/**
  * Returns the code (array of statements) needed to add one comment to the table.
  *
  * @param xmldb_table $xmldb_table The xmldb_table object instance.
  * @return array Array of SQL statements to add one comment to the table.
  */
 function getCommentSQL($xmldb_table)
 {
     $comment = '';
     if ($xmldb_table->getComment()) {
         $comment .= 'ALTER TABLE ' . $this->getTableName($xmldb_table);
         $comment .= " COMMENT='" . $this->addslashes(substr($xmldb_table->getComment(), 0, 60)) . "'";
     }
     return array($comment);
 }