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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 `optimizer` mod in crate `query`."><title>query::optimizer - 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 optimizer</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.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module optimizer</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="#traits" title="Traits">Traits</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>optimizer</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/optimizer.rs.html#15-45">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="constant_term/index.html" title="mod query::optimizer::constant_term">constant_<wbr>term</a></dt><dt><a class="mod" href="count_wildcard/index.html" title="mod query::optimizer::count_wildcard">count_<wbr>wildcard</a></dt><dt><a class="mod" href="parallelize_scan/index.html" title="mod query::optimizer::parallelize_scan">parallelize_<wbr>scan</a></dt><dt><a class="mod" href="pass_distribution/index.html" title="mod query::optimizer::pass_distribution">pass_<wbr>distribution</a></dt><dt><a class="mod" href="remove_duplicate/index.html" title="mod query::optimizer::remove_duplicate">remove_<wbr>duplicate</a></dt><dt><a class="mod" href="scan_hint/index.html" title="mod query::optimizer::scan_hint">scan_<wbr>hint</a></dt><dt><a class="mod" href="string_normalization/index.html" title="mod query::optimizer::string_normalization">string_<wbr>normalization</a></dt><dt><a class="mod" href="transcribe_atat/index.html" title="mod query::optimizer::transcribe_atat">transcribe_<wbr>atat</a></dt><dt><a class="mod" href="type_conversion/index.html" title="mod query::optimizer::type_conversion">type_<wbr>conversion</a></dt><dt><a class="mod" href="windowed_sort/index.html" title="mod query::optimizer::windowed_sort">windowed_<wbr>sort</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.ExtensionAnalyzerRule.html" title="trait query::optimizer::ExtensionAnalyzerRule">Extension<wbr>Analyzer<wbr>Rule</a></dt><dd><a href="trait.ExtensionAnalyzerRule.html" title="trait query::optimizer::ExtensionAnalyzerRule"><code>ExtensionAnalyzerRule</code></a>s transform [<code>LogicalPlan</code>]s in some way to make
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the plan valid prior to the rest of the DataFusion optimization process.
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It’s an extension of datafusion [<code>AnalyzerRule</code>]s but accepts <a href="../query_engine/struct.QueryEngineContext.html" title="struct query::query_engine::QueryEngineContext"><code>QueryEngineContext</code></a> as the second parameter.</dd></dl></section></div></main></body></html> |