GoLang MongoDB\Driver\Manager::executeReadCommand

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PHP MongoDB\Driver\Manager::executeReadCommand

PHP original manual for MongoDB\Driver\Manager::executeReadCommand [ show | php.net ]

MongoDB\Driver\Manager::executeReadCommand

(mongodb >=1.4.0)

MongoDB\Driver\Manager::executeReadCommand — Execute a database command that reads

Description

final public MongoDB\Driver\Cursor MongoDB\Driver\Manager::executeReadCommand ( string $db , MongoDB\Driver\Command $command [, array $options = array() ] )

Selects a server according to the "readPreference" option and executes the command on that server. By default, the read preference from the MongoDB Connection URI will be used.

This method will apply logic that is specific to commands that read (e.g. » count) and take the MongoDB server version into account. The "readConcern" option will default to the corresponding value from the MongoDB Connection URI.

Parameters

db (string)

The name of the database on which to execute the command.

command (MongoDB\Driver\Command)

The command to execute.

options

options
Option Type Description
readConcern MongoDB\Driver\ReadConcern

A read concern to apply to the operation.

This option is available in MongoDB 3.2+ and will result in an exception at execution time if specified for an older server version.

readPreference MongoDB\Driver\ReadPreference

A read preference to use for selecting a server for the operation.

session MongoDB\Driver\Session

A session to associate with the operation.

Return Values

Returns MongoDB\Driver\Cursor on success.

Errors/Exceptions

See Also