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    <title>MongoDB Jira</title>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-58428] Implement grafting of post-multiplan tree onto multiplan candidates</title>
                <link>https://jira.mongodb.org/browse/SERVER-58428</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Multi-planning for queries with $group or $lookup in the find() layer will work as follows:&lt;br/&gt;
1) Run all of the &apos;multiplanned&apos; candidate plans and choose the winner, using the existing infrastructure.&lt;br/&gt;
2) Stitch the &apos;postMultiPlan&apos; tree on top of the QSN of the winning plan.&lt;br/&gt;
3) Build an execution tree for this new QSN tree.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1815185">SERVER-58428</key>
            <summary>Implement grafting of post-multiplan tree onto multiplan candidates</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13201">Fixed</resolution>
                                        <assignee username="irina.yatsenko@mongodb.com">Irina Yatsenko</assignee>
                                    <reporter username="ian.boros@mongodb.com">Ian Boros</reporter>
                        <labels>
                    </labels>
                <created>Mon, 12 Jul 2021 14:37:33 +0000</created>
                <updated>Sun, 29 Oct 2023 21:51:05 +0000</updated>
                            <resolved>Fri, 10 Sep 2021 18:33:06 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4107751" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:35:21 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="4050505" author="xgen-internal-githook" created="Fri, 10 Sep 2021 18:11:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Eric Cox&apos;, &apos;email&apos;: &apos;eric.cox@mongodb.com&apos;, &apos;username&apos;: &apos;ericox&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58428&quot; title=&quot;Implement grafting of post-multiplan tree onto multiplan candidates&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58428&quot;&gt;&lt;del&gt;SERVER-58428&lt;/del&gt;&lt;/a&gt; Combine $group solution nodes and the winning plan into single solution&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8cf8e390e760657ac0405d3c2fd4ea931a3e3ab0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8cf8e390e760657ac0405d3c2fd4ea931a3e3ab0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4021912" author="ian.boros" created="Wed, 25 Aug 2021 15:01:38 +0000"  >&lt;p&gt;Moving this to the backlog as I don&apos;t expect to get it to it before moving to storage exec.&lt;/p&gt;</comment>
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