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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 opener."><title>mito2::region::opener - 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 opener</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 opener</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="#constants" title="Constants">Constants</a></li><li><a href="#statics" title="Statics">Statics</a></li><li><a href="#traits" title="Traits">Traits</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><a href="../index.html">In mito2::<wbr>region</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">region</a></div><h1>Module <span>opener</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/region/opener.rs.html#15-1442">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Region opener.</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.RegionLoadCacheTask.html" title="struct mito2::region::opener::RegionLoadCacheTask">Region<wbr>Load<wbr>Cache<wbr>Task</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>A task to load and fill the region file cache.</dd><dt><a class="struct" href="struct.RegionOpener.html" title="struct mito2::region::opener::RegionOpener">Region<wbr>Opener</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Builder to create a new <a href="../struct.MitoRegion.html" title="struct mito2::region::MitoRegion">MitoRegion</a> or open an existing one.</dd></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.PARQUET_META_PRELOAD_CONCURRENCY.html" title="constant mito2::region::opener::PARQUET_META_PRELOAD_CONCURRENCY">PARQUET_<wbr>META_<wbr>PRELOAD_<wbr>CONCURRENCY</a><span title="Restricted Visibility"> 🔒</span> </dt></dl><h2 id="statics" class="section-header">Statics<a href="#statics" class="anchor">§</a></h2><dl class="item-table"><dt><a class="static" href="static.PARQUET_META_PRELOAD_SEMAPHORE.html" title="static mito2::region::opener::PARQUET_META_PRELOAD_SEMAPHORE">PARQUET_<wbr>META_<wbr>PRELOAD_<wbr>SEMAPHORE</a><span title="Restricted Visibility"> 🔒</span> </dt></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.PartitionExprFetcher.html" title="trait mito2::region::opener::PartitionExprFetcher">Partition<wbr>Expr<wbr>Fetcher</a></dt><dd>A fetcher to retrieve partition expr for a region.</dd></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.can_load_cache.html" title="fn mito2::region::opener::can_load_cache">can_<wbr>load_<wbr>cache</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.check_recovered_region.html" title="fn mito2::region::opener::check_recovered_region">check_<wbr>recovered_<wbr>region</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Checks whether the recovered region has the same schema as region to create.</dd><dt><a class="fn" href="fn.get_object_store.html" title="fn mito2::region::opener::get_object_store">get_<wbr>object_<wbr>store</a></dt><dd>Returns an object store corresponding to <code>name</code>. If <code>name</code> is <code>None</code>, this method returns the default object store.</dd><dt><a class="fn" href="fn.maybe_load_cache.html" title="fn mito2::region::opener::maybe_load_cache">maybe_<wbr>load_<wbr>cache</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Loads all index (Puffin) files from the version into the write cache.</dd><dt><a class="fn" href="fn.maybe_preload_parquet_meta_cache.html" title="fn mito2::region::opener::maybe_preload_parquet_meta_cache">maybe_<wbr>preload_<wbr>parquet_<wbr>meta_<wbr>cache</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.preload_parquet_meta_cache_for_files.html" title="fn mito2::region::opener::preload_parquet_meta_cache_for_files">preload_<wbr>parquet_<wbr>meta_<wbr>cache_<wbr>for_<wbr>files</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Preloads Parquet metadata into the in-memory SST meta cache on region open.</dd><dt><a class="fn" href="fn.replay_memtable.html" title="fn mito2::region::opener::replay_memtable">replay_<wbr>memtable</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Replays the mutations from WAL and inserts mutations to memtable of given region.</dd><dt><a class="fn" href="fn.sanitize_open_request_options.html" title="fn mito2::region::opener::sanitize_open_request_options">sanitize_<wbr>open_<wbr>request_<wbr>options</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Sanitizes open request options before parsing.</dd><dt><a class="fn" href="fn.sanitize_region_options.html" title="fn mito2::region::opener::sanitize_region_options">sanitize_<wbr>region_<wbr>options</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Updates region options by persistent options.</dd><dt><a class="fn" href="fn.version_builder_from_manifest.html" title="fn mito2::region::opener::version_builder_from_manifest">version_<wbr>builder_<wbr>from_<wbr>manifest</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Creates a version builder from a region manifest.</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.PartitionExprFetcherRef.html" title="type mito2::region::opener::PartitionExprFetcherRef">Partition<wbr>Expr<wbr>Fetcher<wbr>Ref</a></dt></dl></section></div></main></body></html> |