[TYPO3-templavoila] All CEs unreferenced after DS/TO update :-(

[Uschi Renziehausen]

Dear folks,

yesterday I did the following. After having created a new FCE and some 
minor changes in existing templates (no renaming or adding of fields) 
everything was ok in my local installation.

To bring the real thing up to date I then truncated the two tv tables 
and and inserted the new data (uid still being the same). Nevertheless 
the effect was that all CEs were unreferenced. As the site is quite 
large, rereferencing all elements manually is a no go in my situation. I 
had no other chance but rewinding the whole process by reinserting the 
database dump of the whole site.

So here my question:
Why is it that all those references were lost? Where are those 
references stored? I need an easy way to keep the DS/TO tables on the 
same state in a couple of installations.

Do you have a solution for me?

Uschi