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| </pre><pre class="rust"><code><span class="doccomment">//! This module is used when sorting the index by a property, e.g. |
| //! to get mappings from old doc_id to new doc_id and vice versa, after sorting |
| |
| </span><span class="kw">use </span>std::cmp::Reverse; |
| |
| <span class="kw">use </span><span class="kw">super</span>::SegmentWriter; |
| <span class="kw">use </span><span class="kw">crate</span>::schema::{Field, Schema}; |
| <span class="kw">use crate</span>::{DocAddress, DocId, IndexSortByField, Order, TantivyError}; |
| |
| <span class="doccomment">/// Struct to provide mapping from new doc_id to old doc_id and segment. |
| </span><span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>SegmentDocIdMapping { |
| new_doc_id_to_old_doc_addr: Vec<DocAddress>, |
| is_trivial: bool, |
| } |
| |
| <span class="kw">impl </span>SegmentDocIdMapping { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(new_doc_id_to_old_and_segment: Vec<DocAddress>, is_trivial: bool) -> <span class="self">Self </span>{ |
| <span class="self">Self </span>{ |
| new_doc_id_to_old_doc_addr: new_doc_id_to_old_and_segment, |
| is_trivial, |
| } |
| } |
| |
| <span class="doccomment">/// Returns an iterator over the old document addresses, ordered by the new document ids. |
| /// |
| /// In the returned `DocAddress`, the `segment_ord` is the ordinal of targeted segment |
| /// in the list of merged segments. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>iter_old_doc_addrs(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = DocAddress> + <span class="lifetime">'_ </span>{ |
| <span class="self">self</span>.new_doc_id_to_old_doc_addr.iter().copied() |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.new_doc_id_to_old_doc_addr.len() |
| } |
| |
| <span class="doccomment">/// This flags means the segments are simply stacked in the order of their ordinal. |
| /// e.g. [(0, 1), .. (n, 1), (0, 2)..., (m, 2)] |
| /// |
| /// This allows for some optimization. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>is_trivial(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.is_trivial |
| } |
| } |
| |
| <span class="doccomment">/// Struct to provide mapping from old doc_id to new doc_id and vice versa within a segment. |
| </span><span class="kw">pub struct </span>DocIdMapping { |
| new_doc_id_to_old: Vec<DocId>, |
| old_doc_id_to_new: Vec<DocId>, |
| } |
| |
| <span class="kw">impl </span>DocIdMapping { |
| <span class="kw">pub fn </span>from_new_id_to_old_id(new_doc_id_to_old: Vec<DocId>) -> <span class="self">Self </span>{ |
| <span class="kw">let </span>max_doc = new_doc_id_to_old.len(); |
| <span class="kw">let </span>old_max_doc = new_doc_id_to_old |
| .iter() |
| .cloned() |
| .max() |
| .map(|n| n + <span class="number">1</span>) |
| .unwrap_or(<span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>old_doc_id_to_new = <span class="macro">vec!</span>[<span class="number">0</span>; old_max_doc <span class="kw">as </span>usize]; |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..max_doc { |
| old_doc_id_to_new[new_doc_id_to_old[i] <span class="kw">as </span>usize] = i <span class="kw">as </span>DocId; |
| } |
| DocIdMapping { |
| new_doc_id_to_old, |
| old_doc_id_to_new, |
| } |
| } |
| |
| <span class="doccomment">/// returns the new doc_id for the old doc_id |
| </span><span class="kw">pub fn </span>get_new_doc_id(<span class="kw-2">&</span><span class="self">self</span>, doc_id: DocId) -> DocId { |
| <span class="self">self</span>.old_doc_id_to_new[doc_id <span class="kw">as </span>usize] |
| } |
| <span class="doccomment">/// returns the old doc_id for the new doc_id |
| </span><span class="kw">pub fn </span>get_old_doc_id(<span class="kw-2">&</span><span class="self">self</span>, doc_id: DocId) -> DocId { |
| <span class="self">self</span>.new_doc_id_to_old[doc_id <span class="kw">as </span>usize] |
| } |
| <span class="doccomment">/// iterate over old doc_ids in order of the new doc_ids |
| </span><span class="kw">pub fn </span>iter_old_doc_ids(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = DocId> + Clone + <span class="lifetime">'_ </span>{ |
| <span class="self">self</span>.new_doc_id_to_old.iter().cloned() |
| } |
| <span class="doccomment">/// Remaps a given array to the new doc ids. |
| </span><span class="kw">pub fn </span>remap<T: Copy>(<span class="kw-2">&</span><span class="self">self</span>, els: <span class="kw-2">&</span>[T]) -> Vec<T> { |
| <span class="self">self</span>.new_doc_id_to_old |
| .iter() |
| .map(|old_doc| els[<span class="kw-2">*</span>old_doc <span class="kw">as </span>usize]) |
| .collect() |
| } |
| <span class="kw">pub fn </span>num_new_doc_ids(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.new_doc_id_to_old.len() |
| } |
| <span class="kw">pub fn </span>num_old_doc_ids(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.old_doc_id_to_new.len() |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>expect_field_id_for_sort_field( |
