MongoDB\Driver\Query::__construct
(mongodb >=1.0.0)
MongoDB\Driver\Query::__construct — Construct new Query
Описание
final public MongoDB\Driver\Query::__construct
( array|object
$filter
[, array $queryOptions
] )
Список параметров
-
filter(array|object) -
The search filter.
-
queryOptions -
queryOptions Option Type Description awaitData bool Block rather than returning no data. After a period, time out. Useful for tailable cursor batchSize integer The number of documents to return per batch exhaust bool Stream the data down full blast in multiple "reply" packets. Faster when you are pulling down a lot of data and you know you want to retrieve it all limit integer The number of documents to be returned modifiers array Meta operators modifying the output or behavior of a query noCursorTimeout bool Do not timeout a cursor that has been idle for more then 10minutes oplogReplay bool Internal MongoDB Server flag partial bool Get partial results from mongos if some shards are down (instead of throwing an error) projection array|object Specifies the fields to return using booleans or projection operators readConcern MongoDB\Driver\ReadConcern Level of isolation for querying replica sets and replica set shards. This option requires the WiredTiger storage engine and MongoDB 3.2 or later. skip integer The number of documents to skip before returning slaveOk bool Allow query of replica set secondaries sort array|object The order in which to return matching documents tailable bool Cursor will not be closed when the last data is retrieved. You can resume this cursor later
Ошибки
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Примеры
Пример #1 MongoDB\Driver\Query::__construct() example
<?php
$filter = array();
$options = array(
/* Only return the following fields in the matching documents */
"projection" => array(
"title" => 1,
"article" => 1,
),
"sort" => array(
"views" => -1,
),
"modifiers" => array(
'$comment' => "This is a query comment",
'$maxTimeMS' => 100,
),
);
$query = new MongoDB\Driver\Query($filter, $options);
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$readPreference = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::RP_PRIMARY);
$cursor = $manager->executeQuery("databaseName.collectionName", $query, $readPreference);
foreach($cursor as $document) {
var_dump($document);
}
?>
Смотрите также
- MongoDB\Driver\Manager::executeQuery() - Execute a database query
- MongoDB\Driver\Cursor
- » MongoDB Query Modifiers
Коментарии
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