greptimedb/mito2/cache/range_cache/shared_range/index.html

<!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="A single range scan with independently advancing readers."><title>mito2::cache::range_cache::shared_range - 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-1ed95124.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="1.98.1 (48a229cea 2026-09-01)" data-channel="1.98.1" data-search-js="search-9944d736.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-417ebf0a.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 shared_range</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../../mito2/index.html">mito2</a><span class="version">1.4.0-alpha.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module shared_<wbr>range</a></h2><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#enums" title="Enums">Enums</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>cache::<wbr>range_<wbr>cache</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">cache</a>::<wbr><a href="../index.html">range_cache</a></div><h1>Module <span>shared_<wbr>range</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/cache/range_cache/shared_range.rs.html#15-413">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A single range scan with independently advancing readers.</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.BufferedAllocation.html" title="struct mito2::cache::range_cache::shared_range::BufferedAllocation">Buffered<wbr>Allocation</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="struct" href="struct.BufferedBatch.html" title="struct mito2::cache::range_cache::shared_range::BufferedBatch">Buffered<wbr>Batch</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="struct" href="struct.RangeBuffer.html" title="struct mito2::cache::range_cache::shared_range::RangeBuffer">Range<wbr>Buffer</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="struct" href="struct.RangeCursor.html" title="struct mito2::cache::range_cache::shared_range::RangeCursor">Range<wbr>Cursor</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>A reader’s cursor refers to original batch boundaries, including empty batches.</dd><dt><a class="struct" href="struct.SharedRange.html" title="struct mito2::cache::range_cache::shared_range::SharedRange">Shared<wbr>Range</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>The registry must hold only a weak reference: readers own the scan lifetime.
The source is polled on demand, so an unused range does not run ahead.
Cache admission stops when retention reservations run out. Unread batches
remain owned by active readers; this is not a hard limit on their backlog.</dd></dl><h2 id="enums" class="section-header">Enums<a href="#enums" class="anchor">§</a></h2><dl class="item-table"><dt><a class="enum" href="enum.RangeRead.html" title="enum mito2::cache::range_cache::shared_range::RangeRead">Range<wbr>Read</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></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.NextBatch.html" title="type mito2::cache::range_cache::shared_range::NextBatch">Next<wbr>Batch</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="type" href="type.SharedBatch.html" title="type mito2::cache::range_cache::shared_range::SharedBatch">Shared<wbr>Batch</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl></section></div></main></body></html>