title: Merge posts and post metadata of two wordpress databases
body: <p>I have developed a new theme for my <a href="http://www.1a-android.de" rel="nofollow">Android-Blog</a>.
  To do so I created a copy of it's database at my local machine and set up a development environment.</p>
  
  <p>During developing I added and changed posts of that development-database, and of course in the live-system changes were made too.</p>
  
  <p>My goal is now to keep the latest version of every post, while merging both databses. Id collision conflicts have to be resolved. The post meta-data table and the comments table must be altered within the merging process. The comments of the development database should be dropped. The comments should be taken from the productive-system but they of course must refer to their correct counterpart post.</p>
  
  <p><strong>Here comes the question:</strong><br>
  Is there a tool, that supports me with the merging process, or do I have to really write my own database merger?</p>