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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="Time window expr and helper functions"><title>flow::batching_mode::time_window - 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 time_window</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 time_<wbr>window</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="#constants" title="Constants">Constants</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>time_<wbr>window</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/time_window.rs.html#15-951">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Time window expr and helper functions</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.TimeWindowExpr.html" title="struct flow::batching_mode::time_window::TimeWindowExpr">Time<wbr>Window<wbr>Expr</a></dt><dd>Time window expr like <code>date_bin(INTERVAL '1' MINUTE, ts)</code>, this type help with
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evaluating the expr using given timestamp</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.DEFAULT_TEST_TIMESTAMP.html" title="constant flow::batching_mode::time_window::DEFAULT_TEST_TIMESTAMP">DEFAULT_<wbr>TEST_<wbr>TIMESTAMP</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Represents a test timestamp in seconds since the Unix epoch.</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.binary_search_expr.html" title="fn flow::batching_mode::time_window::binary_search_expr">binary_<wbr>search_<wbr>expr</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.calc_expr_time_window_lower_bound.html" title="fn flow::batching_mode::time_window::calc_expr_time_window_lower_bound">calc_<wbr>expr_<wbr>time_<wbr>window_<wbr>lower_<wbr>bound</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Find the lower bound of time window in given <code>expr</code> and <code>current</code> timestamp.</dd><dt><a class="fn" href="fn.columnar_to_ts_vector.html" title="fn flow::batching_mode::time_window::columnar_to_ts_vector">columnar_<wbr>to_<wbr>ts_<wbr>vector</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Convert <code>ColumnarValue</code> to <code>Vec<Option<Timestamp>></code></dd><dt><a class="fn" href="fn.create_df_schema_for_ts_column.html" title="fn flow::batching_mode::time_window::create_df_schema_for_ts_column">create_<wbr>df_<wbr>schema_<wbr>for_<wbr>ts_<wbr>column</a><span title="Restricted Visibility"> 🔒</span> </dt><dt><a class="fn" href="fn.eval_phy_time_window_expr.html" title="fn flow::batching_mode::time_window::eval_phy_time_window_expr">eval_<wbr>phy_<wbr>time_<wbr>window_<wbr>expr</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Expect the <code>phy</code> expression only have one input column with Timestamp type, and also return Timestamp type</dd><dt><a class="fn" href="fn.find_time_window_expr.html" title="fn flow::batching_mode::time_window::find_time_window_expr">find_<wbr>time_<wbr>window_<wbr>expr</a></dt><dd>Return (<code>the column name of time index column</code>, <code>the time window expr</code>, <code>the expected time unit of time index column</code>, <code>the expr's schema for evaluating the time window</code>)</dd><dt><a class="fn" href="fn.probe_expr_time_window_upper_bound.html" title="fn flow::batching_mode::time_window::probe_expr_time_window_upper_bound">probe_<wbr>expr_<wbr>time_<wbr>window_<wbr>upper_<wbr>bound</a><span title="Restricted Visibility"> 🔒</span> </dt><dd>Probe for the upper bound for time window expression</dd><dt><a class="fn" href="fn.to_phy_expr.html" title="fn flow::batching_mode::time_window::to_phy_expr">to_<wbr>phy_<wbr>expr</a><span title="Restricted Visibility"> 🔒</span> </dt></dl></section></div></main></body></html> |