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mito2/engine/constant.MITO_ENGINE_NAME.html Normal file
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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="API documentation for the Rust `MITO_ENGINE_NAME` constant in crate `mito2`."><title>MITO_ENGINE_NAME in mito2::engine - 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 constant"><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="#">MITO_ENGINE_NAME</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Constant <span class="constant">MITO_<wbr>ENGINE_<wbr>NAME</span>&nbsp;<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/engine.rs.html#163">Source</a> </span></div><pre class="rust item-decl"><code>pub const MITO_ENGINE_NAME: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> = &quot;mito&quot;;</code></pre></section></div></main></body></html>

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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="Check whether the region edit is valid."><title>is_valid_region_edit in mito2::engine - 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 fn"><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="#">is_valid_region_edit</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Function <span class="fn">is_<wbr>valid_<wbr>region_<wbr>edit</span>&nbsp;<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/engine.rs.html#700-714">Source</a> </span></div><pre class="rust item-decl"><code>fn is_valid_region_edit(edit: &amp;<a class="struct" href="../manifest/action/struct.RegionEdit.html" title="struct mito2::manifest::action::RegionEdit">RegionEdit</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Check whether the region edit is valid.</p>
<p>Only adding or removing files to region is considered valid now.</p>
</div></details></section></div></main></body></html>

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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="API documentation for the Rust `map_batch_responses` fn in crate `mito2`."><title>map_batch_responses in mito2::engine - 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 fn"><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="#">map_batch_responses</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Function <span class="fn">map_<wbr>batch_<wbr>responses</span>&nbsp;<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/engine.rs.html#1172-1182">Source</a> </span></div><pre class="rust item-decl"><code>fn map_batch_responses(
responses: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;(RegionId, <a class="type" href="../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;AffectedRows&gt;)&gt;,
) -&gt; BatchResponses</code></pre></section></div></main></body></html>

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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="Returns requests(TopicGroupedRegionOpenRequests) grouped by topic and remaining requests."><title>prepare_batch_open_requests in mito2::engine - 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 fn"><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="#">prepare_batch_open_requests</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Function <span class="fn">prepare_<wbr>batch_<wbr>open_<wbr>requests</span>&nbsp;<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/engine.rs.html#733-756">Source</a> </span></div><pre class="rust item-decl"><code>fn prepare_batch_open_requests(
requests: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;(RegionId, RegionOpenRequest)&gt;,
) -&gt; <a class="type" href="../error/type.Result.html" title="type mito2::error::Result">Result</a>&lt;(<a class="struct" href="https://doc.rust-lang.org/nightly/std/collections/hash/map/struct.HashMap.html" title="struct std::collections::hash::map::HashMap">HashMap</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;(RegionId, RegionOpenRequest)&gt;&gt;, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;(RegionId, RegionOpenRequest)&gt;)&gt;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Returns requests(<a href="type.TopicGroupedRegionOpenRequests.html" title="type mito2::engine::TopicGroupedRegionOpenRequests">TopicGroupedRegionOpenRequests</a>) grouped by topic and remaining requests.</p>
</div></details></section></div></main></body></html>

