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From Marcin Rzewucki <>
Subject DocValues and field requirements
Date Thu, 21 Mar 2013 11:46:58 GMT

Can somebody explain why there are additional requirements for a field to
be able to use DocValues ? For example: Trie*Fields have to be required or
have default value.

"Schema Parsing Failed: Field
sortMissingLast=true, positionIncrementGap=0}} has single-valued doc values
enabled, but has no default value and is not required"

I have a collection with more than 4K fields, mostly Trie*Fields, but they
can either be required or have default value, which is not possible in my
case. They are used for faceting and sorting. Docvalues would be great
improvement for them. But I can't use it just because of this limitation.
Why such limitations and are they going to be changed in next releases ?


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