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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="Table and TableEngine requests"><title>table::requests - 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="table" 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 requests</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../table/index.html">table</a><span class="version">1.1.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module requests</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="#statics" title="Statics">Statics</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate table</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">table</a></div><h1>Module <span>requests</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/table/requests.rs.html#15-607">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Table and TableEngine requests</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="semantic/index.html" title="mod table::requests::semantic">semantic</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dd>Table semantic layer vocabulary.</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.AddColumnRequest.html" title="struct table::requests::AddColumnRequest">AddColumn<wbr>Request</a></dt><dd>Add column request</dd><dt><a class="struct" href="struct.AlterTableRequest.html" title="struct table::requests::AlterTableRequest">Alter<wbr>Table<wbr>Request</a></dt><dd>Alter table request</dd><dt><a class="struct" href="struct.BuildIndexTableRequest.html" title="struct table::requests::BuildIndexTableRequest">Build<wbr>Index<wbr>Table<wbr>Request</a></dt><dt><a class="struct" href="struct.CompactTableRequest.html" title="struct table::requests::CompactTableRequest">Compact<wbr>Table<wbr>Request</a></dt><dt><a class="struct" href="struct.CopyDatabaseRequest.html" title="struct table::requests::CopyDatabaseRequest">Copy<wbr>Database<wbr>Request</a></dt><dt><a class="struct" href="struct.CopyQueryToRequest.html" title="struct table::requests::CopyQueryToRequest">Copy<wbr>Query<wbr>ToRequest</a></dt><dt><a class="struct" href="struct.CopyTableRequest.html" title="struct table::requests::CopyTableRequest">Copy<wbr>Table<wbr>Request</a></dt><dd>Copy table request</dd><dt><a class="struct" href="struct.DeleteRequest.html" title="struct table::requests::DeleteRequest">Delete<wbr>Request</a></dt><dd>Delete (by primary key) request</dd><dt><a class="struct" href="struct.FlushTableRequest.html" title="struct table::requests::FlushTableRequest">Flush<wbr>Table<wbr>Request</a></dt><dt><a class="struct" href="struct.InsertRequest.html" title="struct table::requests::InsertRequest">Insert<wbr>Request</a></dt><dt><a class="struct" href="struct.ModifyColumnTypeRequest.html" title="struct table::requests::ModifyColumnTypeRequest">Modify<wbr>Column<wbr>Type<wbr>Request</a></dt><dd>Change column datatype request</dd><dt><a class="struct" href="struct.SetDefaultRequest.html" title="struct table::requests::SetDefaultRequest">SetDefault<wbr>Request</a></dt><dt><a class="struct" href="struct.TableOptions.html" title="struct table::requests::TableOptions">Table<wbr>Options</a></dt><dt><a class="struct" href="struct.TruncateTableRequest.html" title="struct table::requests::TruncateTableRequest">Truncate<wbr>Table<wbr>Request</a></dt><dd>Truncate table request</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.AlterKind.html" title="enum table::requests::AlterKind">Alter<wbr>Kind</a></dt><dt><a