Tank you Emir.
I tried this locally (changing schema, re-index all implace)
and I wasn't able to sort on the doc value fields anymore (someone actually
mentioned this before on that forum -
https://lucene.472066.n3.nabble.com/DocValues-error-td4240116.html)
with the next error
"Error from server a
Hi,
1. No, it’s not valid. Solr will look at schema to see if it can use docValues
or if it has to uninvert field and it assumes that all fields will have doc
values. You might expect from wrong results to errors if you do something like
that.
2. Not sure if it would work, but It is not better t