<?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
Descrição
public MongoCollection::getIndexInfo
( void
) : array
Parâmetros
Esta função não possui parâmetros.
Valor Retornado
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.
Exemplos
Exemplo #1 MongoCollection::getIndexInfo() example
<?php
$m = new MongoClient();
$c = $m->selectCollection('test', 'venues');
var_dump($c->getIndexInfo());
?>
O exemplo acima irá imprimir algo similar à:
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)
}
}
Veja Também
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