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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="Mito region engine."><title>mito2::engine - 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 mod"><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="#">Module engine</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module engine</a></h2><h3><a href="#modules">Module Items</a></h3><ul class="block"><li><a href="#modules" title="Modules">Modules</a></li><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#constants" title="Constants">Constants</a></li><li><a href="#functions" title="Functions">Functions</a></li><li><a href="#types" title="Type Aliases">Type Aliases</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate mito2</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></div><h1>Module <span>engine</span>&nbsp;<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/engine.rs.html#15-1556">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Mito region engine.</p>
</div></details><h2 id="modules" class="section-header">Modules<a href="#modules" class="anchor">§</a></h2><dl class="item-table"><dt><a class="mod" href="puffin_index/index.html" title="mod mito2::engine::puffin_index">puffin_<wbr>index</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="region_hook/index.html" title="mod mito2::engine::region_hook">region_<wbr>hook</a></dt><dd>Region hook extension point for observing SST writes and manifest mutations.</dd></dl><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.EngineInner.html" title="struct mito2::engine::EngineInner">Engine<wbr>Inner</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>Inner struct of <a href="struct.MitoEngine.html" title="struct mito2::engine::MitoEngine">MitoEngine</a>.</dd><dt><a class="struct" href="struct.MitoEngine.html" title="struct mito2::engine::MitoEngine">Mito<wbr>Engine</a></dt><dd>Region engine implementation for timeseries data.</dd><dt><a class="struct" href="struct.MitoEngineBuilder.html" title="struct mito2::engine::MitoEngineBuilder">Mito<wbr>Engine<wbr>Builder</a></dt></dl><h2 id="constants" class="section-header">Constants<a href="#constants" class="anchor">§</a></h2><dl class="item-table"><dt><a class="constant" href="constant.MITO_ENGINE_NAME.html" title="constant mito2::engine::MITO_ENGINE_NAME">MITO_<wbr>ENGINE_<wbr>NAME</a></dt></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.is_valid_region_edit.html" title="fn mito2::engine::is_valid_region_edit">is_<wbr>valid_<wbr>region_<wbr>edit</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>Check whether the region edit is valid.</dd><dt><a class="fn" href="fn.map_batch_responses.html" title="fn mito2::engine::map_batch_responses">map_<wbr>batch_<wbr>responses</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.prepare_batch_open_requests.html" title="fn mito2::engine::prepare_batch_open_requests">prepare_<wbr>batch_<wbr>open_<wbr>requests</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>Returns requests(<a href="type.TopicGroupedRegionOpenRequests.html" title="type mito2::engine::TopicGroupedRegionOpenRequests">TopicGroupedRegionOpenRequests</a>) grouped by topic and remaining requests.</dd></dl><h2 id="types" class="section-header">Type Aliases<a href="#types" class="anchor">§</a></h2><dl class="item-table"><dt><a class="type" href="type.TopicGroupedRegionOpenRequests.html" title="type mito2::engine::TopicGroupedRegionOpenRequests">Topic<wbr>Grouped<wbr>Region<wbr>Open<wbr>Requests</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl></section></div></main></body></html>

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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="API documentation for the Rust `TARGET_TYPE_COLUMN` constant in crate `mito2`."><title>TARGET_TYPE_COLUMN in mito2::engine::puffin_index - 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 constant"><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="#">TARGET_TYPE_COLUMN</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Constant <span class="constant">TARGET_<wbr>TYPE_<wbr>COLUMN</span>&nbsp;<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/engine/puffin_index.rs.html#49">Source</a> </span></div><pre class="rust item-decl"><code>const TARGET_TYPE_COLUMN: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> = &quot;column&quot;;</code></pre></section></div></main></body></html>

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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="API documentation for the Rust `TARGET_TYPE_UNKNOWN` constant in crate `mito2`."><title>TARGET_TYPE_UNKNOWN in mito2::engine::puffin_index - 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 constant"><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="#">TARGET_TYPE_UNKNOWN</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Constant <span class="constant">TARGET_<wbr>TYPE_<wbr>UNKNOWN</span>&nbsp;<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/engine/puffin_index.rs.html#47">Source</a> </span></div><pre class="rust item-decl"><code>const TARGET_TYPE_UNKNOWN: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> = &quot;unknown&quot;;</code></pre></section></div></main></body></html>

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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="API documentation for the Rust `bloom_meta_value` fn in crate `mito2`."><title>bloom_meta_value in mito2::engine::puffin_index - 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 fn"><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="#">bloom_meta_value</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">bloom_<wbr>meta_<wbr>value</span>&nbsp;<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/engine/puffin_index.rs.html#385-392">Source</a> </span></div><pre class="rust item-decl"><code>fn bloom_meta_value(meta: &amp;BloomFilterMeta) -&gt; <a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a></code></pre></section></div></main></body></html>

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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="API documentation for the Rust `build_index_entry` fn in crate `mito2`."><title>build_index_entry in mito2::engine::puffin_index - 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 fn"><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="#">build_index_entry</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">build_<wbr>index_<wbr>entry</span>&nbsp;<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/engine/puffin_index.rs.html#475-502">Source</a> </span></div><pre class="rust item-decl"><code>fn build_index_entry(
context: &amp;<a class="struct" href="struct.IndexEntryContext.html" title="struct mito2::engine::puffin_index::IndexEntryContext">IndexEntryContext</a>&lt;'_&gt;,
index_type: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>,
target_type: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>,
target_key: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>,
target_json: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>,
blob_size: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>,
meta_json: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;,
) -&gt; PuffinIndexMetaEntry</code></pre></section></div></main></body></html>

