/**
  * Create table sharing reports.
  *
  * @since 1.1
  * @global $wpdb
  * @param Null
  * @global $wpdb
  * @return Void
  */
 public function create_table()
 {
     global $wpdb;
     $charset = $wpdb->get_charset_collate();
     $table_name = $wpdb->prefix . Setting::TABLE_NAME;
     $sql = "\n\t\t\tCREATE TABLE IF NOT EXISTS {$table_name} (\n\t\t\t\tid         BIGINT(20) NOT NULL AUTO_INCREMENT,\n\t\t\t\tpost_id    BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\tpost_title TEXT       NOT NULL,\n\t\t\t\tfacebook   BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\ttwitter    BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\tgoogle     BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\tlinkedin   BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\tpinterest  BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\ttotal      BIGINT(20) UNSIGNED NOT NULL,\n\t\t\t\tPRIMARY KEY id ( id ),\n\t\t\t\tUNIQUE( post_id )\n\t\t\t)   {$charset};";
     require_once ABSPATH . 'wp-admin/includes/upgrade.php';
     dbDelta($sql);
     Utils_Helper::add_update_option(Setting::TABLE_NAME . '_db_version');
 }