Yep, I created a *clean* copy of the relevant MagmaCollection, I have to wrote some special code for that, but it could be usefull in future for cleaning backup purpose. Now adding the the DateAndTime index seems to be just fine. Now I will figure out to use such index. Thanks for the tips
Hilaire
Chris Muller a écrit :
You are adding that DateAndTimeIndex in one of your existing databases right? Not creating from scratch, right? When I create from scratch DateAndTimeIndexes have no problem:
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