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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-42337] Use better join algorithms for $lookup</title>
                <link>https://jira.mongodb.org/browse/SERVER-42337</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We should probably use better join algorithms (e.g. hash join/sort-merge join) where appropriate.&lt;/p&gt;</description>
                <environment></environment>
        <key id="870439">SERVER-42337</key>
            <summary>Use better join algorithms for $lookup</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
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                        <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="samuel.mercier@mongodb.com">Sam Mercier</reporter>
                        <labels>
                            <label>bonsai</label>
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                <created>Mon, 22 Jul 2019 20:37:10 +0000</created>
                <updated>Tue, 6 Dec 2022 02:53:03 +0000</updated>
                                                                                                <votes>3</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4376847" author="david.storch" created="Fri, 25 Feb 2022 14:41:55 +0000"  >&lt;p&gt;Re-opening this ticket. This is something that we do intend to implement, and are starting on now with the project to execute some $lookup stages in SBE. We probably would schedule this work under different tickets related to projects in the Common Query Framework initiative, but it still makes sense to leave this ticket open for tracking purposes.&lt;/p&gt;</comment>
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