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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="Storage APIs."><title>store_api::storage - 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-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="store_api" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (fa3155a64 2025-09-30)" data-channel="nightly" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.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"><!--[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 storage</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../store_api/index.html">store_<wbr>api</a><span class="version">1.0.0-beta.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module storage</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="#enums" title="Enums">Enums</a></li><li><a href="#constants" title="Constants">Constants</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 class="in-crate"><a href="../index.html">In crate store_<wbr>api</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"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">store_api</a></div><h1>Module <span>storage</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/store_api/storage.rs.html#15-34">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Storage APIs.</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="consts/index.html" title="mod store_api::storage::consts">consts</a></dt><dd>Constants.</dd><dt><a class="mod" href="descriptors/index.html" title="mod store_api::storage::descriptors">descriptors</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="file/index.html" title="mod store_api::storage::file">file</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="requests/index.html" title="mod store_api::storage::requests">requests</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="types/index.html" title="mod store_api::storage::types">types</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>Common types.</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.ColumnDescriptor.html" title="struct store_api::storage::ColumnDescriptor">Column<wbr>Descriptor</a></dt><dd>A <a href="struct.ColumnDescriptor.html" title="struct store_api::storage::ColumnDescriptor">ColumnDescriptor</a> contains information to create a column.</dd><dt><a class="struct" href="struct.ColumnDescriptorBuilder.html" title="struct store_api::storage::ColumnDescriptorBuilder">Column<wbr>Descriptor<wbr>Builder</a></dt><dd>Builder for <a href="struct.ColumnDescriptor.html"><code>ColumnDescriptor</code></a>.</dd><dt><a class="struct" href="struct.ColumnSchema.html" title="struct store_api::storage::ColumnSchema">Column<wbr>Schema</a></dt><dd>Schema of a column, used as an immutable struct.</dd><dt><a class="struct" href="struct.FileId.html" title="struct store_api::storage::FileId">FileId</a></dt><dd>Unique id for [SST File].</dd><dt><a class="struct" href="struct.FileRef.html" title="struct store_api::storage::FileRef">FileRef</a></dt><dt><a class="struct" href="struct.FileRefsManifest.html" title="struct store_api::storage::FileRefsManifest">File<wbr>Refs<wbr>Manifest</a></dt><dd>The tmp file manifest which record a tables file references.
Also record the manifest version when these tmp files are read.</dd><dt><a class="struct" href="struct.GcReport.html" title="struct store_api::storage::GcReport">GcReport</a></dt><dt><a class="struct" href="struct.ParseIdError.html" title="struct store_api::storage::ParseIdError">Parse<wbr>IdError</a></dt><dt><a class="struct" href="struct.RegionId.html" title="struct store_api::storage::RegionId">Region<wbr>Id</a></dt><dd>Id of the region. Its generated by concatenating table id, region group and region number.</dd><dt><a class="struct" href="struct.ScanRequest.html" title="struct store_api::storage::ScanRequest">Scan<wbr>Request</a></dt><dt><a class="struct" href="struct.Schema.html" title="struct store_api::storage::Schema">Schema</a></dt><dd>A common schema, should be immutable.