cFilter
TypedRangeFilter filters a set of documents which contain a lexicographical range of terms (ie “aaa”, “aab”, “aac”, etc), unless the range boundaries happen to be numbers (positive, negative, integer, float), in which case a numerical filter is applied. See also TypedRangeQuery
Find all products that cost less than or equal to $50.00.
filter = TypedRangeFilter.new(:created_on, :<= => "50.00")
Create a new TypedRangeFilter on field field. There are two ways to build a range filter. With the old-style options; :lower, :upper, :include_lower and :include_upper or the new style options; +:<+, +:<=+, +:>+ and +:>=+. The options’ names should speak for themselves. In the old-style options, limits are inclusive by default.
f = TypedRangeFilter.new(:date, :lower => "0.1", :include_lower => false) # is equivalent to f = TypedRangeFilter.new(:date, :< => "0.1") # is equivalent to f = TypedRangeFilter.new(:date, :lower_exclusive => "0.1") # Note that you numbers can be strings or actual numbers f = TypedRangeFilter.new(:date, :lower => "-132.2", :upper => -1.4) # is equivalent to f = TypedRangeFilter.new(:date, :>= => "-132.2", :<= => -1.4)
static VALUE frb_trf_init(VALUE self, VALUE rfield, VALUE roptions) { Filter *f; char *lterm = NULL; char *uterm = NULL; bool include_lower = false; bool include_upper = false; get_range_params(roptions, <erm, &uterm, &include_lower, &include_upper); f = trfilt_new(frb_field(rfield), lterm, uterm, include_lower, include_upper); Frt_Wrap_Struct(self, NULL, &frb_f_free, f); object_add(f, self); return self; }
Disabled; run with --debug to generate this.
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