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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="API documentation for the Rust `error` mod in crate `datanode`."><title>datanode::error - 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="datanode" 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 error</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../datanode/index.html">datanode</a><span class="version">1.0.0-beta.3</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module error</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 class="in-crate"><a href="../index.html">In crate datanode</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">datanode</a></div><h1>Module <span>error</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/datanode/error.rs.html#15-496">Source</a> </span></div><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.AsyncTaskExecuteSnafu.html" title="struct datanode::error::AsyncTaskExecuteSnafu">Async<wbr>Task<wbr>Execute<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::AsyncTaskExecute</code> variant</dd><dt><a class="struct" href="struct.BuildDatanodeSnafu.html" title="struct datanode::error::BuildDatanodeSnafu">Build<wbr>Datanode<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::BuildDatanode</code> variant</dd><dt><a class="struct" href="struct.BuildHttpClientSnafu.html" title="struct datanode::error::BuildHttpClientSnafu">Build<wbr>Http<wbr>Client<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::BuildHttpClient</code> variant</dd><dt><a class="struct" href="struct.BuildMetricEngineSnafu.html" title="struct datanode::error::BuildMetricEngineSnafu">Build<wbr>Metric<wbr>Engine<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::BuildMetricEngine</code> variant</dd><dt><a class="struct" href="struct.BuildMitoEngineSnafu.html" title="struct datanode::error::BuildMitoEngineSnafu">Build<wbr>Mito<wbr>Engine<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::BuildMitoEngine</code> variant</dd><dt><a class="struct" href="struct.BuildRegionRequestsSnafu.html" title="struct datanode::error::BuildRegionRequestsSnafu">Build<wbr>Region<wbr>Requests<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::BuildRegionRequests</code> variant</dd><dt><a class="struct" href="struct.ColumnNoneDefaultValueSnafu.html" title="struct datanode::error::ColumnNoneDefaultValueSnafu">Column<wbr>None<wbr>Default<wbr>Value<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ColumnNoneDefaultValue</code> variant</dd><dt><a class="struct" href="struct.ConcurrentQueryLimiterClosedSnafu.html" title="struct datanode::error::ConcurrentQueryLimiterClosedSnafu">Concurrent<wbr>Query<wbr>Limiter<wbr>Closed<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ConcurrentQueryLimiterClosed</code> variant</dd><dt><a class="struct" href="struct.ConcurrentQueryLimiterTimeoutSnafu.html" title="struct datanode::error::ConcurrentQueryLimiterTimeoutSnafu">Concurrent<wbr>Query<wbr>Limiter<wbr>Timeout<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ConcurrentQueryLimiterTimeout</code> variant</dd><dt><a class="struct" href="struct.CreateDirSnafu.html" title="struct datanode::error::CreateDirSnafu">Create<wbr>DirSnafu</a></dt><dd>SNAFU context selector for the <code>Error::CreateDir</code> variant</dd><dt><a class="struct" href="struct.DataFusionSnafu.html" title="struct datanode::error::DataFusionSnafu">Data<wbr>Fusion<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::DataFusion</code> variant</dd><dt><a class="struct" href="struct.DecodeLogicalPlanSnafu.html" title="struct datanode::error::DecodeLogicalPlanSnafu">Decode<wbr>Logical<wbr>Plan<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::DecodeLogicalPlan</code> variant</dd><dt><a class="struct" href="struct.DeleteSnafu.html" title="struct datanode::error::DeleteSnafu">Delete<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::Delete</code> variant</dd><dt><a class="struct" href="struct.ExecuteLogicalPlanSnafu.html" title="struct datanode::error::ExecuteLogicalPlanSnafu">Execute<wbr>Logical<wbr>Plan<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ExecuteLogicalPlan</code> variant</dd><dt><a class="struct" href="struct.FindLogicalRegionsSnafu.html" title="struct datanode::error::FindLogicalRegionsSnafu">Find<wbr>Logical<wbr>Regions<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::FindLogicalRegions</code> variant</dd><dt><a class="struct" href="struct.GcMitoEngineSnafu.html" title="struct