MongoDB\Driver\Manager::selectServer

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MongoDB\Driver\Manager::selectServer — Preselect MongoDB node

说明

final public MongoDB\Driver\Server MongoDB\Driver\Manager::selectServer ( MongoDB\Driver\ReadPreference $readPreference )

Preselect a MongoDB node based on provided readPreference. This can be useful to gurantee a command runs on a specific server when operating in a mixed version cluster.

参数

readPreference: Optionally, a MongoDB\Driver\ReadPreference to route the command to. If none given, defaults to the Read Preferences set by the MongoDB Connection URI.

返回值

Returns an instance of MongoDB\Driver\Server ready for action.