<?php
/*
For example, to view all indexes on the people collection from country databse :
InmongoDb
use country
db.people.getIndexes()
Inphp
*/
$m = new MongoClient();
$indexes = $m->country->people->getIndexInfo();
?>
MongoCollection::getIndexInfo
(PECL mongo >=0.9.0)
MongoCollection::getIndexInfo — Returns information about indexes on this collection
설명
public array MongoCollection::getIndexInfo
( void
)
인수
이 함수는 인수가 없습니다.
반환값
This function returns an array in which each element describes an index. Elements will contain the values name for the name of the index, ns for the namespace (a combination of the database and collection name), and key for a list of all fields in the index and their ordering. Additional values may be present for special indexes, such as unique or sparse.
예제
Example #1 MongoCollection::getIndexInfo() example
<?php
$m = new MongoClient();
$c = $m->selectCollection('test', 'venues');
var_dump($c->getIndexInfo());
?>
위 예제의 출력 예시:
array(4) {
[0]=>
array(4) {
["v"]=>
int(1)
["key"]=>
array(1) {
["_id"]=>
int(1)
}
["name"]=>
string(4) "_id_"
["ns"]=>
string(11) "test.venues"
}
[1]=>
array(4) {
["v"]=>
int(1)
["key"]=>
array(1) {
["name"]=>
float(1)
}
["name"]=>
string(6) "name_1"
["ns"]=>
string(11) "test.venues"
}
[2]=>
array(4) {
["v"]=>
int(1)
["key"]=>
array(2) {
["type"]=>
float(1)
["createdAt"]=>
float(-1)
}
["name"]=>
string(19) "type_1_createdAt_-1"
["ns"]=>
string(11) "test.venues"
}
[3]=>
array(5) {
["v"]=>
int(1)
["key"]=>
array(1) {
["location"]=>
string(8) "2dsphere"
}
["name"]=>
string(17) "location_2dsphere"
["ns"]=>
string(11) "test.venues"
["2dsphereIndexVersion"]=>
int(2)
}
}
참고
MongoDB core docs on » vanilla indexes and » geospatial indexes.
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User Contributed Notes 1 note
nanhe dot kumar at gmail dot com ¶
11 years ago