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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="API documentation for the Rust `build_inverted_entries` fn in crate `mito2`."><title>build_inverted_entries in mito2::engine::puffin_index - 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 fn"><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="#">build_inverted_entries</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">build_<wbr>inverted_<wbr>entries</span>&nbsp;<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/engine/puffin_index.rs.html#266-287">Source</a> </span></div><pre class="rust item-decl"><code>fn build_inverted_entries(
context: &amp;<a class="struct" href="struct.IndexEntryContext.html" title="struct mito2::engine::puffin_index::IndexEntryContext">IndexEntryContext</a>&lt;'_&gt;,
metas: &amp;InvertedIndexMetas,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;PuffinIndexMetaEntry&gt;</code></pre></section></div></main></body></html>

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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="API documentation for the Rust `build_meta_json` fn in crate `mito2`."><title>build_meta_json in mito2::engine::puffin_index - 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 fn"><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="#">build_meta_json</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">build_<wbr>meta_<wbr>json</span>&nbsp;<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/engine/puffin_index.rs.html#419-439">Source</a> </span></div><pre class="rust item-decl"><code>fn build_meta_json(
bloom: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a>&gt;,
fulltext: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a>&gt;,
inverted: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a>&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;</code></pre></section></div></main></body></html>

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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="Collect index metadata entries present in the SST puffin file."><title>collect_index_entries_from_puffin in mito2::engine::puffin_index - 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 fn"><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="#">collect_index_entries_from_puffin</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">collect_<wbr>index_<wbr>entries_<wbr>from_<wbr>puffin</span>&nbsp;<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/engine/puffin_index.rs.html#65-185">Source</a> </span></div><pre class="rust item-decl"><code>pub(crate) async fn collect_index_entries_from_puffin(
manager: <a class="struct" href="../../../puffin/puffin_manager/fs_puffin_manager/struct.FsPuffinManager.html" title="struct puffin::puffin_manager::fs_puffin_manager::FsPuffinManager">FsPuffinManager</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../../puffin/puffin_manager/stager/bounded_stager/struct.BoundedStager.html" title="struct puffin::puffin_manager::stager::bounded_stager::BoundedStager">BoundedStager</a>&lt;<a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>&gt;&gt;, <a class="struct" href="../../sst/index/puffin_manager/struct.ObjectStorePuffinFileAccessor.html" title="struct mito2::sst::index::puffin_manager::ObjectStorePuffinFileAccessor">ObjectStorePuffinFileAccessor</a>&gt;,
region_index_id: <a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>,
context: <a class="struct" href="struct.IndexEntryContext.html" title="struct mito2::engine::puffin_index::IndexEntryContext">IndexEntryContext</a>&lt;'_&gt;,
bloom_filter_cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../cache/index/struct.IndexCache.html" title="struct mito2::cache::index::IndexCache">IndexCache</a>&lt;(FileId, IndexVersion, ColumnId, <a class="enum" href="../../cache/index/bloom_filter_index/enum.Tag.html" title="enum mito2::cache::index::bloom_filter_index::Tag">Tag</a>), BloomFilterMeta&gt;&gt;&gt;,
inverted_index_cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../cache/index/struct.IndexCache.html" title="struct mito2::cache::index::IndexCache">IndexCache</a>&lt;(FileId, IndexVersion), InvertedIndexMetas&gt;&gt;&gt;,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;PuffinIndexMetaEntry&gt;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Collect index metadata entries present in the SST puffin file.</p>
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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="API documentation for the Rust `collect_inverted_entries` fn in crate `mito2`."><title>collect_inverted_entries in mito2::engine::puffin_index - 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 fn"><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="#">collect_inverted_entries</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">collect_<wbr>inverted_<wbr>entries</span>&nbsp;<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/engine/puffin_index.rs.html#187-264">Source</a> </span></div><pre class="rust item-decl"><code>async fn collect_inverted_entries(
reader: &amp;&lt;<a class="struct" href="../../../puffin/puffin_manager/fs_puffin_manager/struct.FsPuffinManager.html" title="struct puffin::puffin_manager::fs_puffin_manager::FsPuffinManager">FsPuffinManager</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../../puffin/puffin_manager/stager/bounded_stager/struct.BoundedStager.html" title="struct puffin::puffin_manager::stager::bounded_stager::BoundedStager">BoundedStager</a>&lt;<a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>&gt;&gt;, <a class="struct" href="../../sst/index/puffin_manager/struct.ObjectStorePuffinFileAccessor.html" title="struct mito2::sst::index::puffin_manager::ObjectStorePuffinFileAccessor">ObjectStorePuffinFileAccessor</a>&gt; as <a class="trait" href="../../../puffin/puffin_manager/trait.PuffinManager.html" title="trait puffin::puffin_manager::PuffinManager">PuffinManager</a>&gt;::<a class="associatedtype" href="../../../puffin/puffin_manager/trait.PuffinManager.html#associatedtype.Reader" title="type puffin::puffin_manager::PuffinManager::Reader">Reader</a>,
region_index_id: <a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>,
cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../cache/index/struct.IndexCache.html" title="struct mito2::cache::index::IndexCache">IndexCache</a>&lt;(FileId, IndexVersion), InvertedIndexMetas&gt;&gt;&gt;,
context: &amp;<a class="struct" href="struct.IndexEntryContext.html" title="struct mito2::engine::puffin_index::IndexEntryContext">IndexEntryContext</a>&lt;'_&gt;,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;PuffinIndexMetaEntry&gt;</code></pre></section></div></main></body></html>

