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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-46443] MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded collection indexes from a shard with chunks</title>
                <link>https://jira.mongodb.org/browse/SERVER-46443</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;tt&gt;MongosProcessInterface::fieldsHaveSupportingUniqueIndex&lt;/tt&gt; checks that a unique index exists&#160;to support given field paths by &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b6b26258699f8ce35716c4d1f9e0432723e06fbf/src/mongo/db/pipeline/process_interface/mongos_process_interface.cpp#L283-L289&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sending&#160;listIndexes to the primary shard for a namespace&lt;/a&gt;. As of&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45103&quot; title=&quot;Sharded index commands shouldn&amp;#39;t target primary shard if it doesn&amp;#39;t own chunks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45103&quot;&gt;&lt;del&gt;SERVER-45103&lt;/del&gt;&lt;/a&gt;, the primary shard for a sharded collection isn&apos;t guaranteed to have correct indexes, so instead listIndexes should be sent with a shard version to a shard that owns at least one chunk. Additionally, for unsharded collections, the listIndexes should be sent with a database version to handle movePrimary.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1193091">SERVER-46443</key>
            <summary>MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded collection indexes from a shard with chunks</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="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                            <label>sharding-4.4-stabilization</label>
                    </labels>
                <created>Wed, 26 Feb 2020 22:58:40 +0000</created>
                <updated>Sun, 29 Oct 2023 22:11:38 +0000</updated>
                            <resolved>Tue, 7 Apr 2020 13:20:56 +0000</resolved>
                                                    <fixVersion>4.4.0-rc2</fixVersion>
                    <fixVersion>4.7.0</fixVersion>
                                    <component>Aggregation Framework</component>
                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="3043180" author="xgen-internal-githook" created="Thu, 16 Apr 2020 19:17:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46443&quot; title=&quot;MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded collection indexes from a shard with chunks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46443&quot;&gt;&lt;del&gt;SERVER-46443&lt;/del&gt;&lt;/a&gt; MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded indexes from a shard with a chunk&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 1467c9ba4781aea4ba1663b469576cfb9a74d57b)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fc937019ac1142064825d5a303a888515f1f62f5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fc937019ac1142064825d5a303a888515f1f62f5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3028469" author="xgen-internal-githook" created="Mon, 6 Apr 2020 22:53:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jack Mulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;username&apos;: &apos;jsmulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46443&quot; title=&quot;MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded collection indexes from a shard with chunks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46443&quot;&gt;&lt;del&gt;SERVER-46443&lt;/del&gt;&lt;/a&gt; MongosProcessInterface::fieldsHaveSupportingUniqueIndex should read sharded indexes from a shard with a chunk&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1467c9ba4781aea4ba1663b469576cfb9a74d57b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1467c9ba4781aea4ba1663b469576cfb9a74d57b&lt;/a&gt;&lt;/p&gt;</comment>
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