<!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="Builder for `DictionaryArray` of `LargeStringArray`"><title>LargeStringDictionaryBuilder in arrow_array::builder - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="arrow_array" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (ada5e2c7b 2024-05-31)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc type"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../arrow_array/index.html">arrow_array</a><span class="version">51.0.0</span></h2></div><h2 class="location"><a href="#">LargeStringDictionaryBuilder</a></h2><div class="sidebar-elems"><section><h3><a href="#aliased-type">Aliased type</a></h3><h3><a href="#fields">Fields</a></h3><ul class="block field"><li><a href="#structfield.dedup">dedup</a></li><li><a href="#structfield.keys_builder">keys_builder</a></li><li><a href="#structfield.state">state</a></li><li><a href="#structfield.values_builder">values_builder</a></li></ul></section><h2><a href="index.html">In arrow_array::builder</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Type Alias <a href="../index.html">arrow_array</a>::<wbr><a href="index.html">builder</a>::<wbr><a class="type" href="#">LargeStringDictionaryBuilder</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../src/arrow_array/builder/generic_bytes_dictionary_builder.rs.html#366">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub type LargeStringDictionaryBuilder&lt;K&gt; = <a class="struct" href="generic_bytes_dictionary_builder/struct.GenericByteDictionaryBuilder.html" title="struct arrow_array::builder::generic_bytes_dictionary_builder::GenericByteDictionaryBuilder">GenericByteDictionaryBuilder</a>&lt;K, <a class="struct" href="../types/struct.GenericStringType.html" title="struct arrow_array::types::GenericStringType">GenericStringType</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Builder for <a href="../array/dictionary_array/struct.DictionaryArray.html" title="struct arrow_array::array::dictionary_array::DictionaryArray"><code>DictionaryArray</code></a> of <a href="../array/string_array/type.LargeStringArray.html" title="type arrow_array::array::string_array::LargeStringArray"><code>LargeStringArray</code></a></p>
</div></details><h2 id="aliased-type" class="section-header">Aliased Type<a href="#aliased-type" class="anchor">§</a></h2><pre class="rust item-decl"><code>struct LargeStringDictionaryBuilder&lt;K&gt; {
    state: RandomState,
    dedup: HashMap&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;,
    keys_builder: <a class="struct" href="primitive_builder/struct.PrimitiveBuilder.html" title="struct arrow_array::builder::primitive_builder::PrimitiveBuilder">PrimitiveBuilder</a>&lt;K&gt;,
    values_builder: <a class="struct" href="generic_bytes_builder/struct.GenericByteBuilder.html" title="struct arrow_array::builder::generic_bytes_builder::GenericByteBuilder">GenericByteBuilder</a>&lt;<a class="struct" href="../types/struct.GenericStringType.html" title="struct arrow_array::types::GenericStringType">GenericStringType</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;,
}</code></pre><h2 id="fields" class="fields section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.state" class="structfield section-header"><a href="#structfield.state" class="anchor field">§</a><code>state: RandomState</code></span><span id="structfield.dedup" class="structfield section-header"><a href="#structfield.dedup" class="anchor field">§</a><code>dedup: HashMap&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt;</code></span><div class="docblock"><p>Used to provide a lookup from string value to key type</p>
<p>Note: usize’s hash implementation is not used, instead the raw entry
API is used to store keys w.r.t the hash of the strings themselves</p>
</div><span id="structfield.keys_builder" class="structfield section-header"><a href="#structfield.keys_builder" class="anchor field">§</a><code>keys_builder: <a class="struct" href="primitive_builder/struct.PrimitiveBuilder.html" title="struct arrow_array::builder::primitive_builder::PrimitiveBuilder">PrimitiveBuilder</a>&lt;K&gt;</code></span><span id="structfield.values_builder" class="structfield section-header"><a href="#structfield.values_builder" class="anchor field">§</a><code>values_builder: <a class="struct" href="generic_bytes_builder/struct.GenericByteBuilder.html" title="struct arrow_array::builder::generic_bytes_builder::GenericByteBuilder">GenericByteBuilder</a>&lt;<a class="struct" href="../types/struct.GenericStringType.html" title="struct arrow_array::types::GenericStringType">GenericStringType</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;</code></span><script src="../../type.impl/arrow_array/builder/generic_bytes_dictionary_builder/struct.GenericByteDictionaryBuilder.js" data-self-path="arrow_array::builder::generic_bytes_dictionary_builder::LargeStringDictionaryBuilder" async></script></section></div></main></body></html>