/**
 * Performance enhancements for Oxygen builder that are very for those
 * with large databases. Only do if you are comfortable with editing PHP.
 */
 

/**
 * Change lines 1085 to 1107 of /wp-content/plugins/oxygen/component-framework/component-init.php to this:
 */
 
	$query = "
    	SELECT DISTINCT($wpdb->postmeta.meta_key) 
		FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key NOT LIKE '\_%';
	";

	$meta = $wpdb->get_results($query);

	if( is_array( $meta ) ) {

		function oxygen_return_meta_keys( $val ) {
			return $val->meta_key;
		}

		$oxygen_meta_keys = array_map( 'oxygen_return_meta_keys', $meta );

	}
    
/** 
 * Change line 3854 in /wp-content/plugins/oxygen/component-framework/components/classes/dynamic-list.class.php
 * to this.
 */
 
 $authors = get_users( array( 'who' => 'authors', 'has_published_posts' => true ) );
 
 /**
  * Change line 1129 in /wp-content/plugins/oxygen/component-framework/components/classes/easy-posts.class.php
  * to this.
  */
  
  $authors = get_users( array( 'who' => 'authors', 'has_published_posts' => true ) );