This is, of course, the blessing and curse of a volunteer project. Just as you can jump into any task that you fancy, nobody is obligated to check out your work, which can (in unfortunate cases, such as this) cause disruptions.
Well, MongoDB was designed and created as a document database first and foremost, not an SQL one (NoSQL). It is focused and optimized for this particular use case and a way of storing and accessing data. PostgreSQL on the other hand, is a relational, SQL database that later on added support for composite column types like JSON/JSONB, ARRAY and others. Over the years, it has extended and optimized storing JSON documents in its own binary JSONB format, as well as added more ways to index, query and modify data of this type.。91吃瓜对此有专业解读
search engines.。手游是该领域的重要参考
SelectWhat's included。关于这个话题，yandex 在线看提供了深入分析