Range SearchesRange Queries allow one to match articles whose field(s) values are between the lower and upper bound specified by the Range Query. Range Queries are inclusive (i.e. the query includes the specified lower and upper bound). Sorting is done lexicographically.
datetime:[2003010108 TO 2003010109]
This will find articles whose datetime fields have values between 2003010108 and 2003010109. Note that Range Queries are not reserved for date fields. You could also use range queries with non-date fields:
symbol:[AFN TO VOD]
This will find all articles whose symbols are between AFN and VOD, lexicographically (not really meaningful, but just to provide an idea)
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