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    <title>MongoDB Jira</title>
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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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            <title>[SERVER-42391] Verify the uniqueness property of a shard key cannot be changed by a shard key refine</title>
                <link>https://jira.mongodb.org/browse/SERVER-42391</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When a collection is sharded, a user can provide the &quot;unique&quot; option, which if true will ensure there exists an index with a uniqueness constraint with the same pattern as the proposed shard key. A user is not able to modify this property when refining a shard key, and this should be verified by inspecting the config.collections entry for both a unique=true and unique=false sharded collection after refining its shard key.&lt;/p&gt;</description>
                <environment></environment>
        <key id="874544">SERVER-42391</key>
            <summary>Verify the uniqueness property of a shard key cannot be changed by a shard key refine</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="jamie.heppenstall@mongodb.com">James Heppenstall</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                    </labels>
                <created>Wed, 24 Jul 2019 19:15:46 +0000</created>
                <updated>Sun, 29 Oct 2023 22:18:48 +0000</updated>
                            <resolved>Mon, 29 Jul 2019 20:52:51 +0000</resolved>
                                                    <fixVersion>4.3.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2348893" author="xgen-internal-githook" created="Mon, 29 Jul 2019 20:51:27 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jamie Heppenstall&apos;, &apos;username&apos;: &apos;JamesHeppenstall&apos;, &apos;email&apos;: &apos;jamie.heppenstall@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42391&quot; title=&quot;Verify the uniqueness property of a shard key cannot be changed by a shard key refine&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42391&quot;&gt;&lt;del&gt;SERVER-42391&lt;/del&gt;&lt;/a&gt; Add jstests verifying the uniqueness property of a shard key cannot be changed by refineCollectionShardKey&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/541d147e1b15e7d1f7b652a9232c9e3ee3765597&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/541d147e1b15e7d1f7b652a9232c9e3ee3765597&lt;/a&gt;&lt;/p&gt;</comment>
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