| schema: <span class="kw-2">&</span>Schema, |
| sort_by_field: <span class="kw-2">&</span>IndexSortByField, |
| ) -> <span class="kw">crate</span>::Result<Field> { |
| schema.get_field(<span class="kw-2">&</span>sort_by_field.field).ok_or_else(|| { |
| TantivyError::InvalidArgument(<span class="macro">format!</span>( |
| <span class="string">"field to sort index by not found: {:?}"</span>, |
| sort_by_field.field |
| )) |
| }) |
| } |
| |
| <span class="comment">// Generates a document mapping in the form of [index new doc_id] -> old doc_id |
| // TODO detect if field is already sorted and discard mapping |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_doc_id_mapping_from_field( |
| sort_by_field: IndexSortByField, |
| segment_writer: <span class="kw-2">&</span>SegmentWriter, |
| ) -> <span class="kw">crate</span>::Result<DocIdMapping> { |
| <span class="kw">let </span>schema = segment_writer.segment_serializer.segment().schema(); |
| <span class="kw">let </span>field_id = expect_field_id_for_sort_field(<span class="kw-2">&</span>schema, <span class="kw-2">&</span>sort_by_field)<span class="question-mark">?</span>; <span class="comment">// for now expect fastfield, but not strictly required |
| </span><span class="kw">let </span>fast_field = segment_writer |
| .fast_field_writers |
| .get_field_writer(field_id) |
| .ok_or_else(|| { |
| TantivyError::InvalidArgument(<span class="macro">format!</span>( |
| <span class="string">"sort index by field is required to be a fast field {:?}"</span>, |
| sort_by_field.field |
| )) |
| })<span class="question-mark">?</span>; |
| |
| <span class="comment">// create new doc_id to old doc_id index (used in fast_field_writers) |
| </span><span class="kw">let </span><span class="kw-2">mut </span>doc_id_and_data = fast_field |
| .iter() |
| .enumerate() |
| .map(|el| (el.<span class="number">0 </span><span class="kw">as </span>DocId, el.<span class="number">1</span>)) |
| .collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">if </span>sort_by_field.order == Order::Desc { |
| doc_id_and_data.sort_by_key(|k| Reverse(k.<span class="number">1</span>)); |
| } <span class="kw">else </span>{ |
| doc_id_and_data.sort_by_key(|k| k.<span class="number">1</span>); |
| } |
| <span class="kw">let </span>new_doc_id_to_old = doc_id_and_data |
| .into_iter() |
| .map(|el| el.<span class="number">0</span>) |
| .collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="prelude-val">Ok</span>(DocIdMapping::from_new_id_to_old_id(new_doc_id_to_old)) |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests_indexsorting { |
| <span class="kw">use </span><span class="kw">crate</span>::collector::TopDocs; |
| <span class="kw">use </span><span class="kw">crate</span>::indexer::doc_id_mapping::DocIdMapping; |
| <span class="kw">use </span><span class="kw">crate</span>::query::QueryParser; |
| <span class="kw">use </span><span class="kw">crate</span>::schema::{Schema, <span class="kw-2">*</span>}; |
| <span class="kw">use crate</span>::{DocAddress, Index, IndexSettings, IndexSortByField, Order}; |
| |
| <span class="kw">fn </span>create_test_index( |
| index_settings: <span class="prelude-ty">Option</span><IndexSettings>, |
| text_field_options: TextOptions, |
| ) -> <span class="kw">crate</span>::Result<Index> { |
| <span class="kw">let </span><span class="kw-2">mut </span>schema_builder = Schema::builder(); |
| |
| <span class="kw">let </span>my_text_field = schema_builder.add_text_field(<span class="string">"text_field"</span>, text_field_options); |
| <span class="kw">let </span>my_string_field = schema_builder.add_text_field(<span class="string">"string_field"</span>, STRING | STORED); |
| <span class="kw">let </span>my_number = schema_builder.add_u64_field( |
| <span class="string">"my_number"</span>, |
| NumericOptions::default().set_fast(Cardinality::SingleValue), |
| ); |
| |
| <span class="kw">let </span>multi_numbers = schema_builder.add_u64_field( |
| <span class="string">"multi_numbers"</span>, |
| NumericOptions::default().set_fast(Cardinality::MultiValues), |
| ); |
| |
| <span class="kw">let </span>schema = schema_builder.build(); |
| <span class="kw">let </span><span class="kw-2">mut </span>index_builder = Index::builder().schema(schema); |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(settings) = index_settings { |
| index_builder = index_builder.settings(settings); |
| } |
| <span class="kw">let </span>index = index_builder.create_in_ram()<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>index_writer = index.writer_for_tests()<span class="question-mark">?</span>; |
| index_writer.add_document(<span class="macro">doc!</span>(my_number=><span class="number">40_u64</span>))<span class="question-mark">?</span>; |
| index_writer.add_document( |
| <span class="macro">doc!</span>(my_number=><span class="number">20_u64</span>, multi_numbers => <span class="number">5_u64</span>, multi_numbers => <span class="number">6_u64</span>), |
