<?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
Description
public MongoCollection::getIndexInfo
( void
) : array
Parameters
This function has no parameters.
Return Values
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.
Examples
Example #1 MongoCollection::getIndexInfo() example
<?php
$m = new MongoClient();
$c = $m->selectCollection('test', 'venues');
var_dump($c->getIndexInfo());
?>
The above example will output something similar to:
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)
}
}
See Also
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 ¶
10 years ago
