The MongoDuplicateKeyException class

(PECL mongo >= 1.5.0)

简介

Thrown when attempting to insert a document into a collection which already contains the same values for the unique keys.

类摘要

MongoDuplicateKeyException extends MongoWriteConcernException {

/* 继承的属性 */

protected string $message ;

protected int $code ;

protected string $file ;

protected int $line ;

/* 继承的方法 */

public MongoWriteConcernException::getDocument ( void ) : array

}

范例

Example #1 Catching MongoDuplicateKeyException


<?php
$mc = new MongoClient("localhost");

$c = $mc->selectCollection("test", "test");

$c->insert(array('_id' => 1));
try {
    $c->insert(array('_id' => 1));
} catch (MongoWriteConcernException $e) {
    echo $e->getMessage(), "\n";
}
?>

以上例程的输出类似于：

localhost:27017: insertDocument :: caused by :: 11000 E11000 duplicate key error index: test.test.$_id_  dup key: { : 1 }

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User Contributed Notes 2 notes

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sarahjay dot wth at gmail dot com ¶

9 months ago


Multiplication:

<!DOCTYPE html>
<html>
<body>

<?php
$x = 10;  
$y = 6;

echo $x * $y;
?>  

</body>
</html>

See More details on: http://bizmaa.com

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fastest963 at gmail dot com ¶

5 years ago


Not sure about earlier versions but this definitely exists in pecl mongo 1.2.10.

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