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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-64645] Add a query knob to disable covered scans of null range</title>
                <link>https://jira.mongodb.org/browse/SERVER-64645</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The fix for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-23229&quot; title=&quot;Projection incorrectly returns null value instead of missing field to user if projection is covered&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-23229&quot;&gt;SERVER-23229&lt;/a&gt; is really to update the index to distinguish the two values. Until then a fix would come with performance ramifications. As a mitigation (and to help some of our test infrastructure), we could add a query knob to disable the covered index scans when they lead to incorrect behavior.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2004674">SERVER-64645</key>
            <summary>Add a query knob to disable covered scans of null range</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
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                <created>Fri, 18 Mar 2022 18:22:04 +0000</created>
                <updated>Fri, 20 Oct 2023 02:07:09 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="5025573" author="charlie.swanson" created="Fri, 2 Dec 2022 16:04:33 +0000"  >&lt;p&gt;I&apos;m moving this back to the backlog state since I haven&apos;t gotten around to it at the bottom of my TODO list for quite some time. I&apos;ve had no reason to prioritize it really since the BF it&apos;s linked to is pretty quiet of late. If someone finds a reason to do this later, don&apos;t hesitate to reach out! Still seems like a reasonable idea.&lt;/p&gt;</comment>
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