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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-7456] Investigate changes in SERVER-79848: Difference in behavior of $_resumeAfter between classic and SBE engines</title>
                <link>https://jira.mongodb.org/browse/COMPASS-7456</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&gt;
&lt;p&gt;    This patch makes it so that both the classic engine and SBE obey the following semantics for the $_requestResumeToken and $_resumeAfter  query options:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;For $_requestResumeToken,  &apos;null&apos; is returned as the resumeToken after scanning the last document in a collection (prior to this patch, SBE would return the record id of the last document).&lt;/li&gt;
	&lt;li&gt;When a null RecordId is specified to $_resumeAfter, we raise a KeyNotFound error (prior to this patch, the classic engine would restart the scan from the beginning).
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
&lt;p&gt;    When resuming from the last record in a collection, the classic engine returns resume token {&quot;$recordId&quot; : null} and SBE returns the last record.&lt;br/&gt;
Resuming from {&quot;$recordId&quot; : null} in the classic record cycles back to the start of the collection and raises &quot;KeyNotFound&quot; error in SBE.&lt;/p&gt;&lt;/li&gt;
&lt;/ul&gt;

</description>
                <environment></environment>
        <key id="2500330">COMPASS-7456</key>
            <summary>Investigate changes in SERVER-79848: Difference in behavior of $_resumeAfter between classic and SBE engines</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>
                    </labels>
                <created>Wed, 15 Nov 2023 02:05:12 +0000</created>
                <updated>Mon, 29 Jan 2024 12:50:21 +0000</updated>
                            <resolved>Mon, 29 Jan 2024 12:50:21 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="6048663" author="JIRAUSER1256529" created="Mon, 29 Jan 2024 12:50:21 +0000"  >&lt;p&gt;No client-side impact according to DRIVERS-2777&lt;/p&gt;</comment>
                            <comment id="5892768" author="dbeng-pm-bot" created="Mon, 20 Nov 2023 16:47:52 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79848&quot; title=&quot;Difference in behavior of $_resumeAfter between classic and SBE engines&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79848&quot;&gt;&lt;del&gt;SERVER-79848&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
7.3.0-rc0, 7.2.0-rc2&lt;/p&gt;</comment>
                            <comment id="5880881" author="dbeng-pm-bot" created="Wed, 15 Nov 2023 02:05:30 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79848&quot; title=&quot;Difference in behavior of $_resumeAfter between classic and SBE engines&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79848&quot;&gt;&lt;del&gt;SERVER-79848&lt;/del&gt;&lt;/a&gt;:&lt;/em&gt; &lt;br/&gt;
7.3.0-rc0&lt;/p&gt;</comment>
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