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 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/git/checkouts/tantivy-65d0bbbddbbd5d02/433372d/src/query/range_query.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>range_query.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../tantivy/index.html"><div class="logo-container">
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 </pre><pre class="rust"><code><span class="kw">use </span>std::io;
 <span class="kw">use </span>std::ops::{Bound, Range};

 <span class="kw">use </span>common::BitSet;

 <span class="kw">use </span><span class="kw">crate</span>::core::SegmentReader;
 <span class="kw">use </span><span class="kw">crate</span>::error::TantivyError;
 <span class="kw">use </span><span class="kw">crate</span>::query::explanation::does_not_match;
 <span class="kw">use </span><span class="kw">crate</span>::query::range_query_ip_fastfield::IPFastFieldRangeWeight;
 <span class="kw">use </span><span class="kw">crate</span>::query::{BitSetDocSet, ConstScorer, EnableScoring, Explanation, Query, Scorer, Weight};
 <span class="kw">use </span><span class="kw">crate</span>::schema::{Field, IndexRecordOption, Term, Type};
 <span class="kw">use </span><span class="kw">crate</span>::termdict::{TermDictionary, TermStreamer};
 <span class="kw">use crate</span>::{DocId, Score};

 <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>map_bound&lt;TFrom, TTo, Transform: Fn(<span class="kw-2">&amp;</span>TFrom) -&gt; TTo&gt;(
     bound: <span class="kw-2">&amp;</span>Bound&lt;TFrom&gt;,
     transform: <span class="kw-2">&amp;</span>Transform,
 ) -&gt; Bound&lt;TTo&gt; {
     <span class="kw">use </span><span class="self">self</span>::Bound::<span class="kw-2">*</span>;
     <span class="kw">match </span>bound {
         Excluded(<span class="kw-2">ref </span>from_val) =&gt; Excluded(transform(from_val)),
         Included(<span class="kw-2">ref </span>from_val) =&gt; Included(transform(from_val)),
         Unbounded =&gt; Unbounded,
     }
 }

 <span class="doccomment">/// `RangeQuery` matches all documents that have at least one term within a defined range.
 ///
 /// Matched document will all get a constant `Score` of one.
 ///
 /// # Implementation
 ///
 /// ## Default
 /// The default implementation collects all documents _upfront_ into a `BitSet`.
 /// This is done by iterating over the terms within the range and loading all docs for each
 /// `TermInfo` from the inverted index (posting list) and put them into a `BitSet`.
 /// Depending on the number of terms matched, this is a potentially expensive operation.
 ///
 /// ## IP fast field
 /// For IP fast fields a custom variant is used, by scanning the fast field. Unlike the default
 /// variant we can walk in a lazy fashion over it, since the fastfield is implicit orderered by
 /// DocId.
 ///
 ///
 /// # Example
 ///
 /// ```rust
 /// use tantivy::collector::Count;
 /// use tantivy::query::RangeQuery;
 /// use tantivy::schema::{Schema, INDEXED};
 /// use tantivy::{doc, Index};
 /// # fn test() -&gt; tantivy::Result&lt;()&gt; {
 /// let mut schema_builder = Schema::builder();
 /// let year_field = schema_builder.add_u64_field(&quot;year&quot;, INDEXED);
 /// let schema = schema_builder.build();
 ///
 /// let index = Index::create_in_ram(schema);
 /// let mut index_writer = index.writer_with_num_threads(1, 10_000_000)?;
 /// for year in 1950u64..2017u64 {
 ///     let num_docs_within_year = 10 + (year - 1950) * (year - 1950);
 ///     for _ in 0..num_docs_within_year {
 ///       index_writer.add_document(doc!(year_field =&gt; year))?;
 ///     }
 /// }
 /// index_writer.commit()?;
 ///
 /// let reader = index.reader()?;
 /// let searcher = reader.searcher();
 /// let docs_in_the_sixties = RangeQuery::new_u64(year_field, 1960..1970);
 /// let num_60s_books = searcher.search(&amp;docs_in_the_sixties, &amp;Count)?;
 /// assert_eq!(num_60s_books, 2285);
 /// Ok(())
 /// # }
 /// # assert!(test().is_ok());
 /// ```
 </span><span class="attribute">#[derive(Clone, Debug)]
 </span><span class="kw">pub struct </span>RangeQuery {
     field: Field,
     value_type: Type,
     left_bound: Bound&lt;Vec&lt;u8&gt;&gt;,
     right_bound: Bound&lt;Vec&lt;u8&gt;&gt;,
 }

