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            <title>[JAVA-3862] Exact count distinct stage and accumulator</title>
                <link>https://jira.mongodb.org/browse/JAVA-3862</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;h4&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;Summary&lt;/h4&gt;
&lt;p&gt;Add a concise way to compute the number of distinct values.&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;Motivation&lt;/h4&gt;
&lt;p&gt;Count distinct is one of the most common statistics used in analytics. While it is possible to express it in MQL, it is much less concise than in SQL, especially when multiple count distinct values need to be computed over the same input. Moreover, users are confused about what algorithm is recommended.&lt;/p&gt;
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        <key id="1434042">JAVA-3862</key>
            <summary>Exact count distinct stage and accumulator</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10033" iconUrl="https://jira.mongodb.org/images/icons/statuses/information.png" description="Status for tickets that need to be escalated and unblocked on our team.">Blocked</status>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
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                <created>Thu, 6 Aug 2020 18:10:19 +0000</created>
                <updated>Wed, 22 Jun 2022 21:09:22 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>3</watches>
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