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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 `information_schema` mod in crate `catalog`."><title>catalog::system_schema::information_schema - 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="catalog" 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 information_schema</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../catalog/index.html">catalog</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module information_<wbr>schema</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="#macros" title="Macros">Macros</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><a href="../index.html">In catalog::<wbr>system_<wbr>schema</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">catalog</a>::<wbr><a href="../index.html">system_schema</a></div><h1>Module <span>information_<wbr>schema</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/catalog/system_schema/information_schema.rs.html#15-490">Source</a> </span></div><h2 id="modules" class="section-header">Modules<a href="#modules" class="anchor">§</a></h2><dl class="item-table"><dt><a class="mod" href="cluster_info/index.html" title="mod catalog::system_schema::information_schema::cluster_info">cluster_<wbr>info</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="columns/index.html" title="mod catalog::system_schema::information_schema::columns">columns</a></dt><dt><a class="mod" href="flows/index.html" title="mod catalog::system_schema::information_schema::flows">flows</a></dt><dt><a class="mod" href="information_memory_table/index.html" title="mod catalog::system_schema::information_schema::information_memory_table">information_<wbr>memory_<wbr>table</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="key_column_usage/index.html" title="mod catalog::system_schema::information_schema::key_column_usage">key_<wbr>column_<wbr>usage</a></dt><dt><a class="mod" href="partitions/index.html" title="mod catalog::system_schema::information_schema::partitions">partitions</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="procedure_info/index.html" title="mod catalog::system_schema::information_schema::procedure_info">procedure_<wbr>info</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="process_list/index.html" title="mod catalog::system_schema::information_schema::process_list">process_<wbr>list</a></dt><dt><a class="mod" href="region_peers/index.html" title="mod catalog::system_schema::information_schema::region_peers">region_<wbr>peers</a></dt><dt><a class="mod" href="region_statistics/index.html" title="mod catalog::system_schema::information_schema::region_statistics">region_<wbr>statistics</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="schemata/index.html" title="mod catalog::system_schema::information_schema::schemata">schemata</a></dt><dt><a class="mod" href="ssts/index.html" title="mod catalog::system_schema::information_schema::ssts">ssts</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="table_constraints/index.html" title="mod catalog::system_schema::information_schema::table_constraints">table_<wbr>constraints</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="mod" href="table_names/index.html" title="mod catalog::system_schema::information_schema::table_names">table_<wbr>names</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>All table names in <code>information_schema</code>.</dd><dt><a class="mod" href="tables/index.html" title="mod catalog::system_schema::information_schema::tables">tables</a></dt><dt><a class="mod" href="views/index.html" title="mod catalog::system_schema::information_schema::views">views</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl><h2 id="macros" class="section-header">Macros<a href="#macros" class="anchor">§</a></h2><dl class="item-table"><dt><a class="macro" href="macro.setup_memory_table.html" title="macro catalog::system_schema::information_schema::setup_memory_table">setup_<wbr>memory_<wbr>table</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></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.DatanodeInspectRequest.html" title="struct catalog::system_schema::information_schema::DatanodeInspectRequest">Datanode<wbr>Inspect<wbr>Request</a></dt><dd>The request to inspect the datanode.