 <span class="kw">impl </span>RangeQuery {
     <span class="doccomment">/// Creates a new `RangeQuery` from bounded start and end terms.
     ///
     /// If the value type is not correct, something may go terribly wrong when
     /// the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_term_bounds(
         field: Field,
         value_type: Type,
         left_bound: <span class="kw-2">&amp;</span>Bound&lt;Term&gt;,
         right_bound: <span class="kw-2">&amp;</span>Bound&lt;Term&gt;,
     ) -&gt; RangeQuery {
         <span class="kw">let </span>verify_and_unwrap_term = |val: <span class="kw-2">&amp;</span>Term| {
             <span class="macro">assert_eq!</span>(field, val.field());
             val.value_bytes().to_owned()
         };
         RangeQuery {
             field,
             value_type,
             left_bound: map_bound(left_bound, <span class="kw-2">&amp;</span>verify_and_unwrap_term),
             right_bound: map_bound(right_bound, <span class="kw-2">&amp;</span>verify_and_unwrap_term),
         }
     }

     <span class="doccomment">/// Creates a new `RangeQuery` over a `i64` field.
     ///
     /// If the field is not of the type `i64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_i64(field: Field, range: Range&lt;i64&gt;) -&gt; RangeQuery {
         RangeQuery::new_i64_bounds(
             field,
             Bound::Included(range.start),
             Bound::Excluded(range.end),
         )
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `i64` field.
     ///
     /// The two `Bound` arguments make it possible to create more complex
     /// ranges than semi-inclusive range.
     ///
     /// If the field is not of the type `i64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_i64_bounds(
         field: Field,
         left_bound: Bound&lt;i64&gt;,
         right_bound: Bound&lt;i64&gt;,
     ) -&gt; RangeQuery {
         <span class="kw">let </span>make_term_val = |val: <span class="kw-2">&amp;</span>i64| Term::from_field_i64(field, <span class="kw-2">*</span>val).value_bytes().to_owned();
         RangeQuery {
             field,
             value_type: Type::I64,
             left_bound: map_bound(<span class="kw-2">&amp;</span>left_bound, <span class="kw-2">&amp;</span>make_term_val),
             right_bound: map_bound(<span class="kw-2">&amp;</span>right_bound, <span class="kw-2">&amp;</span>make_term_val),
         }
     }