</dd><dt><a class="struct" href="struct.SchemaBuilder.html" title="struct store_api::storage::SchemaBuilder">Schema<wbr>Builder</a></dt><dt><a class="struct" href="struct.VectorSearchMatches.html" title="struct store_api::storage::VectorSearchMatches">Vector<wbr>Search<wbr>Matches</a></dt><dd>Search results from vector index.</dd><dt><a class="struct" href="struct.VectorSearchRequest.html" title="struct store_api::storage::VectorSearchRequest">Vector<wbr>Search<wbr>Request</a></dt><dd>A hint for KNN vector search.</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.ColumnDefaultConstraint.html" title="enum store_api::storage::ColumnDefaultConstraint">Column<wbr>Default<wbr>Constraint</a></dt><dd>Columns default constraint.</dd><dt><a class="enum" href="enum.ColumnDescriptorBuilderError.html" title="enum store_api::storage::ColumnDescriptorBuilderError">Column<wbr>Descriptor<wbr>Builder<wbr>Error</a></dt><dd>Error type for ColumnDescriptorBuilder</dd><dt><a class="enum" href="enum.ConcreteDataType.html" title="enum store_api::storage::ConcreteDataType">Concrete<wbr>Data<wbr>Type</a></dt><dt><a class="enum" href="enum.SequenceRange.html" title="enum store_api::storage::SequenceRange">Sequence<wbr>Range</a></dt><dd>A range of sequence numbers.</dd><dt><a class="enum" href="enum.TimeSeriesDistribution.html" title="enum store_api::storage::TimeSeriesDistribution">Time<wbr>Series<wbr>Distribution</a></dt><dd>A hint on how to distribute time-series data on the scan output.</dd><dt><a class="enum" href="enum.TimeSeriesRowSelector.html" title="enum store_api::storage::TimeSeriesRowSelector">Time<wbr>Series<wbr>RowSelector</a></dt><dd>A hint on how to select rows from a time-series.</dd><dt><a class="enum" href="enum.VectorDistanceMetric.html" title="enum store_api::storage::VectorDistanceMetric">Vector<wbr>Distance<wbr>Metric</a></dt><dd>Distance metric for vector similarity search.</dd><dt><a class="enum" href="enum.VectorIndexEngineType.html" title="enum store_api::storage::VectorIndexEngineType">Vector<wbr>Index<wbr>Engine<wbr>Type</a></dt><dd>Supported vector index engine types.</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.MAX_REGION_SEQ.html" title="constant store_api::storage::MAX_REGION_SEQ">MAX_<wbr>REGION_<wbr>SEQ</a></dt><dd>The max valid region sequence number.</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.VectorIndexEngine.html" title="trait store_api::storage::VectorIndexEngine">Vector<wbr>Index<wbr>Engine</a></dt><dd>Trait for vector index engines (HNSW implementations).</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.ColumnId.html" title="type store_api::storage::ColumnId">Column<wbr>Id</a></dt><dd>Id of column. Unique in each region.</dd><dt><a class="type" href="type.IndexVersion.html" title="type store_api::storage::IndexVersion">Index<wbr>Version</a></dt><dd>Index version</dd><dt><a class="type" href="type.RegionGroup.html" title="type store_api::storage::RegionGroup">Region<wbr>Group</a></dt><dd>Group number of one region. Unique in each region.</dd><dt><a class="type" href="type.RegionNumber.html" title="type store_api::storage::RegionNumber">Region<wbr>Number</a></dt><dd>Id of regions under the same table. Unique in each table.
Is composed by <a href="type.RegionGroup.html" title="type store_api::storage::RegionGroup">RegionGroup</a> and <a href="type.RegionSeq.html" title="type store_api::storage::RegionSeq">RegionSeq</a>.</dd><dt><a class="type" href="type.RegionSeq.html" title="type store_api::storage::RegionSeq">Region<wbr>Seq</a></dt><dd>Sequence number of region inside one table. Unique in each table.
The first 8 bits are preserved for <a href="type.RegionGroup.html" title="type store_api::storage::RegionGroup">RegionGroup</a>.</dd><dt><a class="type" href="type.SchemaRef.html" title="type store_api::storage::SchemaRef">Schema<wbr>Ref</a></dt><dt><a class="type" href="type.SequenceNumber.html" title="type store_api::storage::SequenceNumber">Sequence<wbr>Number</a></dt><dd>Represents a sequence number of data in storage. The offset of logstore can be used
as a sequence number.</dd><dt><a class="type" href="type.TableId.html" title="type store_api::storage::TableId">TableId</a></dt><dd>Id of table. Universal unique.</dd></dl></section></div></main></body></html>