| )<span class="question-mark">?</span>; |
| index_writer.add_document(<span class="macro">doc!</span>(my_number=><span class="number">100_u64</span>))<span class="question-mark">?</span>; |
| index_writer.add_document( |
| <span class="macro">doc!</span>(my_number=><span class="number">10_u64</span>, my_string_field=> <span class="string">"blublub"</span>, my_text_field => <span class="string">"some text"</span>), |
| )<span class="question-mark">?</span>; |
| index_writer.add_document(<span class="macro">doc!</span>(my_number=><span class="number">30_u64</span>, multi_numbers => <span class="number">3_u64 </span>))<span class="question-mark">?</span>; |
| index_writer.commit()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(index) |
| } |
| <span class="kw">fn </span>get_text_options() -> TextOptions { |
| TextOptions::default().set_indexing_options( |
| TextFieldIndexing::default().set_index_option(IndexRecordOption::Basic), |
| ) |
| } |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sort_index_test_text_field() -> <span class="kw">crate</span>::Result<()> { |
| <span class="comment">// there are different serializers for different settings in postings/recorder.rs |
| // test remapping for all of them |
| </span><span class="kw">let </span>options = <span class="macro">vec!</span>[ |
| get_text_options(), |
| get_text_options().set_indexing_options( |
| TextFieldIndexing::default().set_index_option(IndexRecordOption::WithFreqs), |
| ), |
| get_text_options().set_indexing_options( |
| TextFieldIndexing::default() |
| .set_index_option(IndexRecordOption::WithFreqsAndPositions), |
| ), |
| ]; |
| |
| <span class="kw">for </span>option <span class="kw">in </span>options { |
| <span class="comment">// let options = get_text_options(); |
| // no index_sort |
| </span><span class="kw">let </span>index = create_test_index(<span class="prelude-val">None</span>, option.clone())<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| |
| <span class="kw">let </span>query = QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_text_field]).parse_query(<span class="string">"text"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = |
| searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">3</span>] |
| ); |
| |
| <span class="comment">// sort by field asc |
| </span><span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Asc, |
| }), |
| ..Default::default() |
| }), |
| option.clone(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <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 = QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_text_field]).parse_query(<span class="string">"text"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = |
| searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">0</span>] |
| ); |
| |
| <span class="comment">// test new field norm mapping |
| </span>{ |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>fieldnorm_reader = searcher |
| .segment_reader(<span class="number">0</span>) |
| .get_fieldnorms_reader(my_text_field)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">0</span>), <span class="number">2</span>); <span class="comment">// some text |
| </span><span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">1</span>), <span class="number">0</span>); |
| } |
| <span class="comment">// sort by field desc |
| </span><span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Desc, |
| }), |
| ..Default::default() |
| }), |
| option.clone(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| |
| <span class="kw">let </span>query = |
| QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_string_field]).parse_query(<span class="string">"text"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = |
| searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">4</span>] |
| ); |
| <span class="comment">// test new field norm mapping |
| </span>{ |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>fieldnorm_reader = searcher |
| .segment_reader(<span class="number">0</span>) |
| .get_fieldnorms_reader(my_text_field)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">0</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">1</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">2</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">3</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">4</span>), <span class="number">2</span>); <span class="comment">// some text |
| </span>} |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sort_index_get_documents() -> <span class="kw">crate</span>::Result<()> { |
| <span class="comment">// default baseline |
| </span><span class="kw">let </span>index = create_test_index(<span class="prelude-val">None</span>, get_text_options())<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| { |
| <span class="macro">assert_eq!</span>( |
| searcher |
| .doc(DocAddress::new(<span class="number">0</span>, <span class="number">0</span>))<span class="question-mark">? |