class="enum" href="enum.CopyDirection.html" title="enum table::requests::CopyDirection">Copy<wbr>Direction</a></dt><dt><a class="enum" href="enum.SetIndexOption.html" title="enum table::requests::SetIndexOption">SetIndex<wbr>Option</a></dt><dt><a class="enum" href="enum.UnsetIndexOption.html" title="enum table::requests::UnsetIndexOption">Unset<wbr>Index<wbr>Option</a></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.AUTO_CREATE_TABLE_KEY.html" title="constant table::requests::AUTO_CREATE_TABLE_KEY">AUTO_<wbr>CREATE_<wbr>TABLE_<wbr>KEY</a></dt><dt><a class="constant" href="constant.COMMENT_KEY.html" title="constant table::requests::COMMENT_KEY">COMMENT_<wbr>KEY</a></dt><dt><a class="constant" href="constant.DDL_TIMEOUT.html" title="constant table::requests::DDL_TIMEOUT">DDL_<wbr>TIMEOUT</a></dt><dt><a class="constant" href="constant.DDL_WAIT.html" title="constant table::requests::DDL_WAIT">DDL_<wbr>WAIT</a></dt><dt><a class="constant" href="constant.FILE_TABLE_FORMAT_KEY.html" title="constant table::requests::FILE_TABLE_FORMAT_KEY">FILE_<wbr>TABLE_<wbr>FORMAT_<wbr>KEY</a></dt><dt><a class="constant" href="constant.FILE_TABLE_LOCATION_KEY.html" title="constant table::requests::FILE_TABLE_LOCATION_KEY">FILE_<wbr>TABLE_<wbr>LOCATION_<wbr>KEY</a></dt><dt><a class="constant" href="constant.FILE_TABLE_META_KEY.html" title="constant table::requests::FILE_TABLE_META_KEY">FILE_<wbr>TABLE_<wbr>META_<wbr>KEY</a></dt><dt><a class="constant" href="constant.FILE_TABLE_PATTERN_KEY.html" title="constant table::requests::FILE_TABLE_PATTERN_KEY">FILE_<wbr>TABLE_<wbr>PATTERN_<wbr>KEY</a></dt><dt><a class="constant" href="constant.METADATA_QUALITY_DECLARED.html" title="constant table::requests::METADATA_QUALITY_DECLARED">METADATA_<wbr>QUALITY_<wbr>DECLARED</a></dt><dt><a class="constant" href="constant.METADATA_QUALITY_INFERRED.html" title="constant table::requests::METADATA_QUALITY_INFERRED">METADATA_<wbr>QUALITY_<wbr>INFERRED</a></dt><dt><a class="constant" href="constant.OTLP_METRIC_COMPAT_KEY.html" title="constant table::requests::OTLP_METRIC_COMPAT_KEY">OTLP_<wbr>METRIC_<wbr>COMPAT_<wbr>KEY</a></dt><dt><a class="constant" href="constant.OTLP_METRIC_COMPAT_PROM.html" title="constant table::requests::OTLP_METRIC_COMPAT_PROM">OTLP_<wbr>METRIC_<wbr>COMPAT_<wbr>PROM</a></dt><dt><a class="constant" href="constant.SEMANTIC_LOG_BODY_FORMAT.html" title="constant table::requests::SEMANTIC_LOG_BODY_FORMAT">SEMANTIC_<wbr>LOG_<wbr>BODY_<wbr>FORMAT</a></dt><dd><code>string</code> / <code>json</code> / <code>mixed</code> — how to parse <code>body</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_LOG_SEVERITY_SCHEME.html" title="constant table::requests::SEMANTIC_LOG_SEVERITY_SCHEME">SEMANTIC_<wbr>LOG_<wbr>SEVERITY_<wbr>SCHEME</a></dt><dd><code>otlp</code> / <code>syslog</code> / <code>custom</code> — which mapping to use for <code>severity_number</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_METADATA_QUALITY.html" title="constant table::requests::SEMANTIC_METRIC_METADATA_QUALITY">SEMANTIC_<wbr>METRIC_<wbr>METADATA_<wbr>QUALITY</a></dt><dd><a href="constant.METADATA_QUALITY_DECLARED.html" title="constant table::requests::METADATA_QUALITY_DECLARED"><code>METADATA_QUALITY_DECLARED</code></a> when the protocol stated the type, or
