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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="Polls `stream` on its own compaction runtime task, buffering up to `capacity` batches ahead of the consumer. While polling, the task holds a permit of `semaphore` if one is given."><title>spawn_compact_stream in mito2::read::stream - 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 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="#">spawn_compact_stream</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"><div id="rustdoc-modnav"><h2><a href="index.html">In mito2::<wbr>read::<wbr>stream</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">read</a>::<wbr><a href="index.html">stream</a></div><h1>Function <span class="fn">spawn_<wbr>compact_<wbr>stream</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/mito2/read/stream.rs.html#137-178">Source</a> </span></div><pre class="rust item-decl"><code>pub(crate) fn spawn_compact_stream(
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stream: <a class="type" href="../type.BoxedRecordBatchStream.html" title="type mito2::read::BoxedRecordBatchStream">BoxedRecordBatchStream</a>,
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capacity: <a class="primitive" href="https://doc.rust-lang.org/1.98.1/std/primitive.usize.html">usize</a>,
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semaphore: <a class="enum" href="https://doc.rust-lang.org/1.98.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/1.98.1/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><Semaphore>>,
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) -> <a class="type" href="../type.BoxedRecordBatchStream.html" title="type mito2::read::BoxedRecordBatchStream">BoxedRecordBatchStream</a></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Polls <code>stream</code> on its own compaction runtime task, buffering up to
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<code>capacity</code> batches ahead of the consumer. While polling, the task holds a
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permit of <code>semaphore</code> if one is given.</p>
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<p>The channel also closes if the task panics, so the returned stream checks
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how the task ended before reporting the end of the input. Dropping the
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returned stream aborts the task.</p>
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</div></details></section></div></main></body></html> |