Using Numeric Field

Hi,
I have a Date field in my Lucene index that is currently stored as a
String field with format: YYYYMMDDHHMISS. I perform RangeFilter on it
when searching and also sort the results specifying it as a String
field. My question is, will converting it to a Numeric field and start
using NumericRangeFilter and sorting based on numeric field will give me
some performance gain? or will it be insignificant?

thanks
-siraj


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