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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-25584] $facet and $bucket stages do not ensure they are run on the merging shard</title>
                <link>https://jira.mongodb.org/browse/SERVER-25584</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As an oversight in the initial implementation, &lt;tt&gt;DocumentSourceFacet&lt;/tt&gt; does not inherit from &lt;tt&gt;SplittableDocumentSource&lt;/tt&gt;, failing to signal that it is special and needs to be run on the merging shard. The same problem affects $bucketAuto.&lt;/p&gt;

&lt;p&gt;This was failed to be caught because the integration test which runs $facets against a sharded cluster only does so when the collection is not sharded: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.3.10/jstests/aggregation/sources/facet/use_cases.js#L102&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/r3.3.10/jstests/aggregation/sources/facet/use_cases.js#L102&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="308649">SERVER-25584</key>
            <summary>$facet and $bucket stages do not ensure they are run on the merging shard</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="9">Done</resolution>
                                        <assignee username="charlie.swanson@mongodb.com">Charlie Swanson</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                    </labels>
                <created>Fri, 12 Aug 2016 18:24:39 +0000</created>
                <updated>Fri, 2 Sep 2016 00:29:27 +0000</updated>
                            <resolved>Tue, 16 Aug 2016 18:24:15 +0000</resolved>
                                                    <fixVersion>3.3.12</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1358706" author="xgen-internal-githook" created="Tue, 16 Aug 2016 18:21:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;charlie.swanson@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25584&quot; title=&quot;$facet and $bucket stages do not ensure they are run on the merging shard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25584&quot;&gt;&lt;del&gt;SERVER-25584&lt;/del&gt;&lt;/a&gt; Ensure $facet and $bucketAuto run on merging shard.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7f87288de1dd99adbecb1d0ece1c29871e72410f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7f87288de1dd99adbecb1d0ece1c29871e72410f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1355802" author="charlie.swanson" created="Fri, 12 Aug 2016 19:38:52 +0000"  >&lt;p&gt;Code review url: &lt;a href=&quot;https://mongodbcr.appspot.com/89450001/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://mongodbcr.appspot.com/89450001/&lt;/a&gt;&lt;/p&gt;</comment>
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