| </span>.get_first(my_string_field), |
| <span class="prelude-val">None |
| </span>); |
| <span class="macro">assert_eq!</span>( |
| searcher |
| .doc(DocAddress::new(<span class="number">0</span>, <span class="number">3</span>))<span class="question-mark">? |
| </span>.get_first(my_string_field) |
| .unwrap() |
| .as_text(), |
| <span class="prelude-val">Some</span>(<span class="string">"blublub"</span>) |
| ); |
| } |
| <span class="comment">// sort by field asc |
| </span><span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Asc, |
| }), |
| ..Default::default() |
| }), |
| get_text_options(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| { |
| <span class="macro">assert_eq!</span>( |
| searcher |
| .doc(DocAddress::new(<span class="number">0</span>, <span class="number">0</span>))<span class="question-mark">? |
| </span>.get_first(my_string_field) |
| .unwrap() |
| .as_text(), |
| <span class="prelude-val">Some</span>(<span class="string">"blublub"</span>) |
| ); |
| <span class="kw">let </span>doc = searcher.doc(DocAddress::new(<span class="number">0</span>, <span class="number">4</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(doc.get_first(my_string_field), <span class="prelude-val">None</span>); |
| } |
| <span class="comment">// sort by field desc |
| </span><span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Desc, |
| }), |
| ..Default::default() |
| }), |
| get_text_options(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| { |
| <span class="kw">let </span>doc = searcher.doc(DocAddress::new(<span class="number">0</span>, <span class="number">4</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| doc.get_first(my_string_field).unwrap().as_text(), |
| <span class="prelude-val">Some</span>(<span class="string">"blublub"</span>) |
| ); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sort_index_test_string_field() -> <span class="kw">crate</span>::Result<()> { |
| <span class="kw">let </span>index = create_test_index(<span class="prelude-val">None</span>, get_text_options())<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| |
| <span class="kw">let </span>query = QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_string_field]).parse_query(<span class="string">"blublub"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">3</span>] |
| ); |
| |
| <span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Asc, |
| }), |
| ..Default::default() |
| }), |
| get_text_options(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <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 = QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_string_field]).parse_query(<span class="string">"blublub"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">0</span>] |
| ); |
| |
| <span class="comment">// test new field norm mapping |
| </span>{ |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>fieldnorm_reader = searcher |
| .segment_reader(<span class="number">0</span>) |
| .get_fieldnorms_reader(my_text_field)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">0</span>), <span class="number">2</span>); <span class="comment">// some text |
| </span><span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">1</span>), <span class="number">0</span>); |
| } |
| <span class="comment">// sort by field desc |
| </span><span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Desc, |
| }), |
| ..Default::default() |
| }), |
| get_text_options(), |
| )<span class="question-mark">?</span>; |
| <span class="kw">let </span>my_string_field = index.schema().get_field(<span class="string">"string_field"</span>).unwrap(); |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| |
| <span class="kw">let </span>query = QueryParser::for_index(<span class="kw-2">&</span>index, <span class="macro">vec!</span>[my_string_field]).parse_query(<span class="string">"blublub"</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>top_docs: Vec<(f32, DocAddress)> = searcher.search(<span class="kw-2">&</span>query, <span class="kw-2">&</span>TopDocs::with_limit(<span class="number">3</span>))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| top_docs.iter().map(|el| el.<span class="number">1</span>.doc_id).collect::<Vec<<span class="kw">_</span>>>(), |
| <span class="macro">vec!</span>[<span class="number">4</span>] |
| ); |
| <span class="comment">// test new field norm mapping |
| </span>{ |
| <span class="kw">let </span>my_text_field = index.schema().get_field(<span class="string">"text_field"</span>).unwrap(); |
| <span class="kw">let </span>fieldnorm_reader = searcher |
| .segment_reader(<span class="number">0</span>) |
| .get_fieldnorms_reader(my_text_field)<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">0</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">1</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">2</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">3</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(fieldnorm_reader.fieldnorm(<span class="number">4</span>), <span class="number">2</span>); <span class="comment">// some text |
