JOIN $wpdb->terms t ON (tt.term_id = t.term_id)";
+                        $tsql .= "WHERE tt.taxonomy = '$taxonomy' AND t.$taxonomy_field IN ('" . implode("', '", $q[$item]) . "')";
+                        $tsql .= "GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]);
+
+                        $post_ids = $wpdb->get_col($tsql);
+
+                        if ( count($post_ids) )
+                                $whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") ";
+                        else {
+                                $whichcat = " AND 0 = 1";
+                                break;
+                        }
                 }