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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 `aggr_over_time` mod in crate `promql`."><title>promql::functions::aggr_over_time - 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="promql" 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 aggr_over_time</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../promql/index.html">promql</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module aggr_<wbr>over_<wbr>time</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 promql::<wbr>functions</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">promql</a>::<wbr><a href="../index.html">functions</a></div><h1>Module <span>aggr_<wbr>over_<wbr>time</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/promql/functions/aggr_over_time.rs.html#15-498">Source</a> </span></div><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.AbsentOverTime.html" title="struct promql::functions::aggr_over_time::AbsentOverTime">Absent<wbr>Over<wbr>Time</a></dt><dd>absent_over_time returns an empty vector if the range vector passed to it has any
elements (floats or native histograms) and a 1-element vector with the value 1 if
the range vector passed to it has no elements.</dd><dt><a class="struct" href="struct.AvgOverTime.html" title="struct promql::functions::aggr_over_time::AvgOverTime">AvgOver<wbr>Time</a></dt><dd>The average value of all points in the specified interval.</dd><dt><a class="struct" href="struct.CountOverTime.html" title="struct promql::functions::aggr_over_time::CountOverTime">Count<wbr>Over<wbr>Time</a></dt><dd>The count of all values in the specified interval.</dd><dt><a class="struct" href="struct.LastOverTime.html" title="struct promql::functions::aggr_over_time::LastOverTime">Last<wbr>Over<wbr>Time</a></dt><dd>The most recent point value in specified interval.</dd><dt><a class="struct" href="struct.MaxOverTime.html" title="struct promql::functions::aggr_over_time::MaxOverTime">MaxOver<wbr>Time</a></dt><dd>The maximum value of all points in the specified interval.</dd><dt><a class="struct" href="struct.MinOverTime.html" title="struct promql::functions::aggr_over_time::MinOverTime">MinOver<wbr>Time</a></dt><dd>The minimum value of all points in the specified interval.</dd><dt><a class="struct" href="struct.PresentOverTime.html" title="struct promql::functions::aggr_over_time::PresentOverTime">Present<wbr>Over<wbr>Time</a></dt><dd>the value 1 for any series in the specified interval.</dd><dt><a class="struct" href="struct.StddevOverTime.html" title="struct promql::functions::aggr_over_time::StddevOverTime">Stddev<wbr>Over<wbr>Time</a></dt><dd>the population standard deviation of the values in the specified interval.
Prometheus’s implementation: <a href="https://github.com/prometheus/prometheus/blob/f55ab2217984770aa1eecd0f2d5f54580029b1c0/promql/functions.go#L556-L569">https://github.com/prometheus/prometheus/blob/f55ab2217984770aa1eecd0f2d5f54580029b1c0/promql/functions.go#L556-L569</a></dd><dt><a class="struct" href="struct.StdvarOverTime.html" title="struct promql::functions::aggr_over_time::StdvarOverTime">Stdvar<wbr>Over<wbr>Time</a></dt><dd>the population standard variance of the values in the specified interval.
DataFusion’s implementation:
<a href="https://github.com/apache/arrow-datafusion/blob/292eb954fc0bad3a1febc597233ba26cb60bda3e/datafusion/physical-expr/src/aggregate/variance.rs#L224-#L241">https://github.com/apache/arrow-datafusion/blob/292eb954fc0bad3a1febc597233ba26cb60bda3e/datafusion/physical-expr/src/aggregate/variance.rs#L224-#L241</a></dd><dt><a class="struct" href="struct.SumOverTime.html" title="struct promql::functions::aggr_over_time::SumOverTime">SumOver<wbr>Time</a></dt><dd>The sum of all values in the specified interval.</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.absent_over_time.html" title="fn promql::functions::aggr_over_time::absent_over_time">absent_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.avg_over_time.html" title="fn promql::functions::aggr_over_time::avg_over_time">avg_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.count_over_time.html" title="fn promql::functions::aggr_over_time::count_over_time">count_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.last_over_time.html" title="fn promql::functions::aggr_over_time::last_over_time">last_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.max_over_time.html" title="fn promql::functions::aggr_over_time::max_over_time">max_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.min_over_time.html" title="fn promql::functions::aggr_over_time::min_over_time">min_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.present_over_time.html" title="fn promql::functions::aggr_over_time::present_over_time">present_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.stddev_over_time.html" title="fn promql::functions::aggr_over_time::stddev_over_time">stddev_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.stdvar_over_time.html" title="fn promql::functions::aggr_over_time::stdvar_over_time">stdvar_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt><dt><a class="fn" href="fn.sum_over_time.html" title="fn promql::functions::aggr_over_time::sum_over_time">sum_<wbr>over_<wbr>time</a><span title="Restricted Visibility">&nbsp;🔒</span> </dt></dl></section></div></main></body></html>
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