Database Manual / Reference / mongosh Methods / Bulk Operations

Bulk.toString() (mongosh method方法)

Bulk.toString()
Returns as a string a JSON document that contains the number of operations and batches in the Bulk() object.以字符串形式返回一个JSON文档，其中包含Bulk()对象中的操作数和批处理数。

Compatibility兼容性

This command is available in deployments hosted in the following environments:此命令在以下环境中托管的部署中可用：

  • MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud：云中MongoDB部署的完全托管服务

Note

This command is supported in all MongoDB Atlas clusters. 所有MongoDB Atlas集群都支持此命令。For information on Atlas support for all commands, see Unsupported Commands.有关Atlas支持所有命令的信息，请参阅不支持的命令。

Example示例

The following initializes a Bulk() operations builder on the items collection, adds a series of write operations, and calls Bulk.toString() on the bulk builder object.下面初始化items集合上的Bulk()操作构建器，添加一系列写操作，并对bulk构建器对象调用Bulk.toString()。

var bulk = db.items.initializeOrderedBulkOp();
bulk.insert( { item: "abc123", status: "A", defaultQty: 500, points: 5 } );
bulk.insert( { item: "ijk123", status: "A", defaultQty: 100, points: 10 } );
bulk.find( { status: "D" } ).deleteOne();
bulk.toString();
bulk.execute()

The Bulk.toString() returns the following JSON documentBulk.toString()返回以下JSON文档

{
  acknowledged: true,
  insertedCount: 2,
  insertedIds: [
    { index: 0, _id: ObjectId("627bf4f95e19ff3518448883") },
    { index: 1, _id: ObjectId("627bf4f95e19ff3518448884") }
  ],
  matchedCount: 0,
  modifiedCount: 0,
  deletedCount: 0,
  upsertedCount: 0,
  upsertedIds: []
}

Tip

Bulk()