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问题描述

如果可能,我如何获取两个结果集:

If is posible, how can I fetch two results sets:

$sth=$dbh->prepare("SELECT * FROM tb1 WHERE cond1;
                    SELECT * from tb2 Where cond2");
$sth->execute();
$row=$sth->fetchAll();  print_r ($row);

这是两个完全不同的表(没有共同点).

These are two completely different tables (no fiels in common).

推荐答案

是的,只要正在使用的数据库支持,PDO即可获取两个(或更多)行集.我认为 MS SQL Server MySQL 都支持此功能,但是在编写 SQLite 时不支持.

Yes PDO can fetch two (or more) rowsets, as long as the database you are using supports it. I think MS SQL Server and MySQL both support this functionality, but at the time of writing SQLite does not.

您想要的功能是 PDOStatement :: nextRowset

因此,在上面的示例中,您可能会执行类似的操作;

So in your example above, you might do something like;

$sth = $dbh->prepare("SELECT * FROM tb1 WHERE cond1;
                      SELECT * FROM tb2 WHERE cond2");
$sth->execute();
$rowset1 = $sth->fetchAll();
$sth->nextRowset();
$rowset2 = $sth->fetchAll();

print_r($rowset1);
print_r($rowset2);

单个存储过程返回多个行集是完全合理的.

It's perfectly reasonable for a single stored procedure to return more than one rowset.

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07-18 10:29