PDOStatement
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PDOStatement->nextRowset

(No version information available, might be only in CVS)

PDOStatement->nextRowset Advances to the next rowset in a multi-rowset statement handle

说明

bool PDOStatement::nextRowset ( void )

Some database servers support stored procedures that return more than one rowset (also known as a result set). PDOStatement::nextRowset() enables you to access the second and subsequent rowsets associated with a PDOStatement object. Each rowset can have a different set of columns from the preceding rowset.

返回值

如果成功则返回 TRUE,失败则返回 FALSE

范例

Example #1 Fetching multiple rowsets returned from a stored procedure

The following example shows how to call a stored procedure, MULTIPLE_ROWSETS, that returns three rowsets. We use a do / while loop to loop over the PDOStatement::nextRowset() method, which returns false and terminates the loop when no more rowsets can be returned.

<?php
$sql 
'CALL multiple_rowsets()';
$stmt $conn->query($sql);
$i 1;
do {
    
$rowset $stmt->fetch(PDO::FETCH_NUM);
    if (
$rowset) {
        
printResultSet($rowset$i);
    }
    
$i++;
} while (
$stmt->nextRowset());

function 
printResultSet(&$rowset$i) {
    print 
"Result set $i:\n";
    foreach (
$rowset as $row) {
        foreach (
$row as $col) {
            print 
$col "\t";
        }
        print 
"\n";
    }
    print 
"\n";
}
?>

上例将输出:

Result set 1:
apple    red
banana   yellow

Result set 2:
orange   orange    150
banana   yellow    175

Result set 3:
lime     green
apple    red
banana   yellow

参见


PDOStatement
php 手册 | 脚本学堂 | 脚本编程 | 网站编程 | 系统管理 | 服务器配置 | 数据库管理 | Php教程 | python教程 | 正则表达式 | 批处理脚本 | Centos教程 | Linux基础教程