datanode::error::GcMitoEngineSnafu">GcMito<wbr>Engine<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::GcMitoEngine</code> variant</dd><dt><a class="struct" href="struct.GetMetadataSnafu.html" title="struct datanode::error::GetMetadataSnafu">GetMetadata<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::GetMetadata</code> variant</dd><dt><a class="struct" href="struct.GetRegionMetadataSnafu.html" title="struct datanode::error::GetRegionMetadataSnafu">GetRegion<wbr>Metadata<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::GetRegionMetadata</code> variant</dd><dt><a class="struct" href="struct.HandleBatchDdlRequestSnafu.html" title="struct datanode::error::HandleBatchDdlRequestSnafu">Handle<wbr>Batch<wbr>DdlRequest<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::HandleBatchDdlRequest</code> variant</dd><dt><a class="struct" href="struct.HandleBatchOpenRequestSnafu.html" title="struct datanode::error::HandleBatchOpenRequestSnafu">Handle<wbr>Batch<wbr>Open<wbr>Request<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::HandleBatchOpenRequest</code> variant</dd><dt><a class="struct" href="struct.HandleHeartbeatResponseSnafu.html" title="struct datanode::error::HandleHeartbeatResponseSnafu">Handle<wbr>Heartbeat<wbr>Response<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::HandleHeartbeatResponse</code> variant</dd><dt><a class="struct" href="struct.HandleRegionRequestSnafu.html" title="struct datanode::error::HandleRegionRequestSnafu">Handle<wbr>Region<wbr>Request<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::HandleRegionRequest</code> variant</dd><dt><a class="struct" href="struct.IllegalPrimaryKeysDefSnafu.html" title="struct datanode::error::IllegalPrimaryKeysDefSnafu">Illegal<wbr>Primary<wbr>Keys<wbr>DefSnafu</a></dt><dd>SNAFU context selector for the <code>Error::IllegalPrimaryKeysDef</code> variant</dd><dt><a class="struct" href="struct.InvalidGcArgsSnafu.html" title="struct datanode::error::InvalidGcArgsSnafu">Invalid<wbr>GcArgs<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::InvalidGcArgs</code> variant</dd><dt><a class="struct" href="struct.InvalidSqlSnafu.html" title="struct datanode::error::InvalidSqlSnafu">Invalid<wbr>SqlSnafu</a></dt><dd>SNAFU context selector for the <code>Error::InvalidSql</code> variant</dd><dt><a class="struct" href="struct.ListStorageSstsSnafu.html" title="struct datanode::error::ListStorageSstsSnafu">List<wbr>Storage<wbr>Ssts<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ListStorageSsts</code> variant</dd><dt><a class="struct" href="struct.MetaClientInitSnafu.html" title="struct datanode::error::MetaClientInitSnafu">Meta<wbr>Client<wbr>Init<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::MetaClientInit</code> variant</dd><dt><a class="struct" href="struct.MissingCacheSnafu.html" title="struct datanode::error::MissingCacheSnafu">Missing<wbr>Cache<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::MissingCache</code> variant</dd><dt><a class="struct" href="struct.MissingNodeIdSnafu.html" title="struct datanode::error::MissingNodeIdSnafu">Missing<wbr>Node<wbr>IdSnafu</a></dt><dd>SNAFU context selector for the <code>Error::MissingNodeId</code> variant</dd><dt><a class="struct" href="struct.MissingRequiredFieldSnafu.html" title="struct datanode::error::MissingRequiredFieldSnafu">Missing<wbr>Required<wbr>Field<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::MissingRequiredField</code> variant</dd><dt><a class="struct" href="struct.MissingTimestampColumnSnafu.html" title="struct datanode::error::MissingTimestampColumnSnafu">Missing<wbr>Timestamp<wbr>Column<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::MissingTimestampColumn</code> variant</dd><dt><a class="struct" href="struct.NewPlanDecoderSnafu.html" title="struct datanode::error::NewPlanDecoderSnafu">NewPlan<wbr>Decoder<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::NewPlanDecoder</code> variant</dd><dt><a class="struct" href="struct.NotYetImplementedSnafu.html" title="struct datanode::error::NotYetImplementedSnafu">NotYet<wbr>Implemented<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::NotYetImplemented</code> variant</dd><dt><a class="struct" href="struct.ObjectStoreSnafu.html" title="struct datanode::error::ObjectStoreSnafu">Object<wbr>Store<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ObjectStore</code> variant</dd><dt><a class="struct" href="struct.OpenLogStoreSnafu.html" title="struct