<a href="constant.METADATA_QUALITY_INFERRED.html" title="constant table::requests::METADATA_QUALITY_INFERRED"><code>METADATA_QUALITY_INFERRED</code></a> when guessed from a name suffix.</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_MONOTONIC.html" title="constant table::requests::SEMANTIC_METRIC_MONOTONIC">SEMANTIC_<wbr>METRIC_<wbr>MONOTONIC</a></dt><dd><code>true</code> / <code>false</code> for sum / counter typed data.</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_ORIGINAL_NAME.html" title="constant table::requests::SEMANTIC_METRIC_ORIGINAL_NAME">SEMANTIC_<wbr>METRIC_<wbr>ORIGINAL_<wbr>NAME</a></dt><dd>Pre-translation OTel metric name when the table name was Prometheus-ised.</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_TEMPORALITY.html" title="constant table::requests::SEMANTIC_METRIC_TEMPORALITY">SEMANTIC_<wbr>METRIC_<wbr>TEMPORALITY</a></dt><dd><code>cumulative</code> / <code>delta</code> (OTel only).</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_TYPE.html" title="constant table::requests::SEMANTIC_METRIC_TYPE">SEMANTIC_<wbr>METRIC_<wbr>TYPE</a></dt><dd>Instrument kind: <code>counter</code> / <code>gauge</code> / <code>histogram</code> / <code>summary</code> /
<code>updown_counter</code> / <code>gauge_histogram</code> / <code>info</code> / <code>stateset</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_METRIC_UNIT.html" title="constant table::requests::SEMANTIC_METRIC_UNIT">SEMANTIC_<wbr>METRIC_<wbr>UNIT</a></dt><dd>UCUM unit, e.g. <code>s</code>, <code>By</code>, <code>{request}</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_OPTION_KEYS.html" title="constant table::requests::SEMANTIC_OPTION_KEYS">SEMANTIC_<wbr>OPTION_<wbr>KEYS</a></dt><dd>Every recognised public semantic table-option key. The set is a closed
whitelist: keys under <a href="constant.SEMANTIC_PREFIX.html" title="constant table::requests::SEMANTIC_PREFIX"><code>SEMANTIC_PREFIX</code></a> that are not listed here are rejected,
so an unknown key like <code>greptime.semantic.unknown_key</code> does not silently land
in a table’s options. Adding a key to the vocabulary means adding it here.</dd><dt><a class="constant" href="constant.SEMANTIC_PER_TABLE_INDEX_KEY.html" title="constant table::requests::SEMANTIC_PER_TABLE_INDEX_KEY">SEMANTIC_<wbr>PER_<wbr>TABLE_<wbr>INDEX_<wbr>KEY</a></dt><dd>Internal <code>QueryContext</code> extension key carrying the per-table semantic index
(a <code>{table_name -&gt; {semantic_key: value}}</code> JSON blob) from the ingestion
encode path to the auto-create site. Deliberately OUTSIDE <a href="constant.SEMANTIC_PREFIX.html" title="constant table::requests::SEMANTIC_PREFIX"><code>SEMANTIC_PREFIX</code></a>
so it is not a valid table option and never leaks into a table’s options.</dd><dt><a class="constant" href="constant.SEMANTIC_PIPELINE.html" title="constant table::requests::SEMANTIC_PIPELINE">SEMANTIC_<wbr>PIPELINE</a></dt><dd>Internal ingestion pipeline / data model, e.g. <code>greptime_trace_v1</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_PREFIX.html" title="constant table::requests::SEMANTIC_PREFIX">SEMANTIC_<wbr>PREFIX</a></dt><dd>Reserved prefix for every public semantic table-option key.</dd><dt><a class="constant" href="constant.SEMANTIC_RESOURCE_ATTRIBUTES_DROPPED.html" title="constant table::requests::SEMANTIC_RESOURCE_ATTRIBUTES_DROPPED">SEMANTIC_<wbr>RESOURCE_<wbr>ATTRIBUTES_<wbr>DROPPED</a></dt><dd><code>true</code> / <code>false</code> — whether any resource attribute was dropped at ingest.</dd><dt><a class="constant" href="constant.SEMANTIC_RESOURCE_ATTRIBUTES_PRESERVED.html" title="constant table::requests::SEMANTIC_RESOURCE_ATTRIBUTES_PRESERVED">SEMANTIC_<wbr>RESOURCE_<wbr>ATTRIBUTES_<wbr>PRESERVED</a></dt><dd>JSON array string of resource attributes promoted to first-class columns.