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    <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>[SERVER-64164] MultipleCollectionAccessor::getSecondaryCollectionVector should return secondary collections that the constructed plan uses</title>
                <link>https://jira.mongodb.org/browse/SERVER-64164</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently MultipleCollectionAccessor::getSecondaryCollectionVector returns &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d53632893e0a3915a63e54fa48b55813636eea0b/src/mongo/db/query/multiple_collection_accessor.h#L86-L92&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;a vector of all foreign namespaces&lt;/a&gt; involved in the pipeline that we are attempting to push down. However, it is not guaranteed that all foreign namespaces will be used in the plan that we are constructing (i.e. the case where a subset of all $lookups are pushed down). Given that we drop locks and reacquire them in DocumentSourceCursor, it is important that we only lock the collections that are involved in the plan. As such,&#160;MultipleCollectionAccessor::getSecondaryCollectionVector should be updated to return the secondary collections that the plan uses.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1993966">SERVER-64164</key>
            <summary>MultipleCollectionAccessor::getSecondaryCollectionVector should return secondary collections that the constructed plan uses</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="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="mihai.andrei@mongodb.com">Mihai Andrei</assignee>
                                    <reporter username="mihai.andrei@mongodb.com">Mihai Andrei</reporter>
                        <labels>
                    </labels>
                <created>Thu, 3 Mar 2022 16:07:24 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:41 +0000</updated>
                            <resolved>Fri, 11 Mar 2022 17:44:48 +0000</resolved>
                                                    <fixVersion>6.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4407041" author="xgen-internal-githook" created="Fri, 11 Mar 2022 17:27:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@10gen.com&apos;, &apos;username&apos;: &apos;mtandrei&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64164&quot; title=&quot;MultipleCollectionAccessor::getSecondaryCollectionVector should return secondary collections that the constructed plan uses&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64164&quot;&gt;&lt;del&gt;SERVER-64164&lt;/del&gt;&lt;/a&gt; Track secondary namespaces used by query plan in PlanExecutorSBE&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5cb71ebbfc5db3f1457fdb2512e74c753870af6f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5cb71ebbfc5db3f1457fdb2512e74c753870af6f&lt;/a&gt;&lt;/p&gt;</comment>
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