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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="API documentation for the Rust `decode_column_id` fn in crate `mito2`."><title>decode_column_id in mito2::engine::puffin_index - 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 fn"><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="#">decode_column_id</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">decode_<wbr>column_<wbr>id</span>&nbsp;<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/engine/puffin_index.rs.html#378-383">Source</a> </span></div><pre class="rust item-decl"><code>fn decode_column_id(target_key: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;ColumnId&gt;</code></pre></section></div></main></body></html>

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mito2/engine/puffin_index/fn.decode_target_info.html Normal file
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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="API documentation for the Rust `decode_target_info` fn in crate `mito2`."><title>decode_target_info in mito2::engine::puffin_index - 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 fn"><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="#">decode_target_info</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">decode_<wbr>target_<wbr>info</span>&nbsp;<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/engine/puffin_index.rs.html#365-376">Source</a> </span></div><pre class="rust item-decl"><code>fn decode_target_info(target_key: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -&gt; (<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></pre></section></div></main></body></html>

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mito2/engine/puffin_index/fn.fulltext_meta_value.html Normal file
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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="API documentation for the Rust `fulltext_meta_value` fn in crate `mito2`."><title>fulltext_meta_value in mito2::engine::puffin_index - 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 fn"><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="#">fulltext_meta_value</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">fulltext_<wbr>meta_<wbr>value</span>&nbsp;<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/engine/puffin_index.rs.html#394-400">Source</a> </span></div><pre class="rust item-decl"><code>fn fulltext_meta_value(blob: &amp;<a class="struct" href="../../../puffin/blob_metadata/struct.BlobMetadata.html" title="struct puffin::blob_metadata::BlobMetadata">BlobMetadata</a>) -&gt; <a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a></code></pre></section></div></main></body></html>

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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="API documentation for the Rust `inverted_meta_value` fn in crate `mito2`."><title>inverted_meta_value in mito2::engine::puffin_index - 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 fn"><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="#">inverted_meta_value</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">inverted_<wbr>meta_<wbr>value</span>&nbsp;<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/engine/puffin_index.rs.html#402-417">Source</a> </span></div><pre class="rust item-decl"><code>fn inverted_meta_value(
meta: &amp;InvertedIndexMeta,
metas: &amp;InvertedIndexMetas,
) -&gt; <a class="enum" href="https://docs.rs/serde_json/1.0.149/serde_json/value/enum.Value.html" title="enum serde_json::value::Value">Value</a></code></pre></section></div></main></body></html>

