the serializer will check if keys are valid.序列化程序将检查键是否有效。
Collation排序规则
Comment to apply to the operation.要应用于操作的注释。
In server versions pre-4.4, 'comment' must be string. 在4.4之前的服务器版本中,“comment”必须是字符串。A server error will be thrown if any other type is provided.如果提供任何其他类型,将引发服务器错误。
In server versions 4.4 and above, 'comment' can be any valid BSON type.在4.4及以上版本的服务器中,“comment”可以是任何有效的BSON类型。
Custom data associated with the user (only Mongodb 2.6 or higher)与用户关联的自定义数据(仅Mongodb 2.6或更高版本)
Enable utf8 validation when deserializing BSON documents. 反序列化BSON文档时启用utf8验证。Defaults to true.默认为true
。
Specifies the verbosity mode for the explain output.指定解释输出的详细模式。
allow to specify if there what fields we wish to return as unserialized raw buffer.允许指定是否存在我们希望作为非序列化原始缓冲区返回的字段。
serialize will not emit undefined fields (default:true)序列化不会发出未定义的字段(默认值:true
)
when deserializing a Binary will return it as a node.js Buffer instance.当反序列化Binary时,它将作为nodejs Buffer实例返回。
when deserializing a Long will fit it into a Number if it's smaller than 53 bits当反序列化Long时,如果Long小于53位,它将适合Number
when deserializing will promote BSON values to their Node.js closest equivalent types.当反序列化将把BSON值提升到它们的Node.js最接近的等效类型时。
Return BSON filled buffers from operations从操作返回BSON填充的缓冲区
Specify a read concern and level for the collection. 指定集合的读取关注点和级别。(only MongoDB 3.2 or higher supported)(仅支持MongoDB 3.2或更高版本)
The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest).首选读取首选项(ReadPreference.primary
、ReadPreference.primary_preferred
、ReadPreference.secondary
、ReadPreference.secondary_preferred
、ReadPreference.nearest
)。
Should retry failed writes应重试失败的写入
Roles associated with the created user与创建的用户关联的角色
serialize the javascript functions (default:false).序列化javascript函数(默认值:false
)。
Specify ClientSession for this command为此命令指定ClientSession
Write Concern as an object将关注点写为对象
Generated using TypeDoc
return BSON regular expressions as BSONRegExp instances.返回BSON正则表达式作为BSONRegExp实例。