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| </pre><pre class="rust"><code><span class="kw">use </span>std::net::Ipv6Addr; |
| <span class="kw">use </span>std::sync::Arc; |
| |
| <span class="kw">use </span>fastfield_codecs::{open, open_u128, Column}; |
| |
| <span class="kw">use </span><span class="kw">super</span>::multivalued::MultiValuedU128FastFieldReader; |
| <span class="kw">use </span><span class="kw">crate</span>::directory::{CompositeFile, FileSlice}; |
| <span class="kw">use </span><span class="kw">crate</span>::fastfield::{ |
| BytesFastFieldReader, FastFieldNotAvailableError, FastValue, MultiValuedFastFieldReader, |
| }; |
| <span class="kw">use </span><span class="kw">crate</span>::schema::{Cardinality, Field, FieldType, Schema}; |
| <span class="kw">use </span><span class="kw">crate</span>::space_usage::PerFieldSpaceUsage; |
| <span class="kw">use crate</span>::{DateTime, TantivyError}; |
| |
| <span class="doccomment">/// Provides access to all of the BitpackedFastFieldReader. |
| /// |
| /// Internally, `FastFieldReaders` have preloaded fast field readers, |
| /// and just wraps several `HashMap`. |
| </span><span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub struct </span>FastFieldReaders { |
| schema: Schema, |
| fast_fields_composite: CompositeFile, |
| } |
| <span class="attribute">#[derive(Eq, PartialEq, Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">enum </span>FastType { |
| I64, |
| U64, |
| U128, |
| F64, |
| Bool, |
| Date, |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>type_and_cardinality(field_type: <span class="kw-2">&</span>FieldType) -> <span class="prelude-ty">Option</span><(FastType, Cardinality)> { |
| <span class="kw">match </span>field_type { |
| FieldType::U64(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::U64, cardinality)), |
| FieldType::I64(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::I64, cardinality)), |
| FieldType::F64(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::F64, cardinality)), |
| FieldType::Bool(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::Bool, cardinality)), |
| FieldType::Date(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::Date, cardinality)), |
| FieldType::Facet(<span class="kw">_</span>) => <span class="prelude-val">Some</span>((FastType::U64, Cardinality::MultiValues)), |
| FieldType::Str(options) <span class="kw">if </span>options.is_fast() => { |
| <span class="prelude-val">Some</span>((FastType::U64, Cardinality::MultiValues)) |
| } |
| FieldType::IpAddr(options) => options |
| .get_fastfield_cardinality() |
| .map(|cardinality| (FastType::U128, cardinality)), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="kw">impl </span>FastFieldReaders { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(schema: Schema, fast_fields_composite: CompositeFile) -> FastFieldReaders { |
| FastFieldReaders { |
| schema, |
| fast_fields_composite, |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>space_usage(<span class="kw-2">&</span><span class="self">self</span>) -> PerFieldSpaceUsage { |
| <span class="self">self</span>.fast_fields_composite.space_usage() |
| } |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub fn </span>fast_field_data(<span class="kw-2">&</span><span class="self">self</span>, field: Field, idx: usize) -> <span class="kw">crate</span>::Result<FileSlice> { |
| <span class="self">self</span>.fast_fields_composite |
| .open_read_with_idx(field, idx) |
| .ok_or_else(|| { |
| <span class="kw">let </span>field_name = <span class="self">self</span>.schema.get_field_entry(field).name(); |
| TantivyError::SchemaError(<span class="macro">format!</span>(<span class="string">"Field({}) data was not found"</span>, field_name)) |
| }) |
| } |
| |
| <span class="kw">fn </span>check_type( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| field: Field, |
| expected_fast_type: FastType, |
| expected_cardinality: Cardinality, |
| ) -> <span class="kw">crate</span>::Result<()> { |
| <span class="kw">let </span>field_entry = <span class="self">self</span>.schema.get_field_entry(field); |
| <span class="kw">let </span>(fast_type, cardinality) = |
| type_and_cardinality(field_entry.field_type()).ok_or_else(|| { |
| <span class="kw">crate</span>::TantivyError::SchemaError(<span class="macro">format!</span>( |
| <span class="string">"Field {:?} is not a fast field."</span>, |
| field_entry.name() |
| )) |
| })<span class="question-mark">?</span>; |
| <span class="kw">if </span>fast_type != expected_fast_type { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="kw">crate</span>::TantivyError::SchemaError(<span class="macro">format!</span>( |
| <span class="string">"Field {:?} is of type {:?}, expected {:?}."</span>, |
| field_entry.name(), |
| fast_type, |
| expected_fast_type |
| ))); |
| } |
| <span class="kw">if </span>cardinality != expected_cardinality { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="kw">crate</span>::TantivyError::SchemaError(<span class="macro">format!</span>( |
| <span class="string">"Field {:?} is of cardinality {:?}, expected {:?}."</span>, |
| field_entry.name(), |
| cardinality, |
| expected_cardinality |
| ))); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>typed_fast_field_reader_with_idx<TFastValue: FastValue>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| field: Field, |
| index: usize, |
| ) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<TFastValue>>> { |
