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MongoDB\Driver\Manager::executeQuery

(mongodb >=1.0.0)

MongoDB\Driver\Manager::executeQueryExecute a database query

Description

final public MongoDB\Driver\Manager::executeQuery(string $namespace, MongoDB\Driver\Query $query, array|MongoDB\Driver\ReadPreference|null $options = null): MongoDB\Driver\Cursor

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

Parameters

namespace (string)

A fully qualified namespace (e.g. "databaseName.collectionName").

query (MongoDB\Driver\Query)

The query to execute.

options

options
Option Type Description
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

Changelog

Version Description
PECL mongodb 1.4.0 The third parameter is now an options array. For backwards compatibility, this paramater will still accept a MongoDB\Driver\ReadPreference object.

Examples

Example #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);
}

?>

The above example will output:

object(stdClass)#6 (1) {
  ["x"]=>
  int(3)
}
object(stdClass)#7 (1) {
  ["x"]=>
  int(2)
}

Example #2 Limiting execution time for a query

The "maxTimeMS" MongoDB\Driver\Query option may be used to limit the execution time of a query. Note that this time limit is enforced on the server side and does not take network latency into account. See » Terminate Running Operations in the MongoDB manual for more information.

<?php

$manager
= new MongoDB\Driver\Manager('mongodb://localhost:27017');

$filter = ['x' => ['$gt' => 1]];
$options = [
'maxTimeMS' => 1000,
];

$query = new MongoDB\Driver\Query($filter, $options);
$cursor = $manager->executeQuery('db.collection', $query);

foreach (
$cursor as $document) {
var_dump($document);
}

?>

If the query fails to complete after one second of execution time on the server, a MongoDB\Driver\Exception\ExecutionTimeoutException will be thrown.

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User Contributed Notes 1 note

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Anonymous
7 years ago
$filter = [];
if (!empty($mail_brand)) {
$filter['mx.brand_id'] = intval($mail_brand);
}
if (!empty($contacttool_brand)) {
$filter['contacttool.brand_id'] = intval($contacttool_brand);
}
if ($mx_switch_title == 20 || empty($province)) {
$filter["wwwtitle"] = ['$ne' => null];
}
//网站标题
if (!empty($wwwtitle)) {
$filter['wwwtitle'] = new \MongoDB\BSON\Regex(".*{$wwwtitle}.*", '');
}
//只带mx的查询
if ($mx_on_switch == 20 || empty($province)) {
$filter["mx"] = ['$exists' => true];
}
//mx模糊查询
if (!empty($mx_vague_check)) {
$filter["mx.mx"] = new \MongoDB\BSON\Regex(".*{$mx_vague_check}.*", '');
}

//如果没有传递省份
if (empty($province)) {
$province = "shandong";
}
try {
$options_base = ['connectTimeoutMS' => 500000, 'socketTimeoutMS' => 500000];
$manager = new \MongoDB\Driver\Manager(C('mongodb_auth_url'), $options_base);
// $readPreference = $manager->getReadPreference();
// $server = $manager->selectServer($readPreference);
$coll = C('default_db') . '.' . $province;
$options = [
"skip" => $page,
"limit" => $rows,
'projection' => ['createdate' => 0,
'expiresdate' => 0,
'registrant_city' => 0,
'registrant_street' => 0,
'registrant_state' => 0,
'updatedate' => 0,
'whoisserver_id' => 0,
'registrar_name_id' => 0,
'id' => 0,
],
];
//查询记录总的数量
$commands = [
'count' => $province,
'query' => $filter
];
$command = new \MongoDB\Driver\Command($commands);
$cursor = $manager->executeCommand('mxmanage', $command);
$info = $cursor->toArray();
$count = $info[0]->n;
$query = new \MongoDB\Driver\Query($filter, $options);
$rows = $manager->executeQuery($coll, $query);
$info = [];
foreach ($rows as $document) {
$doc = (array)$document;
$doc['_id'] = (string)$doc['_id'];
$doc['mail_brand_name'] = $doc['mx']->brand_name;
$doc['mail_mx'] = $doc['mx']->mx ?: '';
$doc['contacttool_brand_name'] = $doc['contacttool']->brand_name;
$doc['mx_changetime'] = !$doc['mx_changetime'] ? '' : date('Y-m-d H:i', $doc['mx_changetime']);
$doc['contacttool_changetime'] = !$doc['contacttool_changetime'] ? '' : date('Y-m-d H:i', $doc['contacttool_changetime']);
unset($doc['mx']);
unset($doc['contacttool']);
$info[] = $doc;
}
} catch (\MongoDB\Driver\Exception $e) {
echo $e->getMessage(), "\n";
exit;
}
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