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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31748] Allow $count/$size in $graphLookup</title>
                <link>https://jira.mongodb.org/browse/SERVER-31748</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There are many times that you don&apos;t need to retrieve the documents from a graphLookup, you only want the number of resulting documents after performing the graphLookup stage, you are throwing away capacity in the process, if you after the graphLookup are going to do a $size operation. &lt;/p&gt;

&lt;p&gt;If the graphLookup could resolve in a number being this number the count of the resulting documents, could be way more easy to retrieve the needed data without having to use so many resources.&lt;/p&gt;</description>
                <environment></environment>
        <key id="451891">SERVER-31748</key>
            <summary>Allow $count/$size in $graphLookup</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="jgl">Jose</reporter>
                        <labels>
                    </labels>
                <created>Fri, 27 Oct 2017 13:59:34 +0000</created>
                <updated>Tue, 6 Dec 2022 03:48:03 +0000</updated>
                                                                            <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="1711503" author="james.wahlin@10gen.com" created="Fri, 27 Oct 2017 19:09:35 +0000"  >&lt;p&gt;Hi Jose,&lt;/p&gt;

&lt;p&gt;The feature you request will be available for $lookup in MongoDB 3.6 and can be tested in our 3.6.1-rc1 release candidate. We are introducing a new $lookup syntax that lets you specify your own foreign pipeline syntax. You can learn more about on the following page:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://docs.mongodb.com/master/reference/operator/aggregation/lookup/#join-conditions-and-uncorrelated-sub-queries&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/master/reference/operator/aggregation/lookup/#join-conditions-and-uncorrelated-sub-queries&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Given this I am going to narrow the scope of this feature request to $graphLookup, which does not yet have this capability and won&apos;t for 3.6.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
James&lt;/p&gt;</comment>
                            <comment id="1711416" author="mark.agarunov" created="Fri, 27 Oct 2017 18:09:49 +0000"  >&lt;p&gt;Hello &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jgl&quot; class=&quot;user-hover&quot; rel=&quot;jgl&quot;&gt;jgl&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thank you for the detailed description. I&apos;ve set the fixVersion to &quot;Needs Triage&quot; for this new feature to be scheduled against our currently planned work. Updates will be posted on this ticket as they happen.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Mark&lt;/p&gt;</comment>
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