| <span class="kw">let </span>fast_field_slice = <span class="self">self</span>.fast_field_data(field, index)<span class="question-mark">?</span>; |
| <span class="kw">let </span>bytes = fast_field_slice.read_bytes()<span class="question-mark">?</span>; |
| <span class="kw">let </span>column = fastfield_codecs::open(bytes)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(column) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>typed_fast_field_reader<TFastValue: FastValue>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| field: Field, |
| ) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<TFastValue>>> { |
| <span class="self">self</span>.typed_fast_field_reader_with_idx(field, <span class="number">0</span>) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>typed_fast_field_multi_reader<TFastValue: FastValue>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| field: Field, |
| ) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<TFastValue>> { |
| <span class="kw">let </span>idx_reader = <span class="self">self</span>.typed_fast_field_reader(field)<span class="question-mark">?</span>; |
| <span class="kw">let </span>vals_reader = <span class="self">self</span>.typed_fast_field_reader_with_idx(field, <span class="number">1</span>)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(MultiValuedFastFieldReader::open(idx_reader, vals_reader)) |
| } |
| |
| <span class="doccomment">/// Returns the `u64` fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a u64 fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>u64(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<u64>>> { |
| <span class="self">self</span>.check_type(field, FastType::U64, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `ip` fast field reader reader associated to `field`. |
| /// |
| /// If `field` is not a u128 fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>ip_addr(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<Ipv6Addr>>> { |
| <span class="self">self</span>.check_type(field, FastType::U128, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="kw">let </span>bytes = <span class="self">self</span>.fast_field_data(field, <span class="number">0</span>)<span class="question-mark">?</span>.read_bytes()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(open_u128::<Ipv6Addr>(bytes)<span class="question-mark">?</span>) |
| } |
| |
| <span class="doccomment">/// Returns the `ip` fast field reader reader associated to `field`. |
| /// |
| /// If `field` is not a u128 fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>ip_addrs( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| field: Field, |
| ) -> <span class="kw">crate</span>::Result<MultiValuedU128FastFieldReader<Ipv6Addr>> { |
| <span class="self">self</span>.check_type(field, FastType::U128, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="kw">let </span>idx_reader: Arc<<span class="kw">dyn </span>Column<u64>> = <span class="self">self</span>.typed_fast_field_reader(field)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>bytes = <span class="self">self</span>.fast_field_data(field, <span class="number">1</span>)<span class="question-mark">?</span>.read_bytes()<span class="question-mark">?</span>; |
| <span class="kw">let </span>vals_reader = open_u128::<Ipv6Addr>(bytes)<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(MultiValuedU128FastFieldReader::open( |
| idx_reader, |
| vals_reader, |
| )) |
| } |
| |
| <span class="doccomment">/// Returns the `u128` fast field reader reader associated to `field`. |
| /// |
| /// If `field` is not a u128 fast field, this method returns an Error. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>u128(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<u128>>> { |
| <span class="self">self</span>.check_type(field, FastType::U128, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="kw">let </span>bytes = <span class="self">self</span>.fast_field_data(field, <span class="number">0</span>)<span class="question-mark">?</span>.read_bytes()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(open_u128::<u128>(bytes)<span class="question-mark">?</span>) |
| } |
| |
| <span class="doccomment">/// Returns the `u128` multi-valued fast field reader reader associated to `field`. |
| /// |
| /// If `field` is not a u128 multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>u128s(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedU128FastFieldReader<u128>> { |
| <span class="self">self</span>.check_type(field, FastType::U128, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="kw">let </span>idx_reader: Arc<<span class="kw">dyn </span>Column<u64>> = <span class="self">self</span>.typed_fast_field_reader(field)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>bytes = <span class="self">self</span>.fast_field_data(field, <span class="number">1</span>)<span class="question-mark">?</span>.read_bytes()<span class="question-mark">?</span>; |
| <span class="kw">let </span>vals_reader = open_u128::<u128>(bytes)<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(MultiValuedU128FastFieldReader::open( |
| idx_reader, |
| vals_reader, |
| )) |
| } |
| |
| <span class="doccomment">/// Returns the `u64` fast field reader reader associated with `field`, regardless of whether |
| /// the given field is effectively of type `u64` or not. |
| /// |
| /// If not, the fastfield reader will returns the u64-value associated with the original |
| /// FastValue. |
