PHP MongoDB-创建索引(create index)

1、php-mongodb代码建索引(createIndexes)：

<?php
    $manager = new \MongoDB\Driver\Manager("mongodb://admin:[email protected]:27017");
    $command = new MongoDB\Driver\Command([
      "createIndexes" => "collectionName",
      "indexes"       => [[
        "name" => "indexName",
        "key"  => [ "keyName" => 1],
        "ns"   => "databaseName.collectionName",
     ]],
  ]);
  $result = $manager->executeCommand("databaseName", $command);
?>

 

 

2、php-mongodb代码删除集合(drop)：

<?php
  $manager = new \MongoDB\Driver\Manager("mongodb://admin:[email protected]:27017");
  $command = new MongoDB\Driver\Command([
    "drop" => "collectionName",
  ]);
  $result = $manager->executeCommand("databaseName", $command);
?>

 

 

3、php-mongodb代码创建集合(create)：

<?php
  $manager = new \MongoDB\Driver\Manager("mongodb://admin:[email protected]:27017");
  $command = new MongoDB\Driver\Command([
    "create" => "collectionName",
  ]);
  $result = $manager->executeCommand("databaseName", $command);
?>