Apache Solr Reference Guide Covering Apache Solr 6.0

The facet.range.hardend parameter is a Boolean parameter that specifies how Solr should handle
cases where the facet.range.gap does not divide evenly between facet.range.start and facet.ra
nge.end. If true, the last range constraint will have the facet.range.end value as an upper bound. If fals
e, the last range will have the smallest possible upper bound greater then facet.range.end such that the
range is the exact width of the specified range gap. The default value for this parameter is false.
This parameter can be specified on a per field basis with the syntax f..facet.range.hard
end.
The facet.range.include Parameter
By default, the ranges used to compute range faceting between facet.range.start and facet.range.
end are inclusive of their lower bounds and exclusive of the upper bounds. The "before" range defined with
the facet.range.other parameter is exclusive and the "after" range is inclusive. This default, equivalent
to "lower" below, will not result in double counting at the boundaries. You can use the facet.range.inclu
de parameter to modify this behavior using the following options:
Option
lower
upper
edge
outer
all
All gap-based ranges include their lower bound.
All gap-based ranges include their upper bound.
Description
The first and last gap ranges include their edge bounds (lower for the first one, upper for the last
one) even if the corresponding upper/lower option is not specified.
The "before" and "after" ranges will be inclusive of their bounds, even if the first or last ranges
already include those boundaries.
Includes all options: lower, upper, edge, outer.
You can specify this parameter on a per field basis with the syntax of f..facet.range.inc
lude, and you can specify it multiple times to indicate multiple choices.
To ensure you avoid double-counting, do not choose both lower and upper, do not choose outer,
and do not choose all.
The facet.range.other Parameter
The facet.range.other parameter specifies that in addition to the counts for each range constraint
between facet.range.start and facet.range.end, counts should also be computed for these options:
Option
before
after
between
none
all
Description
All records with field values lower then lower bound of the first range.
All records with field values greater then the upper bound of the last range.
All records with field values between the start and end bounds of all ranges.
Do not compute any counts.
Compute counts for before, between, and after.
This parameter can be specified on a per field basis with the syntax of f..facet.range.ot
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