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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-69112] Allow SBE to be used on the inner side of a DocumentSourceLookup</title>
                <link>https://jira.mongodb.org/browse/SERVER-69112</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69103&quot; title=&quot;Disable use of SBE on the inner side of DocumentSourceLookup&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69103&quot;&gt;&lt;del&gt;SERVER-69103&lt;/del&gt;&lt;/a&gt; proposes a change to always use the classic engine for queries issued recursively by &lt;tt&gt;DocumentSourceLookup&lt;/tt&gt;. In the long run, as SBE becomes more mature and more performant, we may want to re-enable the ability for it to be used on the inner side of a &lt;tt&gt;DocumentSourceLookup&lt;/tt&gt;. Note that this only applies to $lookup operations which execute inside the &lt;tt&gt;DocumentSource&lt;/tt&gt; engine, not to those which are pushed down entirely to SBE or potentially those which are handled by the Bonsai optimizer in the future.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2121263">SERVER-69112</key>
            <summary>Allow SBE to be used on the inner side of a DocumentSourceLookup</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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-execution">Backlog - Query Execution</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
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                <created>Wed, 24 Aug 2022 15:40:08 +0000</created>
                <updated>Mon, 5 Dec 2022 23:48:40 +0000</updated>
                                                                            <component>Query Execution</component>
                                        <votes>0</votes>
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