     <span class="doccomment">/// Creates a new `RangeQuery` over a `f64` field.
     ///
     /// If the field is not of the type `f64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_f64(field: Field, range: Range&lt;f64&gt;) -&gt; RangeQuery {
         RangeQuery::new_f64_bounds(
             field,
             Bound::Included(range.start),
             Bound::Excluded(range.end),
         )
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `f64` field.
     ///
     /// The two `Bound` arguments make it possible to create more complex
     /// ranges than semi-inclusive range.
     ///
     /// If the field is not of the type `f64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_f64_bounds(
         field: Field,
         left_bound: Bound&lt;f64&gt;,
         right_bound: Bound&lt;f64&gt;,
     ) -&gt; RangeQuery {
         <span class="kw">let </span>make_term_val = |val: <span class="kw-2">&amp;</span>f64| Term::from_field_f64(field, <span class="kw-2">*</span>val).value_bytes().to_owned();
         RangeQuery {
             field,
             value_type: Type::F64,
             left_bound: map_bound(<span class="kw-2">&amp;</span>left_bound, <span class="kw-2">&amp;</span>make_term_val),
             right_bound: map_bound(<span class="kw-2">&amp;</span>right_bound, <span class="kw-2">&amp;</span>make_term_val),
         }
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `u64` field.
     ///
     /// The two `Bound` arguments make it possible to create more complex
     /// ranges than semi-inclusive range.
     ///
     /// If the field is not of the type `u64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_u64_bounds(
         field: Field,
         left_bound: Bound&lt;u64&gt;,
         right_bound: Bound&lt;u64&gt;,
     ) -&gt; RangeQuery {
         <span class="kw">let </span>make_term_val = |val: <span class="kw-2">&amp;</span>u64| Term::from_field_u64(field, <span class="kw-2">*</span>val).value_bytes().to_owned();
         RangeQuery {
             field,
             value_type: Type::U64,
             left_bound: map_bound(<span class="kw-2">&amp;</span>left_bound, <span class="kw-2">&amp;</span>make_term_val),
             right_bound: map_bound(<span class="kw-2">&amp;</span>right_bound, <span class="kw-2">&amp;</span>make_term_val),
         }
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `u64` field.
     ///
     /// If the field is not of the type `u64`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_u64(field: Field, range: Range&lt;u64&gt;) -&gt; RangeQuery {
         RangeQuery::new_u64_bounds(
             field,
             Bound::Included(range.start),
             Bound::Excluded(range.end),
         )
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `Str` field.
     ///
     /// The two `Bound` arguments make it possible to create more complex
     /// ranges than semi-inclusive range.
     ///
     /// If the field is not of the type `Str`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_str_bounds(field: Field, left: Bound&lt;<span class="kw-2">&amp;</span>str&gt;, right: Bound&lt;<span class="kw-2">&amp;</span>str&gt;) -&gt; RangeQuery {
         <span class="kw">let </span>make_term_val = |val: &amp;&amp;str| val.as_bytes().to_vec();
         RangeQuery {
             field,
             value_type: Type::Str,
             left_bound: map_bound(<span class="kw-2">&amp;</span>left, <span class="kw-2">&amp;</span>make_term_val),
             right_bound: map_bound(<span class="kw-2">&amp;</span>right, <span class="kw-2">&amp;</span>make_term_val),
         }
     }

     <span class="doccomment">/// Create a new `RangeQuery` over a `Str` field.
     ///
     /// If the field is not of the type `Str`, tantivy
     /// will panic when the `Weight` object is created.
     </span><span class="kw">pub fn </span>new_str(field: Field, range: Range&lt;<span class="kw-2">&amp;</span>str&gt;) -&gt; RangeQuery {
         RangeQuery::new_str_bounds(
             field,
             Bound::Included(range.start),
             Bound::Excluded(range.end),
         )
     }

     <span class="doccomment">/// Field to search over
     </span><span class="kw">pub fn </span>field(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Field {
         <span class="self">self</span>.field
     }

     <span class="doccomment">/// Lower bound of range
     </span><span class="kw">pub fn </span>left_bound(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Bound&lt;Term&gt; {
         map_bound(<span class="kw-2">&amp;</span><span class="self">self</span>.left_bound, <span class="kw-2">&amp;</span>|bytes| {
             Term::from_field_bytes(<span class="self">self</span>.field, bytes)
         })
     }

     <span class="doccomment">/// Upper bound of range
     </span><span class="kw">pub fn </span>right_bound(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Bound&lt;Term&gt; {
         map_bound(<span class="kw-2">&amp;</span><span class="self">self</span>.right_bound, <span class="kw-2">&amp;</span>|bytes| {
             Term::from_field_bytes(<span class="self">self</span>.field, bytes)
         })
     }
 }

 <span class="kw">impl </span>Query <span class="kw">for </span>RangeQuery {
     <span class="kw">fn </span>weight(<span class="kw-2">&amp;</span><span class="self">self</span>, enable_scoring: EnableScoring&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; <span class="kw">crate</span>::Result&lt;Box&lt;<span class="kw">dyn </span>Weight&gt;&gt; {
         <span class="kw">let </span>schema = enable_scoring.schema();
         <span class="kw">let </span>field_type = schema.get_field_entry(<span class="self">self</span>.field).field_type();
         <span class="kw">let </span>value_type = field_type.value_type();
         <span class="kw">if </span>value_type != <span class="self">self</span>.value_type {
             <span class="kw">let </span>err_msg = <span class="macro">format!</span>(
                 <span class="string">&quot;Create a range query of the type {:?}, when the field given was of type {:?}&quot;</span>,
                 <span class="self">self</span>.value_type, value_type
             );
             <span class="kw">return </span><span class="prelude-val">Err</span>(TantivyError::SchemaError(err_msg));
         }

