MongoCursorInterface::setReadPreference

(PECL mongo >=1.6.0)

MongoCursorInterface::setReadPreferenceSet the read preference for this query

Опис

abstract public MongoCursorInterface MongoCursorInterface::setReadPreference ( string $read_preference [, array $tags ] )

Параметри

read_preference

The read preference mode: MongoClient::RP_PRIMARY, MongoClient::RP_PRIMARY_PREFERRED, MongoClient::RP_SECONDARY, MongoClient::RP_SECONDARY_PREFERRED, or MongoClient::RP_NEAREST.

tags

An array of zero or more tag sets, where each tag set is itself an array of criteria used to match tags on replica set members.

Значення, що повертаються

Returns this cursor.

Помилки/Винятки

Emits E_WARNING if either parameter is invalid, or if one or more tag sets are provided with the MongoClient::RP_PRIMARY read preference mode.

Прогляньте Також

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top