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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="API documentation for the Rust `try_read_bloom_meta` fn in crate `mito2`."><title>try_read_bloom_meta in mito2::engine::puffin_index - 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 fn"><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="#">try_read_bloom_meta</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>puffin_<wbr>index</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">engine</a>::<wbr><a href="index.html">puffin_index</a></div><h1>Function <span class="fn">try_<wbr>read_<wbr>bloom_<wbr>meta</span>&nbsp;<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/engine/puffin_index.rs.html#289-363">Source</a> </span></div><pre class="rust item-decl"><code>async fn try_read_bloom_meta(
reader: &amp;&lt;<a class="struct" href="../../../puffin/puffin_manager/fs_puffin_manager/struct.FsPuffinManager.html" title="struct puffin::puffin_manager::fs_puffin_manager::FsPuffinManager">FsPuffinManager</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../../puffin/puffin_manager/stager/bounded_stager/struct.BoundedStager.html" title="struct puffin::puffin_manager::stager::bounded_stager::BoundedStager">BoundedStager</a>&lt;<a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>&gt;&gt;, <a class="struct" href="../../sst/index/puffin_manager/struct.ObjectStorePuffinFileAccessor.html" title="struct mito2::sst::index::puffin_manager::ObjectStorePuffinFileAccessor">ObjectStorePuffinFileAccessor</a>&gt; as <a class="trait" href="../../../puffin/puffin_manager/trait.PuffinManager.html" title="trait puffin::puffin_manager::PuffinManager">PuffinManager</a>&gt;::<a class="associatedtype" href="../../../puffin/puffin_manager/trait.PuffinManager.html#associatedtype.Reader" title="type puffin::puffin_manager::PuffinManager::Reader">Reader</a>,
region_index_id: <a class="struct" href="../../sst/file/struct.RegionIndexId.html" title="struct mito2::sst::file::RegionIndexId">RegionIndexId</a>,
blob_type: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>,
target_key: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>,
cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="../../cache/index/struct.IndexCache.html" title="struct mito2::cache::index::IndexCache">IndexCache</a>&lt;(FileId, IndexVersion, ColumnId, <a class="enum" href="../../cache/index/bloom_filter_index/enum.Tag.html" title="enum mito2::cache::index::bloom_filter_index::Tag">Tag</a>), BloomFilterMeta&gt;&gt;&gt;,
tag: <a class="enum" href="../../cache/index/bloom_filter_index/enum.Tag.html" title="enum mito2::cache::index::bloom_filter_index::Tag">Tag</a>,
context: &amp;<a class="struct" href="struct.IndexEntryContext.html" title="struct mito2::engine::puffin_index::IndexEntryContext">IndexEntryContext</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;BloomFilterMeta&gt;</code></pre></section></div></main></body></html>

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window.SIDEBAR_ITEMS = {"constant":["TARGET_TYPE_COLUMN","TARGET_TYPE_UNKNOWN"],"enum":["BlobIndexTypeTargetKey"],"fn":["bloom_meta_value","build_index_entry","build_inverted_entries","build_meta_json","collect_index_entries_from_puffin","collect_inverted_entries","decode_column_id","decode_target_info","fulltext_meta_value","inverted_meta_value","try_read_bloom_meta"],"struct":["IndexEntryContext"]};

