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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="Utilities for the partition range scan result cache."><title>mito2::read::range_cache - 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 range_cache</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../mito2/index.html">mito2</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module range_<wbr>cache</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="#constants" title="Constants">Constants</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In mito2::<wbr>read</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></div><h1>Module <span>range_<wbr>cache</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/range_cache.rs.html#15-1034">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Utilities for the partition range scan result cache.</p>
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</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.CacheBatchBuffer.html" title="struct mito2::read::range_cache::CacheBatchBuffer">Cache<wbr>Batch<wbr>Buffer</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="struct" href="struct.CacheConcatState.html" title="struct mito2::read::range_cache::CacheConcatState">Cache<wbr>Concat<wbr>State</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="struct" href="struct.CachedBatchSlice.html" title="struct mito2::read::range_cache::CachedBatchSlice">Cached<wbr>Batch<wbr>Slice</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Cached result for one range scan.</dd><dt><a class="struct" href="struct.PartitionRangeRowGroups.html" title="struct mito2::read::range_cache::PartitionRangeRowGroups">Partition<wbr>Range<wbr>RowGroups</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Row groups and whether all sources are file-only for a partition range.</dd><dt><a class="struct" href="struct.RangeScanCacheKey.html" title="struct mito2::read::range_cache::RangeScanCacheKey">Range<wbr>Scan<wbr>Cache<wbr>Key</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Cache key for range scan outputs.</dd><dt><a class="struct" href="struct.RangeScanCacheValue.html" title="struct mito2::read::range_cache::RangeScanCacheValue">Range<wbr>Scan<wbr>Cache<wbr>Value</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="struct" href="struct.ScanRequestFingerprint.html" title="struct mito2::read::range_cache::ScanRequestFingerprint">Scan<wbr>Request<wbr>Fingerprint</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Fingerprint of the scan request fields that affect partition range cache reuse.</dd><dt><a class="struct" href="struct.ScanRequestFingerprintBuilder.html" title="struct mito2::read::range_cache::ScanRequestFingerprintBuilder">Scan<wbr>Request<wbr>Fingerprint<wbr>Builder</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="struct" href="struct.SharedScanRequestFingerprint.html" title="struct mito2::read::range_cache::SharedScanRequestFingerprint">Shared<wbr>Scan<wbr>Request<wbr>Fingerprint</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Non-copiable struct of the fingerprint.</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.CacheConcatCommand.html" title="enum mito2::read::range_cache::CacheConcatCommand">Cache<wbr>Concat<wbr>Command</a><span title="Restricted Visibility"> 🔒</span> </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.RANGE_CACHE_COMPACT_THRESHOLD_BYTES.html" title="constant mito2::read::range_cache::RANGE_CACHE_COMPACT_THRESHOLD_BYTES">RANGE_<wbr>CACHE_<wbr>COMPACT_<wbr>THRESHOLD_<wbr>BYTES</a><span title="Restricted Visibility"> 🔒</span> </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.build_cached_batch_slice.html" title="fn mito2::read::range_cache::build_cached_batch_slice">build_<wbr>cached_<wbr>batch_<wbr>slice</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.build_range_cache_key.html" title="fn mito2::read::range_cache::build_range_cache_key">build_<wbr>range_<wbr>cache_<wbr>key</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Builds a cache key for the given partition range if it is eligible for caching.</dd><dt><a class="fn" href="fn.cache_flat_range_stream.html" title="fn mito2::read::range_cache::cache_flat_range_stream">cache_<wbr>flat_<wbr>range_<wbr>stream</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Wraps a stream to cache its output for future range cache hits.</dd><dt><a class="fn" href="fn.cached_flat_range_stream.html" title="fn mito2::read::range_cache::cached_flat_range_stream">cached_<wbr>flat_<wbr>range_<wbr>stream</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Returns a stream that replays cached record batches.</dd><dt><a class="fn" href="fn.collect_partition_range_row_groups.html" title="fn mito2::read::range_cache::collect_partition_range_row_groups">collect_<wbr>partition_<wbr>range_<wbr>row_<wbr>groups</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Collects (file_id, row_group_index) pairs from a partition range’s row group indices.</dd><dt><a class="fn" href="fn.compact_record_batches.html" title="fn mito2::read::range_cache::compact_record_batches">compact_<wbr>record_<wbr>batches</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.query_time_range_covers_partition_range.html" title="fn mito2::read::range_cache::query_time_range_covers_partition_range">query_<wbr>time_<wbr>range_<wbr>covers_<wbr>partition_<wbr>range</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.run_cache_concat_task.html" title="fn mito2::read::range_cache::run_cache_concat_task">run_<wbr>cache_<wbr>concat_<wbr>task</a><span title="Restricted Visibility"> 🔒</span> </dt></dl></section></div></main></body></html> |