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    <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>[DOCS-14338] Investigate changes in SERVER-54907: Add translation logic for $derivative executor</title>
                <link>https://jira.mongodb.org/browse/DOCS-14338</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;

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&lt;p&gt;    ($derivative is new in 5.0 as part of the Window Functions project, so this is a breaking change only for internal users.)&lt;/p&gt;

&lt;p&gt;We made a small syntax change vs the Syntax doc: $derivative requires an explicit &apos;window&apos; argument.  Other window functions that accept a &apos;window&apos; default to &lt;span class=&quot;error&quot;&gt;&amp;#91;unbounded, unbounded&amp;#93;&lt;/span&gt;, but we thought this might be confusing default for $derivative.&lt;/p&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
&lt;p&gt;    &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54233&quot; title=&quot;Implement $derivative accumulator-only class&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54233&quot;&gt;&lt;del&gt;SERVER-54233&lt;/del&gt;&lt;/a&gt; adds a new executor type for $derivative, but its not currently hooked up to the front end. The two main tasks for this ticket are to (1) register a $derivative parser and parse tree representation (window_function::Expression) and (2) build the new executor when appropriate. Then we should be able to write JS tests for the derivative function as well.&lt;/p&gt;


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        <key id="1672470">DOCS-14338</key>
            <summary>Investigate changes in SERVER-54907: Add translation logic for $derivative executor</summary>
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                                            <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="jason.price@mongodb.com">Jason Price</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Wed, 7 Apr 2021 01:47:44 +0000</created>
                <updated>Mon, 13 Nov 2023 17:56:18 +0000</updated>
                            <resolved>Wed, 9 Jun 2021 22:02:59 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
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