</dd><dt><a class="struct" href="struct.InformationSchemaProvider.html" title="struct catalog::system_schema::information_schema::InformationSchemaProvider">Information<wbr>Schema<wbr>Provider</a></dt><dd>The <code>information_schema</code> tables info provider.</dd><dt><a class="struct" href="struct.MEMORY_TABLES.html" title="struct catalog::system_schema::information_schema::MEMORY_TABLES">MEMORY_<wbr>TABLES</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="struct" href="struct.MakeInformationTableRequest.html" title="struct catalog::system_schema::information_schema::MakeInformationTableRequest">Make<wbr>Information<wbr>Table<wbr>Request</a></dt><dt><a class="struct" href="struct.NoopInformationExtension.html" title="struct catalog::system_schema::information_schema::NoopInformationExtension">Noop<wbr>Information<wbr>Extension</a></dt></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.DatanodeInspectKind.html" title="enum catalog::system_schema::information_schema::DatanodeInspectKind">Datanode<wbr>Inspect<wbr>Kind</a></dt><dd>The kind of the datanode inspect request.</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.BUILD_INFO.html" title="constant catalog::system_schema::information_schema::BUILD_INFO">BUILD_<wbr>INFO</a></dt><dt><a class="constant" href="constant.CHARACTER_SETS.html" title="constant catalog::system_schema::information_schema::CHARACTER_SETS">CHARACTER_<wbr>SETS</a></dt><dt><a class="constant" href="constant.CHECK_CONSTRAINTS.html" title="constant catalog::system_schema::information_schema::CHECK_CONSTRAINTS">CHECK_<wbr>CONSTRAINTS</a></dt><dt><a class="constant" href="constant.CLUSTER_INFO.html" title="constant catalog::system_schema::information_schema::CLUSTER_INFO">CLUSTER_<wbr>INFO</a></dt><dt><a class="constant" href="constant.COLLATIONS.html" title="constant catalog::system_schema::information_schema::COLLATIONS">COLLATIONS</a></dt><dt><a class="constant" href="constant.COLLATION_CHARACTER_SET_APPLICABILITY.html" title="constant catalog::system_schema::information_schema::COLLATION_CHARACTER_SET_APPLICABILITY">COLLATION_<wbr>CHARACTER_<wbr>SET_<wbr>APPLICABILITY</a></dt><dt><a class="constant" href="constant.COLUMNS.html" title="constant catalog::system_schema::information_schema::COLUMNS">COLUMNS</a></dt><dt><a class="constant" href="constant.COLUMN_PRIVILEGES.html" title="constant catalog::system_schema::information_schema::COLUMN_PRIVILEGES">COLUMN_<wbr>PRIVILEGES</a></dt><dt><a class="constant" href="constant.COLUMN_STATISTICS.html" title="constant catalog::system_schema::information_schema::COLUMN_STATISTICS">COLUMN_<wbr>STATISTICS</a></dt><dt><a class="constant" href="constant.ENGINES.html" title="constant catalog::system_schema::information_schema::ENGINES">ENGINES</a></dt><dt><a class="constant" href="constant.EVENTS.html" title="constant catalog::system_schema::information_schema::EVENTS">EVENTS</a></dt><dt><a class="constant" href="constant.FILES.html" title="constant catalog::system_schema::information_schema::FILES">FILES</a></dt><dt><a class="constant" href="constant.FLOWS.html" title="constant catalog::system_schema::information_schema::FLOWS">FLOWS</a></dt><dt><a class="constant" href="constant.GLOBAL_STATUS.html" title="constant catalog::system_schema::information_schema::GLOBAL_STATUS">GLOBAL_<wbr>STATUS</a></dt><dt><a class="constant" href="constant.KEY_COLUMN_USAGE.html" title="constant catalog::system_schema::information_schema::KEY_COLUMN_USAGE">KEY_<wbr>COLUMN_<wbr>USAGE</a></dt><dt><a class="constant" href="constant.OPTIMIZER_TRACE.html" title="constant catalog::system_schema::information_schema::OPTIMIZER_TRACE">OPTIMIZER_<wbr>TRACE</a></dt><dt><a class="constant" href="constant.PARAMETERS.html" title="constant catalog::system_schema::information_schema::PARAMETERS">PARAMETERS</a></dt><dt><a class="constant" href="constant.PARTITIONS.html" title="constant catalog::system_schema::information_schema::PARTITIONS">PARTITIONS</a></dt><dt><a