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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="Region hook extension point for observing SST writes and manifest mutations."><title>mito2::engine::region_hook - 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 mod"><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="#">Module region_hook</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module region_<wbr>hook</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#design" title="Design">Design</a></li><li><a href="#coverage" title="Coverage">Coverage</a></li><li><a href="#invocation-points" title="Invocation points">Invocation points</a></li><li><a href="#future-work" title="Future work">Future work</a></li></ul><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#traits" title="Traits">Traits</a></li><li><a href="#types" title="Type Aliases">Type Aliases</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Module <span>region_<wbr>hook</span>&nbsp;<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/engine/region_hook.rs.html#15-221">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Region hook extension point for observing SST writes and manifest mutations.</p>
<h3 id="design"><a class="doc-anchor" href="#design">§</a>Design</h3>
<p>The <a href="trait.RegionHook.html" title="trait mito2::engine::region_hook::RegionHook"><code>RegionHook</code></a> trait provides two methods with clear separation of concerns:</p>
<ul>
<li>
<p><a href="trait.RegionHook.html#method.on_sst_files_written" title="method mito2::engine::region_hook::RegionHook::on_sst_files_written"><code>on_sst_files_written</code></a>: Fires when mito2 physically writes SST <strong>data files</strong>.
Provides per-file <a href="../../sst/parquet/struct.SstInfo.html" title="struct mito2::sst::parquet::SstInfo"><code>SstInfo</code></a> + <a href="../../sst/file/struct.FileMeta.html" title="struct mito2::sst::file::FileMeta"><code>FileMeta</code></a> — the richest available metadata
(row counts, index metadata, Parquet metadata, etc.).</p>
</li>
<li>
<p><a href="trait.RegionHook.html#method.on_manifest_updated" title="method mito2::engine::region_hook::RegionHook::on_manifest_updated"><code>on_manifest_updated</code></a>: Fires after <strong>any</strong> manifest write is successfully committed.
Receives the full <a href="../../manifest/action/struct.RegionMetaActionList.html" title="struct mito2::manifest::action::RegionMetaActionList"><code>RegionMetaActionList</code></a> so consumers can inspect what changed
(file additions/removals, schema changes, truncation, partition expression changes, etc.).</p>
</li>
</ul>
<p>Hook implementations are registered via the <a href="common_base::Plugins"><code>Plugins</code></a> system:</p>
<div class="example-wrap ignore"><a href="#" class="tooltip" title="This example is not tested">ⓘ</a><pre class="rust rust-example-rendered"><code>plugins.insert(Arc::new(MyHook) <span class="kw">as </span>RegionHookRef);</code></pre></div><h3 id="coverage"><a class="doc-anchor" href="#coverage">§</a>Coverage</h3><div><table><thead><tr><th>Scenario</th><th style="text-align: center"><code>on_sst_files_written</code></th><th style="text-align: center"><code>on_manifest_updated</code></th></tr></thead><tbody>
<tr><td>Flush (memtable → SST)</td><td style="text-align: center">✅ Yes</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Local compaction</td><td style="text-align: center">✅ Yes</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Remote compaction</td><td style="text-align: center">✅ (compactor node) ¹</td><td style="text-align: center">✅ (compactor node) ¹</td></tr>
<tr><td>RegionEdit / bulk ingestion</td><td style="text-align: center">❌ (files pre-written)</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Copy region</td><td style="text-align: center">❌ (object-store copy)</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Apply staging</td><td style="text-align: center">❌ (delegates to edit)</td><td style="text-align: center">✅ Yes ²</td></tr>
<tr><td>Alter (schema change)</td><td style="text-align: center">❌ (no SST files)</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Truncate</td><td style="text-align: center">❌ (removes files)</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Enter staging</td><td style="text-align: center">❌ (no SST files)</td><td style="text-align: center">✅ Yes</td></tr>
<tr><td>Async index build</td><td style="text-align: center">❌ (index files only)</td><td style="text-align: center">✅ Yes</td></tr>
</tbody></table>
</div>
<p>¹ Remote compaction runs on a dedicated compactor node via <code>open_compaction_region()</code>.
The caller must pass plugins via <code>OpenCompactionRegionRequest</code> to enable hooks on the
compactor node.
² Apply staging fires <code>on_manifest_updated</code> twice: once when the staging SST files are
committed via <code>RegionEdit</code>, and once when <code>exit_staging_on_success</code> merges all staged
manifest actions into the live manifest.</p>
<p>The following paths do <strong>not</strong> trigger any hook:</p>
<ul>
<li>Follower region sync / catchup (manifest read-only; followers don’t author changes)</li>
<li>GC / checkpoint / drop / remap (internal bookkeeping, not logical state changes)</li>
</ul>
<h3 id="invocation-points"><a class="doc-anchor" href="#invocation-points">§</a>Invocation points</h3>
<p><code>on_sst_files_written</code> is invoked at the SST write site (flush task or compaction task),
immediately after SST files are written but <strong>before</strong> the manifest is committed.</p>
<p><code>on_manifest_updated</code> is funneled through <a href="../../region/struct.ManifestContext.html#method.update_locked" title="method mito2::region::ManifestContext::update_locked"><code>ManifestContext::update_locked</code></a>,
the sole caller of the low-level <a href="../../manifest/manager/struct.RegionManifestManager.html#method.update" title="method mito2::manifest::manager::RegionManifestManager::update"><code>RegionManifestManager::update</code></a>, which
packages each successful write into a <a href="struct.PendingManifestHook.html" title="struct mito2::engine::region_hook::PendingManifestHook"><code>PendingManifestHook</code></a>. The caller
owns the write lock, drops it, and <em>then</em> fires the receipt — the hook must
never run under the lock. <a href="../../region/struct.ManifestContext.html#method.update_manifest" title="method mito2::region::ManifestContext::update_manifest"><code>ManifestContext::update_manifest</code></a> is the common
case: it acquires the lock, delegates to <code>update_locked</code>, and fires the
receipt in one go. Multi-step sequences (staging-exit, role-state backfill)
call <code>update_locked</code> directly under their own held guard.</p>
<p>Non-logical writes (GC, staging bookkeeping) call the manager’s own methods
directly and intentionally do not fire the hook.</p>
<h3 id="future-work"><a class="doc-anchor" href="#future-work">§</a>Future work</h3>
<p>A future <code>on_files_removed</code> hook may be added to observe file lifecycle end
(GC, drop, truncate, compaction removal). This is not yet implemented.</p>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.PendingManifestHook.html" title="struct mito2::engine::region_hook::PendingManifestHook">Pending<wbr>Manifest<wbr>Hook</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>A deferred <a href="trait.RegionHook.html#method.on_manifest_updated" title="method mito2::engine::region_hook::RegionHook::on_manifest_updated"><code>RegionHook::on_manifest_updated</code></a> notification produced by a
logical manifest write via <a href="../../region/struct.ManifestContext.html#method.update_locked" title="method mito2::region::ManifestContext::update_locked"><code>ManifestContext::update_locked</code></a>.</dd><dt><a class="struct" href="struct.SstFileInfo.html" title="struct mito2::engine::region_hook::SstFileInfo">SstFile<wbr>Info</a></dt><dd>Information about a single SST data file written during flush or compaction.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.RegionHook.html" title="trait mito2::engine::region_hook::RegionHook">Region<wbr>Hook</a></dt><dd>Hook for observing region mutations in mito2.</dd></dl><h2 id="types" class="section-header">Type Aliases<a href="#types" class="anchor">§</a></h2><dl class="item-table"><dt><a class="type" href="type.RegionHookRef.html" title="type mito2::engine::region_hook::RegionHookRef">Region<wbr>Hook<wbr>Ref</a></dt></dl></section></div></main></body></html>

