public function getAlterTableSql($table, array $options)
    {
        $table = $this->buildRealTableName($table);
        return $this->getSchema()->getAlterTableSql($table, $options);
    }
public function getAlterTableSql($table, array $options)
    {
        $table = $this->buildRealTableName($table);
        return $this->getSchema()->getAlterTableSql($table, $options);
    }
public function getAlterTableSql ( $ table , array $ options ) { $ table = $ this -> buildRealTableName ( $ table ) ; return $ this -> getSchema ( ) -> getAlterTableSql ( $ table , $ options ) ; }
get alter table sql from fields, result is sql string
@param  string $table
@param  array  $options
@return string 'sql; sql2; ...'
get alter table sql from fields result is sql string