         <span class="kw">if </span>field_type.is_ip_addr() &amp;&amp; field_type.is_fast() {
             <span class="prelude-val">Ok</span>(Box::new(IPFastFieldRangeWeight::new(
                 <span class="self">self</span>.field,
                 <span class="kw-2">&amp;</span><span class="self">self</span>.left_bound,
                 <span class="kw-2">&amp;</span><span class="self">self</span>.right_bound,
             )))
         } <span class="kw">else </span>{
             <span class="prelude-val">Ok</span>(Box::new(RangeWeight {
                 field: <span class="self">self</span>.field,
                 left_bound: <span class="self">self</span>.left_bound.clone(),
                 right_bound: <span class="self">self</span>.right_bound.clone(),
             }))
         }
     }
 }

 <span class="kw">pub struct </span>RangeWeight {
     field: Field,
     left_bound: Bound&lt;Vec&lt;u8&gt;&gt;,
     right_bound: Bound&lt;Vec&lt;u8&gt;&gt;,
 }

 <span class="kw">impl </span>RangeWeight {
     <span class="kw">fn </span>term_range&lt;<span class="lifetime">&#39;a</span>&gt;(<span class="kw-2">&amp;</span><span class="self">self</span>, term_dict: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span>TermDictionary) -&gt; io::Result&lt;TermStreamer&lt;<span class="lifetime">&#39;a</span>&gt;&gt; {
         <span class="kw">use </span>std::ops::Bound::<span class="kw-2">*</span>;
         <span class="kw">let </span><span class="kw-2">mut </span>term_stream_builder = term_dict.range();
         term_stream_builder = <span class="kw">match </span><span class="self">self</span>.left_bound {
             Included(<span class="kw-2">ref </span>term_val) =&gt; term_stream_builder.ge(term_val),
             Excluded(<span class="kw-2">ref </span>term_val) =&gt; term_stream_builder.gt(term_val),
             Unbounded =&gt; term_stream_builder,
         };
         term_stream_builder = <span class="kw">match </span><span class="self">self</span>.right_bound {
             Included(<span class="kw-2">ref </span>term_val) =&gt; term_stream_builder.le(term_val),
             Excluded(<span class="kw-2">ref </span>term_val) =&gt; term_stream_builder.lt(term_val),
             Unbounded =&gt; term_stream_builder,
         };
         term_stream_builder.into_stream()
     }
 }

 <span class="kw">impl </span>Weight <span class="kw">for </span>RangeWeight {
     <span class="kw">fn </span>scorer(<span class="kw-2">&amp;</span><span class="self">self</span>, reader: <span class="kw-2">&amp;</span>SegmentReader, boost: Score) -&gt; <span class="kw">crate</span>::Result&lt;Box&lt;<span class="kw">dyn </span>Scorer&gt;&gt; {
         <span class="kw">let </span>max_doc = reader.max_doc();
         <span class="kw">let </span><span class="kw-2">mut </span>doc_bitset = BitSet::with_max_value(max_doc);

         <span class="kw">let </span>inverted_index = reader.inverted_index(<span class="self">self</span>.field)<span class="question-mark">?</span>;
         <span class="kw">let </span>term_dict = inverted_index.terms();
         <span class="kw">let </span><span class="kw-2">mut </span>term_range = <span class="self">self</span>.term_range(term_dict)<span class="question-mark">?</span>;
         <span class="kw">while </span>term_range.advance() {
             <span class="kw">let </span>term_info = term_range.value();
             <span class="kw">let </span><span class="kw-2">mut </span>block_segment_postings = inverted_index
                 .read_block_postings_from_terminfo(term_info, IndexRecordOption::Basic)<span class="question-mark">?</span>;
             <span class="kw">loop </span>{
                 <span class="kw">let </span>docs = block_segment_postings.docs();
                 <span class="kw">if </span>docs.is_empty() {
                     <span class="kw">break</span>;
                 }
                 <span class="kw">for </span><span class="kw-2">&amp;</span>doc <span class="kw">in </span>block_segment_postings.docs() {
                     doc_bitset.insert(doc);
                 }
                 block_segment_postings.advance();
             }
         }
         <span class="kw">let </span>doc_bitset = BitSetDocSet::from(doc_bitset);
         <span class="prelude-val">Ok</span>(Box::new(ConstScorer::new(doc_bitset, boost)))
     }

