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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="some utils for helping with batching mode"><title>flow::batching_mode::utils - 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="flow" 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 utils</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../flow/index.html">flow</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 utils</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="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In flow::<wbr>batching_<wbr>mode</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">flow</a>::<wbr><a href="../index.html">batching_mode</a></div><h1>Module <span>utils</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/flow/batching_mode/utils.rs.html#15-809">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>some utils for helping with batching mode</p>
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</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.AddFilterRewriter.html" title="struct flow::batching_mode::utils::AddFilterRewriter">AddFilter<wbr>Rewriter</a></dt><dd>Find out the <code>Filter</code> Node corresponding to innermost(deepest) <code>WHERE</code> and add a new filter expr to it</dd><dt><a class="struct" href="struct.ColumnMatcherRewriter.html" title="struct flow::batching_mode::utils::ColumnMatcherRewriter">Column<wbr>Matcher<wbr>Rewriter</a></dt><dd>Optionally add to the final select columns like <code>update_at</code> if the sink table has such column
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(which doesn’t necessary need to have exact name just need to be a extra timestamp column)
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and <code>__ts_placeholder</code>(this column need to have exact this name and be a timestamp)
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with values like <code>now()</code> and <code>0</code></dd><dt><a class="struct" href="struct.FindGroupByFinalName.html" title="struct flow::batching_mode::utils::FindGroupByFinalName">Find<wbr>Group<wbr>ByFinal<wbr>Name</a></dt><dd>Helper to find the innermost group by expr in schema, return None if no group by expr</dd></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.df_plan_to_sql.html" title="fn flow::batching_mode::utils::df_plan_to_sql">df_<wbr>plan_<wbr>to_<wbr>sql</a></dt><dt><a class="fn" href="fn.gen_plan_with_matching_schema.html" title="fn flow::batching_mode::utils::gen_plan_with_matching_schema">gen_<wbr>plan_<wbr>with_<wbr>matching_<wbr>schema</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Generate a plan that matches the schema of the sink table
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from given sql by alias and adding auto columns</dd><dt><a class="fn" href="fn.get_table_info_df_schema.html" title="fn flow::batching_mode::utils::get_table_info_df_schema">get_<wbr>table_<wbr>info_<wbr>df_<wbr>schema</a></dt><dt><a class="fn" href="fn.sql_to_df_plan.html" title="fn flow::batching_mode::utils::sql_to_df_plan">sql_<wbr>to_<wbr>df_<wbr>plan</a></dt><dd>Convert sql to datafusion logical plan
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Also support TQL (but only Eval not Explain or Analyze)</dd></dl></section></div></main></body></html> |