MongoDB\Driver\Manager::executeQuery - Execute a database query
Вернуться к: MongoDB\Driver\Manager
MongoDB\Driver\Manager::executeQuery
(mongodb >=1.0.0)
MongoDB\Driver\Manager::executeQuery — Execute a database query
Описание
$namespace
, MongoDB\Driver\Query $query
[, MongoDB\Driver\ReadPreference $readPreference
] )
Executes query on a server. If
readPreference is provided, it will be used for server
selection; otherwise, the default read preference will be used.
Список параметров
-
namespace(string) -
A fully qualified namespace (e.g. "databaseName.collectionName").
-
query(MongoDB\Driver\Query) -
The MongoDB\Driver\Query to execute.
-
readPreference(MongoDB\Driver\ReadPreference) -
Optionally, a MongoDB\Driver\ReadPreference to select the server for this operation. If none is given, the read preference from the MongoDB Connection URI will be used.
Возвращаемые значения
Returns MongoDB\Driver\Cursor on success.
Ошибки
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
- Throws MongoDB\Driver\Exception\ConnectionException if connection to the server fails (for reasons other than authentication).
- Throws MongoDB\Driver\Exception\AuthenticationException if authentication is needed and fails.
- Throws MongoDB\Driver\Exception\RuntimeException on other errors (e.g. invalid query operators).
Примеры
Пример #1 MongoDB\Driver\Manager::executeQuery() example
<?php
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);
$bulk->insert(['x' => 2]);
$bulk->insert(['x' => 3]);
$manager->executeBulkWrite('db.collection', $bulk);
$filter = ['x' => ['$gt' => 1]];
$options = [
'projection' => ['_id' => 0],
'sort' => ['x' => -1],
];
$query = new MongoDB\Driver\Query($filter, $options);
$cursor = $manager->executeQuery('db.collection', $query);
foreach ($cursor as $document) {
var_dump($document);
}
?>
Результат выполнения данного примера:
object(stdClass)#6 (1) {
["x"]=>
int(3)
}
object(stdClass)#7 (1) {
["x"]=>
int(2)
}
Смотрите также
- MongoDB\Driver\Cursor
- MongoDB\Driver\Query
- MongoDB\Driver\ReadPreference
- MongoDB\Driver\Server::executeQuery() - Execute a database query on this server
Вернуться к: MongoDB\Driver\Manager