     <span class="kw">fn </span>explain(<span class="kw-2">&amp;</span><span class="self">self</span>, reader: <span class="kw-2">&amp;</span>SegmentReader, doc: DocId) -&gt; <span class="kw">crate</span>::Result&lt;Explanation&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>scorer = <span class="self">self</span>.scorer(reader, <span class="number">1.0</span>)<span class="question-mark">?</span>;
         <span class="kw">if </span>scorer.seek(doc) != doc {
             <span class="kw">return </span><span class="prelude-val">Err</span>(does_not_match(doc));
         }
         <span class="prelude-val">Ok</span>(Explanation::new(<span class="string">&quot;RangeQuery&quot;</span>, <span class="number">1.0</span>))
     }
 }

 <span class="attribute">#[cfg(test)]
 </span><span class="kw">mod </span>tests {

     <span class="kw">use </span>std::net::IpAddr;
     <span class="kw">use </span>std::ops::Bound;
     <span class="kw">use </span>std::str::FromStr;

     <span class="kw">use </span><span class="kw">super</span>::RangeQuery;
     <span class="kw">use </span><span class="kw">crate</span>::collector::{Count, TopDocs};
     <span class="kw">use </span><span class="kw">crate</span>::query::QueryParser;
     <span class="kw">use </span><span class="kw">crate</span>::schema::{Document, Field, IntoIpv6Addr, Schema, FAST, INDEXED, STORED, TEXT};
     <span class="kw">use crate</span>::{doc, Index};

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>test_range_query_simple() -&gt; <span class="kw">crate</span>::Result&lt;()&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder();
         <span class="kw">let </span>year_field = schema_builder.add_u64_field(<span class="string">&quot;year&quot;</span>, INDEXED);
         <span class="kw">let </span>schema = schema_builder.build();

         <span class="kw">let </span>index = Index::create_in_ram(schema);
         {
             <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer_for_tests()<span class="question-mark">?</span>;
             <span class="kw">for </span>year <span class="kw">in </span><span class="number">1950u64</span>..<span class="number">2017u64 </span>{
                 <span class="kw">let </span>num_docs_within_year = <span class="number">10 </span>+ (year - <span class="number">1950</span>) * (year - <span class="number">1950</span>);
                 <span class="kw">for _ in </span><span class="number">0</span>..num_docs_within_year {
                     index_writer.add_document(<span class="macro">doc!</span>(year_field =&gt; year))<span class="question-mark">?</span>;
                 }
             }
             index_writer.commit()<span class="question-mark">?</span>;
         }
         <span class="kw">let </span>reader = index.reader()<span class="question-mark">?</span>;
         <span class="kw">let </span>searcher = reader.searcher();

         <span class="kw">let </span>docs_in_the_sixties = RangeQuery::new_u64(year_field, <span class="number">1960u64</span>..<span class="number">1970u64</span>);

         <span class="comment">// ... or `1960..=1969` if inclusive range is enabled.
         </span><span class="kw">let </span>count = searcher.search(<span class="kw-2">&amp;</span>docs_in_the_sixties, <span class="kw-2">&amp;</span>Count)<span class="question-mark">?</span>;
         <span class="macro">assert_eq!</span>(count, <span class="number">2285</span>);
         <span class="prelude-val">Ok</span>(())
     }

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>test_range_query() -&gt; <span class="kw">crate</span>::Result&lt;()&gt; {
         <span class="kw">let </span>int_field: Field;
         <span class="kw">let </span>schema = {
             <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder();
             int_field = schema_builder.add_i64_field(<span class="string">&quot;intfield&quot;</span>, INDEXED);
             schema_builder.build()
         };