| </span>} |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sort_index_fast_field() -> <span class="kw">crate</span>::Result<()> { |
| <span class="kw">let </span>index = create_test_index( |
| <span class="prelude-val">Some</span>(IndexSettings { |
| sort_by_field: <span class="prelude-val">Some</span>(IndexSortByField { |
| field: <span class="string">"my_number"</span>.to_string(), |
| order: Order::Asc, |
| }), |
| ..Default::default() |
| }), |
| get_text_options(), |
| )<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>( |
| index.settings().sort_by_field.as_ref().unwrap().field, |
| <span class="string">"my_number"</span>.to_string() |
| ); |
| |
| <span class="kw">let </span>searcher = index.reader()<span class="question-mark">?</span>.searcher(); |
| <span class="macro">assert_eq!</span>(searcher.segment_readers().len(), <span class="number">1</span>); |
| <span class="kw">let </span>segment_reader = searcher.segment_reader(<span class="number">0</span>); |
| <span class="kw">let </span>fast_fields = segment_reader.fast_fields(); |
| <span class="kw">let </span>my_number = index.schema().get_field(<span class="string">"my_number"</span>).unwrap(); |
| |
| <span class="kw">let </span>fast_field = fast_fields.u64(my_number).unwrap(); |
| <span class="macro">assert_eq!</span>(fast_field.get_val(<span class="number">0</span>), <span class="number">10u64</span>); |
| <span class="macro">assert_eq!</span>(fast_field.get_val(<span class="number">1</span>), <span class="number">20u64</span>); |
| <span class="macro">assert_eq!</span>(fast_field.get_val(<span class="number">2</span>), <span class="number">30u64</span>); |
| |
| <span class="kw">let </span>multi_numbers = index.schema().get_field(<span class="string">"multi_numbers"</span>).unwrap(); |
| <span class="kw">let </span>multifield = fast_fields.u64s(multi_numbers).unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>vals = <span class="macro">vec!</span>[]; |
| multifield.get_vals(<span class="number">0u32</span>, <span class="kw-2">&mut </span>vals); |
| <span class="macro">assert_eq!</span>(vals, <span class="kw-2">&</span>[] <span class="kw">as </span><span class="kw-2">&</span>[u64]); |
| <span class="kw">let </span><span class="kw-2">mut </span>vals = <span class="macro">vec!</span>[]; |
| multifield.get_vals(<span class="number">1u32</span>, <span class="kw-2">&mut </span>vals); |
| <span class="macro">assert_eq!</span>(vals, <span class="kw-2">&</span>[<span class="number">5</span>, <span class="number">6</span>]); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>vals = <span class="macro">vec!</span>[]; |
| multifield.get_vals(<span class="number">2u32</span>, <span class="kw-2">&mut </span>vals); |
| <span class="macro">assert_eq!</span>(vals, <span class="kw-2">&</span>[<span class="number">3</span>]); |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_doc_mapping() { |
| <span class="kw">let </span>doc_mapping = DocIdMapping::from_new_id_to_old_id(<span class="macro">vec!</span>[<span class="number">3</span>, <span class="number">2</span>, <span class="number">5</span>]); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_old_doc_id(<span class="number">0</span>), <span class="number">3</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_old_doc_id(<span class="number">1</span>), <span class="number">2</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_old_doc_id(<span class="number">2</span>), <span class="number">5</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">0</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">1</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">2</span>), <span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">3</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">4</span>), <span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(doc_mapping.get_new_doc_id(<span class="number">5</span>), <span class="number">2</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_doc_mapping_remap() { |
| <span class="kw">let </span>doc_mapping = DocIdMapping::from_new_id_to_old_id(<span class="macro">vec!</span>[<span class="number">2</span>, <span class="number">8</span>, <span class="number">3</span>]); |
| <span class="macro">assert_eq!</span>( |
| <span class="kw-2">&</span>doc_mapping.remap(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">1000</span>, <span class="number">2000</span>, <span class="number">3000</span>, <span class="number">4000</span>, <span class="number">5000</span>, <span class="number">6000</span>, <span class="number">7000</span>, <span class="number">8000</span>]), |
| <span class="kw-2">&</span>[<span class="number">2000</span>, <span class="number">8000</span>, <span class="number">3000</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> |