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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="Hook for observing region mutations in mito2."><title>RegionHook in mito2::engine::region_hook - 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="#">RegionHook</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Region<wbr>Hook</a></h2><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.on_manifest_updated" title="on_manifest_updated">on_manifest_updated</a></li><li><a href="#method.on_sst_files_written" title="on_sst_files_written">on_sst_files_written</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>region_<wbr>hook</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">engine</a>::<wbr><a href="index.html">region_hook</a></div><h1>Trait <span class="trait">Region<wbr>Hook</span>&nbsp;<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/engine/region_hook.rs.html#187-219">Source</a> </span></div><pre class="rust item-decl"><code>pub trait RegionHook:
<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>
+ <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>
+ <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> {
// Provided methods
fn <a href="#method.on_sst_files_written" class="fn">on_sst_files_written</a>&lt;'life0, 'life1, 'life2, 'life3, 'async_trait&gt;(
&amp;'life0 self,
region_id: RegionId,
region_metadata: &amp;'life1 RegionMetadataRef,
files: &amp;'life2 [<a class="struct" href="struct.SstFileInfo.html" title="struct mito2::engine::region_hook::SstFileInfo">SstFileInfo</a>&lt;'life3&gt;],
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;
<span class="where">where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait</span> { ... }
<span class="item-spacer"></span> fn <a href="#method.on_manifest_updated" class="fn">on_manifest_updated</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
region_id: RegionId,
action_list: &amp;'life1 <a class="struct" href="../../manifest/action/struct.RegionMetaActionList.html" title="struct mito2::manifest::action::RegionMetaActionList">RegionMetaActionList</a>,
manifest_version: ManifestVersion,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;
<span class="where">where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait</span> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Hook for observing region mutations in mito2.</p>
<p>Implementations can be registered via the <code>Plugins</code> system:</p>
<div class="example-wrap ignore"><a href="#" class="tooltip" title="This example is not tested">ⓘ</a><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::sync::Arc;
<span class="kw">use </span>common_base::Plugins;
<span class="kw">use </span>mito2::engine::region_hook::{RegionHook, RegionHookRef};
plugins.insert(Arc::new(MyHook) <span class="kw">as </span>RegionHookRef);</code></pre></div></div></details><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.on_sst_files_written" class="method"><a class="src rightside" href="../../../src/mito2/engine/region_hook.rs.html#193-200">Source</a><h4 class="code-header">fn <a href="#method.on_sst_files_written" class="fn">on_sst_files_written</a>&lt;'life0, 'life1, 'life2, 'life3, 'async_trait&gt;(
&amp;'life0 self,
region_id: RegionId,
region_metadata: &amp;'life1 RegionMetadataRef,
files: &amp;'life2 [<a class="struct" href="struct.SstFileInfo.html" title="struct mito2::engine::region_hook::SstFileInfo">SstFileInfo</a>&lt;'life3&gt;],
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;<div class="where">where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait,</div></h4></section></summary><div class="docblock"><p>Called after SST <strong>data files</strong> are physically written, before manifest commit.</p>
<p>This fires only when mito2 itself writes SST files (flush and compaction).
It does <strong>not</strong> fire when SST files are pre-written externally (bulk ingestion,
copy region) or when only index files are written (async index build).</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.on_manifest_updated" class="method"><a class="src rightside" href="../../../src/mito2/engine/region_hook.rs.html#211-218">Source</a><h4 class="code-header">fn <a href="#method.on_manifest_updated" class="fn">on_manifest_updated</a>&lt;'life0, 'life1, 'async_trait&gt;(
&amp;'life0 self,
region_id: RegionId,
action_list: &amp;'life1 <a class="struct" href="../../manifest/action/struct.RegionMetaActionList.html" title="struct mito2::manifest::action::RegionMetaActionList">RegionMetaActionList</a>,
manifest_version: ManifestVersion,
) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait&gt;&gt;<div class="where">where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,</div></h4></section></summary><div class="docblock"><p>Called after the region manifest is successfully committed.</p>
<p>Fires for <strong>all</strong> manifest write paths: flush, compaction, region edit,
copy region, alter, truncate, enter staging, index build, etc.</p>
<p>Does <strong>not</strong> fire for:</p>
<ul>
<li>Manifest reads / follower sync (no write)</li>
<li>GC / checkpoint (internal bookkeeping)</li>
<li>Failed manifest updates</li>
</ul>
</div></details></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../../trait.impl/mito2/engine/region_hook/trait.RegionHook.js" async></script></section></div></main></body></html>

