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    <title>MongoDB Jira</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[COMPASS-7043] Investigate changes in PM-3270: Window Function Support in SBE</title>
                <link>https://jira.mongodb.org/browse/COMPASS-7043</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    Explain output will show $setWindowFields is now executed in SBE.&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
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&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;

&lt;p&gt;Implement window function support in Nebari.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;div class=&quot;panel&quot; style=&quot;background-color: #e3fcf7;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #e3fcf7;&quot;&gt;
&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;

&lt;p&gt;window function is an important analytical feature which was implemented in MongoDB server 5.0.&#160; This project will implement the existing window function support in Nebari, with comparable or superior performance to the classic engine.&lt;/p&gt;

&lt;p&gt;Note: New window functions features are not included as part of this project.&lt;/p&gt;

&lt;p&gt;A model to compute windows in SBE is prototyped &lt;a href=&quot;https://docs.google.com/presentation/d/1zR2EiMRJmNP-XJEoXBOVZlPbQAUvEwV8q7l27KDyztk/edit&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;
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&lt;p&gt;Product Description&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1CgLLkjHNi8IJTzdox1cwpTG36WKIBEQ3dHqulKb9aV8/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1fyJmYQyHJ4BnsNwLmY6IIQHAmpI550KzIr9eUwo7ntU/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://docs.google.com/document/d/1p8sK29V_H6OsY9j2pXdmVjE8u2TL1gsizZtTSVdcRMU/edit?usp=drivesdk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Docs Update&lt;/a&gt;&lt;/p&gt;
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</description>
                <environment></environment>
        <key id="2399885">COMPASS-7043</key>
            <summary>Investigate changes in PM-3270: Window Function Support in SBE</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
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                <created>Tue, 25 Jul 2023 07:58:38 +0000</created>
                <updated>Fri, 19 Jan 2024 14:00:03 +0000</updated>
                            <resolved>Fri, 19 Jan 2024 14:00:03 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="6025534" author="JIRAUSER1256529" created="Fri, 19 Jan 2024 14:00:03 +0000"  >&lt;p&gt;Should not have direct DevTools impact.&lt;/p&gt;</comment>
                            <comment id="5953738" author="dbeng-pm-bot" created="Fri, 15 Dec 2023 15:47:44 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-3270:&lt;/em&gt; &lt;br/&gt;
7.3.0-rc0&lt;/p&gt;</comment>
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