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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="Nodes of merger’s heap."><title>Node in mito2::memtable::partition_tree::merger - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../../static.files/rustdoc-17e0aaed.css"><meta name="rustdoc-vars" data-root-path="../../../../" data-static-root-path="../../../../static.files/" data-current-crate="mito2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.96.0-nightly (ac7f9ec7d 2026-03-20)" data-channel="nightly" data-search-js="search-63369b7b.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../../static.files/main-5013f961.js"></script><noscript><link rel="stylesheet" href="../../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Node</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Node</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.advance" title="advance">advance</a></li><li><a href="#tymethod.current_item_len" title="current_item_len">current_item_len</a></li><li><a href="#tymethod.is_behind" title="is_behind">is_behind</a></li><li><a href="#tymethod.is_valid" title="is_valid">is_valid</a></li><li><a href="#tymethod.search_key_in_current_item" title="search_key_in_current_item">search_key_in_current_item</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>memtable::<wbr>partition_<wbr>tree::<wbr>merger</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../../index.html">mito2</a>::<wbr><a href="../../index.html">memtable</a>::<wbr><a href="../index.html">partition_tree</a>::<wbr><a href="index.html">merger</a></div><h1>Trait <span class="trait">Node</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#25-44">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Node: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> {
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// Required methods
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fn <a href="#tymethod.is_valid" class="fn">is_valid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.is_behind" class="fn">is_behind</a>(&self, other: &Self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.advance" class="fn">advance</a>(&mut self, len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="type" href="../../../error/type.Result.html" title="type mito2::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>>;
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<span class="item-spacer"></span> fn <a href="#tymethod.current_item_len" class="fn">current_item_len</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.search_key_in_current_item" class="fn">search_key_in_current_item</a>(&self, other: &Self) -> <a class="type" href="../../../error/type.Result.html" title="type mito2::error::Result">Result</a><<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.usize.html">usize</a>>;
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Nodes of merger’s heap.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.is_valid" class="method"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#27">Source</a><h4 class="code-header">fn <a href="#tymethod.is_valid" class="fn">is_valid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if current node is not exhausted.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.is_behind" class="method"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#30">Source</a><h4 class="code-header">fn <a href="#tymethod.is_behind" class="fn">is_behind</a>(&self, other: &Self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Whether the other node is behind (exclusive) current node.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.advance" class="method"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#37">Source</a><h4 class="code-header">fn <a href="#tymethod.advance" class="fn">advance</a>(&mut self, len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="type" href="../../../error/type.Result.html" title="type mito2::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></h4></section></summary><div class="docblock"><p>Advances <code>len</code> rows from current batch. If current batch is empty it fetches
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next batch from the node.</p>
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<h5 id="panics"><a class="doc-anchor" href="#panics">§</a>Panics</h5>
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<p>If the node is invalid.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.current_item_len" class="method"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#40">Source</a><h4 class="code-header">fn <a href="#tymethod.current_item_len" class="fn">current_item_len</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Length of current item.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.search_key_in_current_item" class="method"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#43">Source</a><h4 class="code-header">fn <a href="#tymethod.search_key_in_current_item" class="fn">search_key_in_current_item</a>(&self, other: &Self) -> <a class="type" href="../../../error/type.Result.html" title="type mito2::error::Result">Result</a><<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.usize.html">usize</a>></h4></section></summary><div class="docblock"><p>Searches first key of <code>other</code> in current item and returns the index.</p>
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</div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/nightly/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><div class="negative-marker"></div><section id="impl-Node-for-ShardNode" class="impl"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/shard.rs.html#403-426">Source</a><a href="#impl-Node-for-ShardNode" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Node.html" title="trait mito2::memtable::partition_tree::merger::Node">Node</a> for <a class="struct" href="../shard/struct.ShardNode.html" title="struct mito2::memtable::partition_tree::shard::ShardNode">ShardNode</a></h3></section><section id="impl-Node-for-DataNode" class="impl"><a class="src rightside" href="../../../../src/mito2/memtable/partition_tree/merger.rs.html#249-292">Source</a><a href="#impl-Node-for-DataNode" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Node.html" title="trait mito2::memtable::partition_tree::merger::Node">Node</a> for <a class="struct" href="struct.DataNode.html" title="struct mito2::memtable::partition_tree::merger::DataNode">DataNode</a></h3></section></div><script src="../../../../trait.impl/mito2/memtable/partition_tree/merger/trait.Node.js" async></script></section></div></main></body></html> |