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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[COMPASS-6354] Investigate changes in PM-2945: Unique Constraints for Time-Series Collections</title>
                <link>https://jira.mongodb.org/browse/COMPASS-6354</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #c2d2c2;&quot;&gt;
&lt;p&gt;    We forsee downstream impacts across Cloud, Drivers, Devtools, and Docs. This will be flushed out as the design is written. &lt;/p&gt;
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&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;
&lt;p&gt;Add support for defining a unique index on a time-series collection over the meta and time fields&lt;/p&gt;


&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;

&lt;p&gt;Users frequently ask for unique indexes on time-series collections. Most of the time, they specifically want a unique index on the combination of meta and time. While we cannot efficiently provide unique indexing for arbitrary key specifications, we can handle this combination with some restrictions. Adding this functionality will bring our time-series offering closer to feature parity with our regular collections&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Documentation&quot;&gt;&lt;/a&gt;Documentation&lt;/h4&gt;

&lt;p&gt;&lt;a href=&quot;https://tinyurl.com/28mselu3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Product Description&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://tinyurl.com/29zj9lvj&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Scope Document&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://tinyurl.com/22h7kz4q&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design Document&lt;/a&gt;&lt;/p&gt;
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                <environment></environment>
        <key id="2203679">COMPASS-6354</key>
            <summary>Investigate changes in PM-2945: Unique Constraints for Time-Series Collections</summary>
                <type id="10501" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Investigation</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>
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                                    <resolution id="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
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                <created>Tue, 6 Dec 2022 15:27:57 +0000</created>
                <updated>Wed, 10 Jan 2024 21:10:42 +0000</updated>
                            <resolved>Wed, 14 Dec 2022 11:54:38 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="6001991" author="dbeng-pm-bot" created="Wed, 10 Jan 2024 21:10:42 +0000"  >&lt;p&gt;&lt;em&gt;Fix Version updated for upstream PM-2945:&lt;/em&gt; &lt;/p&gt;</comment>
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