</dd><dt><a class="constant" href="constant.SEMANTIC_SCOPE_PRESERVED.html" title="constant table::requests::SEMANTIC_SCOPE_PRESERVED">SEMANTIC_<wbr>SCOPE_<wbr>PRESERVED</a></dt><dd><code>true</code> / <code>false</code> — whether <code>scope.name</code> / <code>scope.version</code> survive on the row.</dd><dt><a class="constant" href="constant.SEMANTIC_SIGNAL_TYPE.html" title="constant table::requests::SEMANTIC_SIGNAL_TYPE">SEMANTIC_<wbr>SIGNAL_<wbr>TYPE</a></dt><dd>Signal kind: one of <a href="constant.SIGNAL_TYPE_TRACE.html" title="constant table::requests::SIGNAL_TYPE_TRACE"><code>SIGNAL_TYPE_TRACE</code></a> / <a href="constant.SIGNAL_TYPE_LOG.html" title="constant table::requests::SIGNAL_TYPE_LOG"><code>SIGNAL_TYPE_LOG</code></a> /
<a href="constant.SIGNAL_TYPE_METRIC.html" title="constant table::requests::SIGNAL_TYPE_METRIC"><code>SIGNAL_TYPE_METRIC</code></a> / <a href="constant.SIGNAL_TYPE_EVENT.html" title="constant table::requests::SIGNAL_TYPE_EVENT"><code>SIGNAL_TYPE_EVENT</code></a>.</dd><dt><a class="constant" href="constant.SEMANTIC_SOURCE.html" title="constant table::requests::SEMANTIC_SOURCE">SEMANTIC_<wbr>SOURCE</a></dt><dd>Ingestion ecosystem, e.g. <a href="constant.SOURCE_OPENTELEMETRY.html" title="constant table::requests::SOURCE_OPENTELEMETRY"><code>SOURCE_OPENTELEMETRY</code></a> / <a href="constant.SOURCE_PROMETHEUS.html" title="constant table::requests::SOURCE_PROMETHEUS"><code>SOURCE_PROMETHEUS</code></a>.</dd><dt><a class="constant" href="constant.SEMANTIC_SOURCE_VERSION.html" title="constant table::requests::SEMANTIC_SOURCE_VERSION">SEMANTIC_<wbr>SOURCE_<wbr>VERSION</a></dt><dd>Optional protocol or SDK version string, e.g. <code>v2</code> (Prom remote write), <code>1.30.0</code>.</dd><dt><a class="constant" href="constant.SEMANTIC_TRACE_CONVENTIONS.html" title="constant table::requests::SEMANTIC_TRACE_CONVENTIONS">SEMANTIC_<wbr>TRACE_<wbr>CONVENTIONS</a></dt><dd>Semantic-conventions version the rows conform to (e.g. <code>otel-semconv-1.27</code>),
or <a href="constant.SEMANTIC_VALUE_UNKNOWN.html" title="constant table::requests::SEMANTIC_VALUE_UNKNOWN"><code>SEMANTIC_VALUE_UNKNOWN</code></a> / <a href="constant.SEMANTIC_VALUE_MIXED.html" title="constant table::requests::SEMANTIC_VALUE_MIXED"><code>SEMANTIC_VALUE_MIXED</code></a> when not single-valued.</dd><dt><a class="constant" href="constant.SEMANTIC_TRACE_HAS_EVENTS.html" title="constant table::requests::SEMANTIC_TRACE_HAS_EVENTS">SEMANTIC_<wbr>TRACE_<wbr>HAS_<wbr>EVENTS</a></dt><dd>Whether <code>span_events</code> are preserved on the table.</dd><dt><a class="constant" href="constant.SEMANTIC_TRACE_HAS_LINKS.html" title="constant table::requests::SEMANTIC_TRACE_HAS_LINKS">SEMANTIC_<wbr>TRACE_<wbr>HAS_<wbr>LINKS</a></dt><dd>Whether <code>span_links</code> are preserved on the table.</dd><dt><a class="constant" href="constant.SEMANTIC_VALUE_MIXED.html" title="constant table::requests::SEMANTIC_VALUE_MIXED">SEMANTIC_<wbr>VALUE_<wbr>MIXED</a></dt><dd>Sentinel for a single-valued key that saw conflicting sources.</dd><dt><a class="constant" href="constant.SEMANTIC_VALUE_UNKNOWN.html" title="constant table::requests::SEMANTIC_VALUE_UNKNOWN">SEMANTIC_<wbr>VALUE_<wbr>UNKNOWN</a></dt><dd>Sentinel for a key that cannot be determined at stamp time.