1. /**
2.  * Performance enhancements for Oxygen builder that are very for those
3.  * with large databases. Only do if you are comfortable with editing PHP.
4.  */
5.  
6.  
7. /**
8.  * Change lines 1085 to 1107 of /wp-content/plugins/oxygen/component-framework/component-init.php to this:
9.  */
10.  
11.         $query = "
12.         SELECT DISTINCT($wpdb->postmeta.meta_key)
13.                 FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key NOT LIKE '\_%';
14.         ";
15.  
16.         $meta = $wpdb->get_results($query);
17.  
18.         if( is_array( $meta ) ) {
19.  
20.                 function oxygen_return_meta_keys( $val ) {
21.                         return $val->meta_key;
22.                 }
23.  
24.                 $oxygen_meta_keys = array_map( 'oxygen_return_meta_keys', $meta );
25.  
26.         }
27.    
28. /**
29.  * Change line 3854 in /wp-content/plugins/oxygen/component-framework/components/classes/dynamic-list.class.php
30.  * to this.
31.  */
32.  
33.  $authors = get_users( array( 'who' => 'authors', 'has_published_posts' => true ) );
34.  
35.  /**
36.   * Change line 1129 in /wp-content/plugins/oxygen/component-framework/components/classes/easy-posts.class.php
37.   * to this.
38.   */
39.  
40.   $authors = get_users( array( 'who' => 'authors', 'has_published_posts' => true ) );