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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 `query_engine` mod in crate `query`."><title>query::query_engine - 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="query" 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 query_engine</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../query/index.html">query</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 query_<wbr>engine</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="#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 class="in-crate"><a href="../index.html">In crate query</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">query</a></div><h1>Module <span>query_<wbr>engine</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/query/query_engine.rs.html#15-200">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="context/index.html" title="mod query::query_engine::context">context</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="mod" href="default_serializer/index.html" title="mod query::query_engine::default_serializer">default_<wbr>serializer</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="mod" href="options/index.html" title="mod query::query_engine::options">options</a></dt><dt><a class="mod" href="state/index.html" title="mod query::query_engine::state">state</a><span title="Restricted Visibility"> 🔒</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.DefaultPlanDecoder.html" title="struct query::query_engine::DefaultPlanDecoder">Default<wbr>Plan<wbr>Decoder</a></dt><dd>The datafusion <code>[LogicalPlan]</code> decoder.</dd><dt><a class="struct" href="struct.DefaultSerializer.html" title="struct query::query_engine::DefaultSerializer">Default<wbr>Serializer</a></dt><dd>Extended <a href="../../substrait/extension_serializer/struct.ExtensionSerializer.html" title="struct substrait::extension_serializer::ExtensionSerializer"><code>substrait::extension_serializer::ExtensionSerializer</code></a> but supports <a href="../dist_plan/struct.MergeScanLogicalPlan.html" title="struct query::dist_plan::MergeScanLogicalPlan"><code>MergeScanLogicalPlan</code></a> serialization.</dd><dt><a class="struct" href="struct.DescribeResult.html" title="struct query::query_engine::DescribeResult">Describe<wbr>Result</a></dt><dd>Describe statement result</dd><dt><a class="struct" href="struct.QueryEngineContext.html" title="struct query::query_engine::QueryEngineContext">Query<wbr>Engine<wbr>Context</a></dt><dt><a class="struct" href="struct.QueryEngineFactory.html" title="struct query::query_engine::QueryEngineFactory">Query<wbr>Engine<wbr>Factory</a></dt><dt><a class="struct" href="struct.QueryEngineState.html" title="struct query::query_engine::QueryEngineState">Query<wbr>Engine<wbr>State</a></dt><dd>Query engine global state</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.QueryEngine.html" title="trait query::query_engine::QueryEngine">Query<wbr>Engine</a></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.register_functions.html" title="fn query::query_engine::register_functions">register_<wbr>functions</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Register all functions implemented by GreptimeDB</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.QueryEngineRef.html" title="type query::query_engine::QueryEngineRef">Query<wbr>Engine<wbr>Ref</a></dt></dl></section></div></main></body></html> |