</dd><dt><a class="constant" href="constant.SIGNAL_TYPE_EVENT.html" title="constant table::requests::SIGNAL_TYPE_EVENT">SIGNAL_<wbr>TYPE_<wbr>EVENT</a></dt><dt><a class="constant" href="constant.SIGNAL_TYPE_LOG.html" title="constant table::requests::SIGNAL_TYPE_LOG">SIGNAL_<wbr>TYPE_<wbr>LOG</a></dt><dt><a class="constant" href="constant.SIGNAL_TYPE_METRIC.html" title="constant table::requests::SIGNAL_TYPE_METRIC">SIGNAL_<wbr>TYPE_<wbr>METRIC</a></dt><dt><a class="constant" href="constant.SIGNAL_TYPE_TRACE.html" title="constant table::requests::SIGNAL_TYPE_TRACE">SIGNAL_<wbr>TYPE_<wbr>TRACE</a></dt><dt><a class="constant" href="constant.SKIP_WAL_KEY.html" title="constant table::requests::SKIP_WAL_KEY">SKIP_<wbr>WAL_<wbr>KEY</a></dt><dt><a class="constant" href="constant.SOURCE_OPENTELEMETRY.html" title="constant table::requests::SOURCE_OPENTELEMETRY">SOURCE_<wbr>OPENTELEMETRY</a></dt><dt><a class="constant" href="constant.SOURCE_PROMETHEUS.html" title="constant table::requests::SOURCE_PROMETHEUS">SOURCE_<wbr>PROMETHEUS</a></dt><dt><a class="constant" href="constant.STORAGE_KEY.html" title="constant table::requests::STORAGE_KEY">STORAGE_<wbr>KEY</a></dt><dt><a class="constant" href="constant.TABLE_DATA_MODEL.html" title="constant table::requests::TABLE_DATA_MODEL">TABLE_<wbr>DATA_<wbr>MODEL</a></dt><dt><a class="constant" href="constant.TABLE_DATA_MODEL_TRACE_V1.html" title="constant table::requests::TABLE_DATA_MODEL_TRACE_V1">TABLE_<wbr>DATA_<wbr>MODEL_<wbr>TRACE_<wbr>V1</a></dt><dt><a class="constant" href="constant.TRACE_TABLE_PARTITIONS_HINT_KEY.html" title="constant table::requests::TRACE_TABLE_PARTITIONS_HINT_KEY">TRACE_<wbr>TABLE_<wbr>PARTITIONS_<wbr>HINT_<wbr>KEY</a></dt><dt><a class="constant" href="constant.TTL_KEY.html" title="constant table::requests::TTL_KEY">TTL_KEY</a></dt><dt><a class="constant" href="constant.VALID_DDL_OPTION_KEYS.html" title="constant table::requests::VALID_DDL_OPTION_KEYS">VALID_<wbr>DDL_<wbr>OPTION_<wbr>KEYS</a></dt><dt><a class="constant" href="constant.VALID_TABLE_OPTION_KEYS.html" title="constant table::requests::VALID_TABLE_OPTION_KEYS">VALID_<wbr>TABLE_<wbr>OPTION_<wbr>KEYS</a></dt><dt><a class="constant" href="constant.WRITE_BUFFER_SIZE_KEY.html" title="constant table::requests::WRITE_BUFFER_SIZE_KEY">WRITE_<wbr>BUFFER_<wbr>SIZE_<wbr>KEY</a></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.VALID_DB_OPT_KEYS.html" title="static table::requests::VALID_DB_OPT_KEYS">VALID_<wbr>DB_<wbr>OPT_<wbr>KEYS</a><span title="Restricted Visibility">&nbsp;🔒</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.is_semantic_option_key.html" title="fn table::requests::is_semantic_option_key">is_<wbr>semantic_<wbr>option_<wbr>key</a></dt><dd>Returns true if <code>key</code> is a recognised semantic table-option key (whitelist).</dd><dt><a class="fn" href="fn.validate_database_option.html" title="fn table::requests::validate_database_option">validate_<wbr>database_<wbr>option</a></dt><dd>Returns true if the <code>key</code> is a valid key for database.</dd><dt><a class="fn" href="fn.validate_semantic_option.html" title="fn table::requests::validate_semantic_option">validate_<wbr>semantic_<wbr>option</a></dt><dd>Validates a <code>greptime.semantic.*</code> option’s <code>value</code> against its allowed domain.</dd><dt><a class="fn" href="fn.validate_table_option.html" title="fn table::requests::validate_table_option">validate_<wbr>table_<wbr>option</a></dt><dd>Returns true if the <code>key</code> is a valid key for any engine or storage.</dd></dl></section></div></main></body></html>
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