         <span class="kw">let </span>index = Index::create_in_ram(schema);
         {
             <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer_with_num_threads(<span class="number">2</span>, <span class="number">6_000_000</span>)<span class="question-mark">?</span>;

             <span class="kw">for </span>i <span class="kw">in </span><span class="number">1</span>..<span class="number">100 </span>{
                 <span class="kw">let </span><span class="kw-2">mut </span>doc = Document::new();
                 <span class="kw">for </span>j <span class="kw">in </span><span class="number">1</span>..<span class="number">100 </span>{
                     <span class="kw">if </span>i % j == <span class="number">0 </span>{
                         doc.add_i64(int_field, j <span class="kw">as </span>i64);
                     }
                 }
                 index_writer.add_document(doc)<span class="question-mark">?</span>;
             }

             index_writer.commit()<span class="question-mark">?</span>;
         }
         <span class="kw">let </span>reader = index.reader().unwrap();
         <span class="kw">let </span>searcher = reader.searcher();
         <span class="kw">let </span>count_multiples =
             |range_query: RangeQuery| searcher.search(<span class="kw-2">&amp;</span>range_query, <span class="kw-2">&amp;</span>Count).unwrap();

         <span class="macro">assert_eq!</span>(count_multiples(RangeQuery::new_i64(int_field, <span class="number">10</span>..<span class="number">11</span>)), <span class="number">9</span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_i64_bounds(
                 int_field,
                 Bound::Included(<span class="number">10</span>),
                 Bound::Included(<span class="number">11</span>)
             )),
             <span class="number">18
         </span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_i64_bounds(
                 int_field,
                 Bound::Excluded(<span class="number">9</span>),
                 Bound::Included(<span class="number">10</span>)
             )),
             <span class="number">9
         </span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_i64_bounds(
                 int_field,
                 Bound::Included(<span class="number">9</span>),
                 Bound::Unbounded
             )),
             <span class="number">91
         </span>);
         <span class="prelude-val">Ok</span>(())
     }

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>test_range_float() -&gt; <span class="kw">crate</span>::Result&lt;()&gt; {
         <span class="kw">let </span>float_field: Field;
         <span class="kw">let </span>schema = {
             <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder();
             float_field = schema_builder.add_f64_field(<span class="string">&quot;floatfield&quot;</span>, INDEXED);
             schema_builder.build()
         };

         <span class="kw">let </span>index = Index::create_in_ram(schema);
         {
             <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer_with_num_threads(<span class="number">2</span>, <span class="number">6_000_000</span>).unwrap();

             <span class="kw">for </span>i <span class="kw">in </span><span class="number">1</span>..<span class="number">100 </span>{
                 <span class="kw">let </span><span class="kw-2">mut </span>doc = Document::new();
                 <span class="kw">for </span>j <span class="kw">in </span><span class="number">1</span>..<span class="number">100 </span>{
                     <span class="kw">if </span>i % j == <span class="number">0 </span>{
                         doc.add_f64(float_field, j <span class="kw">as </span>f64);
                     }
                 }
                 index_writer.add_document(doc)<span class="question-mark">?</span>;
             }

             index_writer.commit()<span class="question-mark">?</span>;
         }
         <span class="kw">let </span>reader = index.reader()<span class="question-mark">?</span>;
         <span class="kw">let </span>searcher = reader.searcher();
         <span class="kw">let </span>count_multiples =
             |range_query: RangeQuery| searcher.search(<span class="kw-2">&amp;</span>range_query, <span class="kw-2">&amp;</span>Count).unwrap();