datanode::error::OpenLogStoreSnafu">Open<wbr>LogStore<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::OpenLogStore</code> variant</dd><dt><a class="struct" href="struct.ParseAddrSnafu.html" title="struct datanode::error::ParseAddrSnafu">Parse<wbr>Addr<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ParseAddr</code> variant</dd><dt><a class="struct" href="struct.PayloadNotExistSnafu.html" title="struct datanode::error::PayloadNotExistSnafu">Payload<wbr>NotExist<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::PayloadNotExist</code> variant</dd><dt><a class="struct" href="struct.RegionBusySnafu.html" title="struct datanode::error::RegionBusySnafu">Region<wbr>Busy<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::RegionBusy</code> variant</dd><dt><a class="struct" href="struct.RegionEngineNotFoundSnafu.html" title="struct datanode::error::RegionEngineNotFoundSnafu">Region<wbr>Engine<wbr>NotFound<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::RegionEngineNotFound</code> variant</dd><dt><a class="struct" href="struct.RegionNotFoundSnafu.html" title="struct datanode::error::RegionNotFoundSnafu">Region<wbr>NotFound<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::RegionNotFound</code> variant</dd><dt><a class="struct" href="struct.RegionNotReadySnafu.html" title="struct datanode::error::RegionNotReadySnafu">Region<wbr>NotReady<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::RegionNotReady</code> variant</dd><dt><a class="struct" href="struct.RemoveDirSnafu.html" title="struct datanode::error::RemoveDirSnafu">Remove<wbr>DirSnafu</a></dt><dd>SNAFU context selector for the <code>Error::RemoveDir</code> variant</dd><dt><a class="struct" href="struct.SchemaExistsSnafu.html" title="struct datanode::error::SchemaExistsSnafu">Schema<wbr>Exists<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::SchemaExists</code> variant</dd><dt><a class="struct" href="struct.SchemaNotFoundSnafu.html" title="struct datanode::error::SchemaNotFoundSnafu">Schema<wbr>NotFound<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::SchemaNotFound</code> variant</dd><dt><a class="struct" href="struct.SerializeJsonSnafu.html" title="struct datanode::error::SerializeJsonSnafu">Serialize<wbr>Json<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::SerializeJson</code> variant</dd><dt><a class="struct" href="struct.ShutdownInstanceSnafu.html" title="struct datanode::error::ShutdownInstanceSnafu">Shutdown<wbr>Instance<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ShutdownInstance</code> variant</dd><dt><a class="struct" href="struct.ShutdownServerSnafu.html" title="struct datanode::error::ShutdownServerSnafu">Shutdown<wbr>Server<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::ShutdownServer</code> variant</dd><dt><a class="struct" href="struct.StartServerSnafu.html" title="struct datanode::error::StartServerSnafu">Start<wbr>Server<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::StartServer</code> variant</dd><dt><a class="struct" href="struct.StopRegionEngineSnafu.html" title="struct datanode::error::StopRegionEngineSnafu">Stop<wbr>Region<wbr>Engine<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::StopRegionEngine</code> variant</dd><dt><a class="struct" href="struct.TomlFormatSnafu.html" title="struct datanode::error::TomlFormatSnafu">Toml<wbr>Format<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::TomlFormat</code> variant</dd><dt><a class="struct" href="struct.UnexpectedSnafu.html" title="struct datanode::error::UnexpectedSnafu">Unexpected<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::Unexpected</code> variant</dd><dt><a class="struct" href="struct.UnsupportedOutputSnafu.html" title="struct datanode::error::UnsupportedOutputSnafu">Unsupported<wbr>Output<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::UnsupportedOutput</code> variant</dd><dt><a class="struct" href="struct.WatchAsyncTaskChangeSnafu.html" title="struct datanode::error::WatchAsyncTaskChangeSnafu">Watch<wbr>Async<wbr>Task<wbr>Change<wbr>Snafu</a></dt><dd>SNAFU context selector for the <code>Error::WatchAsyncTaskChange</code> variant</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.Error.html" title="enum datanode::error::Error">Error</a></dt><dd>Business error of datanode.</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.Result.html" title="type datanode::error::Result">Result</a></dt></dl></section></div></main></body></html>