Database Manual / Reference / mongosh Methods / Bulk Operations

Bulk.find.removeOne() (mongosh method方法)

Tip

MongoDB also provides the Mongo.bulkWrite() method for performing bulk write operations.MongoDB还提供了Mongo.bulkWrite()方法来执行批量写入操作。

Description描述

Bulk.find.removeOne()

Starting in mongosh 0.12.2, Bulk.find.removeOne() is an alias for Bulk.find.deleteOne().从mongosh 0.12.2开始，Bulk.find.removeOne()是Bulk.find.deleteOne()的别名。

In new code, use Bulk.find.deleteOne() instead of Bulk.find.removeOne().在新代码中，使用Bulk.find.deleteOne()而不是Bulk.find.removeOne()。

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

Create the music collection:创建music集合：

db.music.insertMany( [
   { artist: "DOA", genre: "punk" },
   { artist: "Rick Astley", genre: "pop" },
   { artist: "Black Flag", genre: "punk" },
   { artist: "Justin Bieber", genre: "pop" }
] )

The following example:以下示例：

  • Initializes a Bulk() operations builder.初始化Bulk()操作生成器。
  • Searches for the genre pop.搜索pop类型。
  • Deletes Rick Astley, the first matching pop artist, from the collection.从集合中删除第一位匹配的流行艺术家Rick Astley。
var bulk = db.music.initializeOrderedBulkOp();
bulk.find( { "genre": "pop" } ).removeOne();
bulk.execute()