         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_f64(float_field, <span class="number">10.0</span>..<span class="number">11.0</span>)),
             <span class="number">9
         </span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_f64_bounds(
                 float_field,
                 Bound::Included(<span class="number">10.0</span>),
                 Bound::Included(<span class="number">11.0</span>)
             )),
             <span class="number">18
         </span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_f64_bounds(
                 float_field,
                 Bound::Excluded(<span class="number">9.0</span>),
                 Bound::Included(<span class="number">10.0</span>)
             )),
             <span class="number">9
         </span>);
         <span class="macro">assert_eq!</span>(
             count_multiples(RangeQuery::new_f64_bounds(
                 float_field,
                 Bound::Included(<span class="number">9.0</span>),
                 Bound::Unbounded
             )),
             <span class="number">91
         </span>);
         <span class="prelude-val">Ok</span>(())
     }

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>test_bug_reproduce_range_query() -&gt; <span class="kw">crate</span>::Result&lt;()&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder();
         schema_builder.add_text_field(<span class="string">&quot;title&quot;</span>, TEXT);
         schema_builder.add_i64_field(<span class="string">&quot;year&quot;</span>, INDEXED);
         <span class="kw">let </span>schema = schema_builder.build();
         <span class="kw">let </span>index = Index::create_in_ram(schema.clone());
         <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer_for_tests()<span class="question-mark">?</span>;
         <span class="kw">let </span>title = schema.get_field(<span class="string">&quot;title&quot;</span>).unwrap();
         <span class="kw">let </span>year = schema.get_field(<span class="string">&quot;year&quot;</span>).unwrap();
         index_writer.add_document(<span class="macro">doc!</span>(
           title =&gt; <span class="string">&quot;hemoglobin blood&quot;</span>,
           year =&gt; <span class="number">1990_i64
         </span>))<span class="question-mark">?</span>;
         index_writer.commit()<span class="question-mark">?</span>;
         <span class="kw">let </span>reader = index.reader()<span class="question-mark">?</span>;
         <span class="kw">let </span>searcher = reader.searcher();
         <span class="kw">let </span>query_parser = QueryParser::for_index(<span class="kw-2">&amp;</span>index, <span class="macro">vec!</span>[title]);
         <span class="kw">let </span>query = query_parser.parse_query(<span class="string">&quot;hemoglobin AND year:[1970 TO 1990]&quot;</span>)<span class="question-mark">?</span>;
         <span class="kw">let </span>top_docs = searcher.search(<span class="kw-2">&amp;</span>query, <span class="kw-2">&amp;</span>TopDocs::with_limit(<span class="number">10</span>))<span class="question-mark">?</span>;
         <span class="macro">assert_eq!</span>(top_docs.len(), <span class="number">1</span>);
         <span class="prelude-val">Ok</span>(())
     }

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>search_ip_range_test_posting_list() {
         search_ip_range_test_opt(<span class="bool-val">false</span>);
     }

     <span class="attribute">#[test]
     </span><span class="kw">fn </span>search_ip_range_test() {
         search_ip_range_test_opt(<span class="bool-val">true</span>);
     }

     <span class="kw">fn </span>search_ip_range_test_opt(with_fast_field: bool) {
         <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder();
         <span class="kw">let </span>ip_field = <span class="kw">if </span>with_fast_field {
             schema_builder.add_ip_addr_field(<span class="string">&quot;ip&quot;</span>, INDEXED | STORED | FAST)
         } <span class="kw">else </span>{
             schema_builder.add_ip_addr_field(<span class="string">&quot;ip&quot;</span>, INDEXED | STORED)
         };
         <span class="kw">let </span>text_field = schema_builder.add_text_field(<span class="string">&quot;text&quot;</span>, TEXT | STORED);
         <span class="kw">let </span>schema = schema_builder.build();
         <span class="kw">let </span>index = Index::create_in_ram(schema);
         <span class="kw">let </span>ip_addr_1 = IpAddr::from_str(<span class="string">&quot;127.0.0.10&quot;</span>).unwrap().into_ipv6_addr();
         <span class="kw">let </span>ip_addr_2 = IpAddr::from_str(<span class="string">&quot;127.0.0.20&quot;</span>).unwrap().into_ipv6_addr();

