MongoDB\Driver\Manager::executeReadCommand
PHP function
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(mongodb >=1.4.0)
Execute a database command that reads
Description
MongoDB\Driver\Manager::executeReadCommand(string $db, MongoDB\Driver\Command $command, array|null $options = null): MongoDB\Driver\Cursor
Selects a server according to the "readPreference" option and executes the command on that server.
This method will apply logic that is specific to commands that read (e.g. distinct). Default values for the "readPreference" and "readConcern" options will be inferred from an active transaction (indicated by the "session" option), followed by the connection URI.
Parameters
optionsOption Type Description TransactionReadWriteConcern
Return Values Cursor
Errors/Exceptions
- Throws
MongoDB\Driver\Exception\RuntimeExceptionon other errors (e.g. invalid command).