public function dropIndex($name)
    {
        $names = (array) $name;

        foreach ($names as $name) {
            $this->sqls[] = sprintf('DROP INDEX `%s`', $name);
        }

        return $this;
    }
public function dropIndex($name)
    {
        $names = (array) $name;

        foreach ($names as $name) {
            $this->sqls[] = sprintf('DROP INDEX `%s`', $name);
        }

        return $this;
    }
public function dropIndex ( $ name ) { $ names = ( array ) $ name ; foreach ( $ names as $ name ) { $ this -> sqls [ ] = sprintf ( 'DROP INDEX `%s`' , $ name ) ; } return $ this ; }
Drop table index;

@param string $name

@return SQLGenerator
Drop table index ;