MongoDB嵌套对象字段深度限制 [英] MongoDB nested Object field depth limit

问题描述

如果我们具有以下JavaScript对象:

var obj = {

  field: {
           field: {
                    field: {
                              field: {...}
                            }
                  }
          }
          }

MongoDB能走多深?

解决方案

符合官方文档 MongoDB支持BSON文档的100级嵌套.除此之外，单个文档的大小限制为16 MB.

如果您有兴趣存储较大的文档，则应阅读有关 GridFS 的信息. /p>

If we have the following JavaScript object:

var obj = {

  field: {
           field: {
                    field: {
                              field: {...}
                            }
                  }
          }
          }

how deep can MongoDB go?

解决方案

In accordance with the official documentation MongoDB supports 100 levels of nesting for BSON documents. Beside this there's a size limitation for a single document which is 16 megabytes.

If you are interested in storing larger documents you should read about GridFS.

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