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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="API documentation for the Rust `RegionHookRef` type in crate `mito2`."><title>RegionHookRef in mito2::engine::region_hook - 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 type"><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="#">RegionHookRef</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Region<wbr>Hook<wbr>Ref</a></h2><h3><a href="#aliased-type">Aliased Type</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine::<wbr>region_<wbr>hook</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">engine</a>::<wbr><a href="index.html">region_hook</a></div><h1>Type Alias <span class="type">Region<wbr>Hook<wbr>Ref</span>&nbsp;<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/engine/region_hook.rs.html#221">Source</a> </span></div><pre class="rust item-decl"><code>pub type RegionHookRef = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;dyn <a class="trait" href="trait.RegionHook.html" title="trait mito2::engine::region_hook::RegionHook">RegionHook</a>&gt;;</code></pre><h2 id="aliased-type" class="section-header">Aliased Type<a href="#aliased-type" class="anchor">§</a></h2><pre class="rust item-decl"><code>pub struct RegionHookRef { <span class="comment">/* private fields */</span> }</code></pre><script src="../../../type.impl/alloc/sync/struct.Arc.js" data-self-path="mito2::engine::region_hook::RegionHookRef" async></script></section></div></main></body></html>

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window.SIDEBAR_ITEMS = {"constant":["MITO_ENGINE_NAME"],"fn":["is_valid_region_edit","map_batch_responses","prepare_batch_open_requests"],"mod":["puffin_index","region_hook"],"struct":["EngineInner","MitoEngine","MitoEngineBuilder"],"type":["TopicGroupedRegionOpenRequests"]};

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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="API documentation for the Rust `TopicGroupedRegionOpenRequests` type in crate `mito2`."><title>TopicGroupedRegionOpenRequests in mito2::engine - 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 type"><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="#">TopicGroupedRegionOpenRequests</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../mito2/index.html">mito2</a><span class="version">1.2.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Topic<wbr>Grouped<wbr>Region<wbr>Open<wbr>Requests</a></h2><h3><a href="#aliased-type">Aliased Type</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>engine</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">engine</a></div><h1>Type Alias <span class="type">Topic<wbr>Grouped<wbr>Region<wbr>Open<wbr>Requests</span>&nbsp;<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/engine.rs.html#730">Source</a> </span></div><pre class="rust item-decl"><code>type TopicGroupedRegionOpenRequests = <a class="struct" href="https://doc.rust-lang.org/nightly/std/collections/hash/map/struct.HashMap.html" title="struct std::collections::hash::map::HashMap">HashMap</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;(RegionId, RegionOpenRequest)&gt;&gt;;</code></pre><h2 id="aliased-type" class="section-header">Aliased Type<a href="#aliased-type" class="anchor">§</a></h2><pre class="rust item-decl"><code>struct TopicGroupedRegionOpenRequests { <span class="comment">/* private fields */</span> }</code></pre><script src="../../type.impl/std/collections/hash/map/struct.HashMap.js" data-self-path="mito2::engine::TopicGroupedRegionOpenRequests" async></script></section></div></main></body></html>