class="constant" href="constant.PROCEDURE_INFO.html" title="constant catalog::system_schema::information_schema::PROCEDURE_INFO">PROCEDURE_<wbr>INFO</a></dt><dt><a class="constant" href="constant.PROCESS_LIST.html" title="constant catalog::system_schema::information_schema::PROCESS_LIST">PROCESS_<wbr>LIST</a></dt><dt><a class="constant" href="constant.PROFILING.html" title="constant catalog::system_schema::information_schema::PROFILING">PROFILING</a></dt><dt><a class="constant" href="constant.REFERENTIAL_CONSTRAINTS.html" title="constant catalog::system_schema::information_schema::REFERENTIAL_CONSTRAINTS">REFERENTIAL_<wbr>CONSTRAINTS</a></dt><dt><a class="constant" href="constant.REGION_PEERS.html" title="constant catalog::system_schema::information_schema::REGION_PEERS">REGION_<wbr>PEERS</a></dt><dt><a class="constant" href="constant.REGION_STATISTICS.html" title="constant catalog::system_schema::information_schema::REGION_STATISTICS">REGION_<wbr>STATISTICS</a></dt><dt><a class="constant" href="constant.ROUTINES.html" title="constant catalog::system_schema::information_schema::ROUTINES">ROUTINES</a></dt><dt><a class="constant" href="constant.SCHEMATA.html" title="constant catalog::system_schema::information_schema::SCHEMATA">SCHEMATA</a></dt><dt><a class="constant" href="constant.SCHEMA_PRIVILEGES.html" title="constant catalog::system_schema::information_schema::SCHEMA_PRIVILEGES">SCHEMA_<wbr>PRIVILEGES</a></dt><dt><a class="constant" href="constant.SESSION_STATUS.html" title="constant catalog::system_schema::information_schema::SESSION_STATUS">SESSION_<wbr>STATUS</a></dt><dt><a class="constant" href="constant.SSTS_INDEX_META.html" title="constant catalog::system_schema::information_schema::SSTS_INDEX_META">SSTS_<wbr>INDEX_<wbr>META</a></dt><dt><a class="constant" href="constant.SSTS_MANIFEST.html" title="constant catalog::system_schema::information_schema::SSTS_MANIFEST">SSTS_<wbr>MANIFEST</a></dt><dt><a class="constant" href="constant.SSTS_STORAGE.html" title="constant catalog::system_schema::information_schema::SSTS_STORAGE">SSTS_<wbr>STORAGE</a></dt><dt><a class="constant" href="constant.TABLES.html" title="constant catalog::system_schema::information_schema::TABLES">TABLES</a></dt><dt><a class="constant" href="constant.TABLE_CONSTRAINTS.html" title="constant catalog::system_schema::information_schema::TABLE_CONSTRAINTS">TABLE_<wbr>CONSTRAINTS</a></dt><dt><a class="constant" href="constant.TABLE_PRIVILEGES.html" title="constant catalog::system_schema::information_schema::TABLE_PRIVILEGES">TABLE_<wbr>PRIVILEGES</a></dt><dt><a class="constant" href="constant.TRIGGERS.html" title="constant catalog::system_schema::information_schema::TRIGGERS">TRIGGERS</a></dt><dt><a class="constant" href="constant.VIEWS.html" title="constant catalog::system_schema::information_schema::VIEWS">VIEWS</a></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.InformationExtension.html" title="trait catalog::system_schema::information_schema::InformationExtension">Information<wbr>Extension</a></dt><dd>The <code>InformationExtension</code> trait provides the extension methods for the <code>information_schema</code> tables.</dd><dt><a class="trait" href="trait.InformationSchemaTableFactory.html" title="trait catalog::system_schema::information_schema::InformationSchemaTableFactory">Information<wbr>Schema<wbr>Table<wbr>Factory</a></dt><dd>A factory trait for making information schema tables.</dd><dt><a class="trait" href="trait.InformationTable.html" title="trait catalog::system_schema::information_schema::InformationTable">Information<wbr>Table</a></dt></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.InformationExtensionRef.html" title="type catalog::system_schema::information_schema::InformationExtensionRef">Information<wbr>Extension<wbr>Ref</a></dt><dt><a class="type" href="type.InformationSchemaTableFactoryRef.html" title="type catalog::system_schema::information_schema::InformationSchemaTableFactoryRef">Information<wbr>Schema<wbr>Table<wbr>Factory<wbr>Ref</a></dt></dl></section></div></main></body></html>
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