         {
             <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer(<span class="number">3_000_000</span>).unwrap();
             <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1_000 </span>{
                 index_writer
                     .add_document(<span class="macro">doc!</span>(
                         ip_field =&gt; ip_addr_1,
                         text_field =&gt; <span class="string">&quot;BLUBBER&quot;
                     </span>))
                     .unwrap();
             }
             <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">1_000 </span>{
                 index_writer
                     .add_document(<span class="macro">doc!</span>(
                         ip_field =&gt; ip_addr_2,
                         text_field =&gt; <span class="string">&quot;BLOBBER&quot;
                     </span>))
                     .unwrap();
             }

             index_writer.commit().unwrap();
         }
         <span class="kw">let </span>reader = index.reader().unwrap();
         <span class="kw">let </span>searcher = reader.searcher();

         <span class="kw">let </span>get_num_hits = |query| {
             <span class="kw">let </span>(_top_docs, count) = searcher
                 .search(<span class="kw-2">&amp;</span>query, <span class="kw-2">&amp;</span>(TopDocs::with_limit(<span class="number">10</span>), Count))
                 .unwrap();
             count
         };
         <span class="kw">let </span>query_from_text = |text: <span class="kw-2">&amp;</span>str| {
             QueryParser::for_index(<span class="kw-2">&amp;</span>index, <span class="macro">vec!</span>[])
                 .parse_query(text)
                 .unwrap()
         };

         <span class="comment">// Inclusive range
         </span><span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.1 TO 127.0.0.20]&quot;</span>)),
             <span class="number">2000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.10 TO 127.0.0.20]&quot;</span>)),
             <span class="number">2000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.11 TO 127.0.0.20]&quot;</span>)),
             <span class="number">1000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.11 TO 127.0.0.19]&quot;</span>)),
             <span class="number">0
         </span>);

         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.11 TO *]&quot;</span>)), <span class="number">1000</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.21 TO *]&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:[* TO 127.0.0.9]&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:[* TO 127.0.0.10]&quot;</span>)), <span class="number">1000</span>);

         <span class="comment">// Exclusive range
         </span><span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.1 TO 127.0.0.20}&quot;</span>)),
             <span class="number">1000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.1 TO 127.0.0.21}&quot;</span>)),
             <span class="number">2000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.10 TO 127.0.0.20}&quot;</span>)),
             <span class="number">0
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.11 TO 127.0.0.20}&quot;</span>)),
             <span class="number">0
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.11 TO 127.0.0.19}&quot;</span>)),
             <span class="number">0
         </span>);

         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.11 TO *}&quot;</span>)), <span class="number">1000</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.10 TO *}&quot;</span>)), <span class="number">1000</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.21 TO *}&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.20 TO *}&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.19 TO *}&quot;</span>)), <span class="number">1000</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{* TO 127.0.0.9}&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{* TO 127.0.0.10}&quot;</span>)), <span class="number">0</span>);
         <span class="macro">assert_eq!</span>(get_num_hits(query_from_text(<span class="string">&quot;ip:{* TO 127.0.0.11}&quot;</span>)), <span class="number">1000</span>);

         <span class="comment">// Inclusive/Exclusive range
         </span><span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:[127.0.0.1 TO 127.0.0.20}&quot;</span>)),
             <span class="number">1000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(<span class="string">&quot;ip:{127.0.0.1 TO 127.0.0.20]&quot;</span>)),
             <span class="number">2000
         </span>);

         <span class="comment">// Intersection
         </span><span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(
                 <span class="string">&quot;text:BLUBBER AND ip:[127.0.0.10 TO 127.0.0.10]&quot;
             </span>)),
             <span class="number">1000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(
                 <span class="string">&quot;text:BLOBBER AND ip:[127.0.0.10 TO 127.0.0.10]&quot;
             </span>)),
             <span class="number">0
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(
                 <span class="string">&quot;text:BLOBBER AND ip:[127.0.0.20 TO 127.0.0.20]&quot;
             </span>)),
             <span class="number">1000
         </span>);

         <span class="macro">assert_eq!</span>(
             get_num_hits(query_from_text(
                 <span class="string">&quot;text:BLUBBER AND ip:[127.0.0.20 TO 127.0.0.20]&quot;
             </span>)),
             <span class="number">0
         </span>);
     }
 }
 </code></pre></div>
 </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="tantivy" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>