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MongoCursor::info - Gets information about the cursor's creation and iteration
Вернуться к: MongoCursor
MongoCursor::info
(PECL mongo >=1.0.5)
MongoCursor::info — Gets information about the cursor's creation and iteration
Описание
public array MongoCursor::info
( void
)
This can be called before or after the cursor has started iterating.
Список параметров
У этой функции нет параметров.
Возвращаемые значения
Returns the namespace, batch size, limit, skip, flags, query, and projected fields for this cursor. If the cursor has started iterating, additional information about iteration and the connection will be included.
Список изменений
| Версия | Описание |
|---|---|
| 1.1.0 | Added a number of other fields, including id (the cursor id), at (the driver's counter of which document is current), numReturned (the number returned by the server in the current batch), and server (which server the query was sent to—useful in conjunction with Read Preferences. |
| 1.0.10 | Added started_iterating field, a boolean indicating if cursor is pre- or post-query. |
Примеры
Пример #1 MongoCursor::info() example
<?php
$m = new MongoClient();
$cursor = $m->test->foo->find(array("x" => 4), array("y" => 0));
echo "Before iteration started:\n";
var_dump($cursor->info());
echo "\nAfter iteration started:\n";
$cursor->rewind();
var_dump($cursor->info());
?>
Результатом выполнения данного примера будет что-то подобное:
Before iteration started:
array(8) {
["ns"]=>
string(8) "test.foo"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(1) {
["x"]=>
int(4)
}
["fields"]=>
array(1) {
["y"]=>
int(0)
}
["started_iterating"]=>
bool(false)
}
After iteration started:
array(15) {
["ns"]=>
string(8) "test.foo"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(1) {
["x"]=>
int(4)
}
["fields"]=>
array(1) {
["y"]=>
int(0)
}
["started_iterating"]=>
bool(true)
["id"]=>
int(0)
["at"]=>
int(0)
["numReturned"]=>
int(1)
["server"]=>
string(25) "localhost:27017;-;.;26450"
["host"]=>
string(9) "localhost"
["port"]=>
int(27017)
["connection_type_desc"]=>
string(10) "STANDALONE"
}
Смотрите также
- MongoCursorInterface::info() - Gets information about the cursor's creation and iteration
Вернуться к: MongoCursor