SunshinePHP 2020

MongoDB::setWriteConcern

(PECL mongo >=1.5.0)

MongoDB::setWriteConcernSet the write concern for this database

Descrição

public MongoDB::setWriteConcern ( mixed $w [, int $wtimeout ] ) : bool

Parâmetros

w

The write concern. This may be an integer denoting the number of servers required to acknowledge the write, or a string mode (e.g. "majority").

wtimeout

The maximum number of milliseconds to wait for the server to satisfy the write concern.

Valor Retornado

Returns TRUE on success, or FALSE otherwise.

Erros

Emits E_WARNING if the w parameter is not an integer or string value.

Exemplos

Exemplo #1 MongoDB::setWriteConcern() example

<?php

$mc 
= new MongoClient('mongodb://rs1.example.com,rs2.example.com');
$db $mc->selectDB('test');

// Require that the majority of servers in the replica set acknowledge writes
// within three seconds.
$db->setWriteConcern('majority'3000);
?>

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