| </span><span class="kw">pub fn </span>u64_lenient(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<u64>>> { |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `i64` fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a i64 fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>i64(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<i64>>> { |
| <span class="self">self</span>.check_type(field, FastType::I64, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `date` fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a date fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>date(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<DateTime>>> { |
| <span class="self">self</span>.check_type(field, FastType::Date, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `f64` fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a f64 fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>f64(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<f64>>> { |
| <span class="self">self</span>.check_type(field, FastType::F64, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `bool` fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a bool fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>bool(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<Arc<<span class="kw">dyn </span>Column<bool>>> { |
| <span class="self">self</span>.check_type(field, FastType::Bool, Cardinality::SingleValue)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `u64s` multi-valued fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a u64 multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>u64s(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<u64>> { |
| <span class="self">self</span>.check_type(field, FastType::U64, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `u64s` multi-valued fast field reader reader associated with `field`, regardless |
| /// of whether the given field is effectively of type `u64` or not. |
| /// |
| /// If `field` is not a u64 multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>u64s_lenient(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<u64>> { |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `i64s` multi-valued fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a i64 multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>i64s(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<i64>> { |
| <span class="self">self</span>.check_type(field, FastType::I64, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `f64s` multi-valued fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a f64 multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>f64s(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<f64>> { |
| <span class="self">self</span>.check_type(field, FastType::F64, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `bools` multi-valued fast field reader reader associated with `field`. |
| /// |
| /// If `field` is not a bool multi-valued fast field, this method returns an Error. |
| </span><span class="kw">pub fn </span>bools(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<bool>> { |
| <span class="self">self</span>.check_type(field, FastType::Bool, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns a `time::OffsetDateTime` multi-valued fast field reader reader associated with |
| /// `field`. |
| /// |
| /// If `field` is not a `time::OffsetDateTime` multi-valued fast field, this method returns an |
| /// Error. |
| </span><span class="kw">pub fn </span>dates(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<MultiValuedFastFieldReader<DateTime>> { |
| <span class="self">self</span>.check_type(field, FastType::Date, Cardinality::MultiValues)<span class="question-mark">?</span>; |
| <span class="self">self</span>.typed_fast_field_multi_reader(field) |
| } |
| |
| <span class="doccomment">/// Returns the `bytes` fast field reader associated with `field`. |
| /// |
| /// If `field` is not a bytes fast field, returns an Error. |
| </span><span class="kw">pub fn </span>bytes(<span class="kw-2">&</span><span class="self">self</span>, field: Field) -> <span class="kw">crate</span>::Result<BytesFastFieldReader> { |
| <span class="kw">let </span>field_entry = <span class="self">self</span>.schema.get_field_entry(field); |
| <span class="kw">if let </span>FieldType::Bytes(bytes_option) = field_entry.field_type() { |
| <span class="kw">if </span>!bytes_option.is_fast() { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(<span class="kw">crate</span>::TantivyError::SchemaError(<span class="macro">format!</span>( |
| <span class="string">"Field {:?} is not a fast field."</span>, |
| field_entry.name() |
| ))); |
| } |
| <span class="kw">let </span>fast_field_idx_file = <span class="self">self</span>.fast_field_data(field, <span class="number">0</span>)<span class="question-mark">?</span>; |
| <span class="kw">let </span>fast_field_idx_bytes = fast_field_idx_file.read_bytes()<span class="question-mark">?</span>; |
| <span class="kw">let </span>idx_reader = open(fast_field_idx_bytes)<span class="question-mark">?</span>; |
| <span class="kw">let </span>data = <span class="self">self</span>.fast_field_data(field, <span class="number">1</span>)<span class="question-mark">?</span>; |
| BytesFastFieldReader::open(idx_reader, data) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(FastFieldNotAvailableError::new(field_entry).into()) |
| } |
| } |
| } |
| </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> |