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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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<item>
            <title>[COMPASS-7201] Aggregation results are different when performed in compass UI and mongosh</title>
                <link>https://jira.mongodb.org/browse/COMPASS-7201</link>
                <project id="13182" key="COMPASS">Compass </project>
                    <description>&lt;h3&gt;&lt;a name=&quot;ProblemStatement%2FRationale&quot;&gt;&lt;/a&gt;&lt;b&gt;Problem Statement/Rationale&lt;/b&gt;&lt;/h3&gt;

&lt;p&gt;&lt;font color=&quot;#505f79&quot;&gt;Compass aggregation with $group and $sum showing incorrect results.&lt;/font&gt;&lt;/p&gt;
&lt;h3&gt;&lt;a name=&quot;StepstoReproduce&quot;&gt;&lt;/a&gt;&lt;b&gt;Steps to Reproduce&lt;/b&gt;&lt;/h3&gt;

&lt;p&gt;&lt;font color=&quot;#505f79&quot;&gt;Aggregation type:&lt;/font&gt;&lt;br/&gt;
db.col.aggregate(&lt;span class=&quot;error&quot;&gt;&amp;#91;\{$group: {_id: &amp;quot;$field1&amp;quot;, count: {$sum:1}}}, \\\{$sort: {count: -1}}&amp;#93;&lt;/span&gt;)&lt;/p&gt;
&lt;h3&gt;&lt;a name=&quot;ExpectedResults&quot;&gt;&lt;/a&gt;&lt;b&gt;Expected Results&lt;/b&gt;&lt;/h3&gt;

&lt;p&gt;&lt;font color=&quot;#505f79&quot;&gt;Results in compass and mongosh should be identical&lt;/font&gt;&lt;/p&gt;
&lt;h3&gt;&lt;a name=&quot;ActualResults&quot;&gt;&lt;/a&gt;&lt;b&gt;Actual Results&lt;/b&gt;&lt;/h3&gt;

&lt;p&gt;&lt;font color=&quot;#505f79&quot;&gt;See attached image.&#160; Compass results are incorrect.&lt;/font&gt;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Compass version: 1.39.1&lt;/p&gt;</description>
                <environment>OS: Mac arm&lt;br/&gt;
node.js / npm versions: 9.6.4&lt;br/&gt;
</environment>
        <key id="2438214">COMPASS-7201</key>
            <summary>Aggregation results are different when performed in compass UI and mongosh</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="13202">Works as Designed</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="stas.baskin@mongodb.com">Stas Baskin</reporter>
                        <labels>
                    </labels>
                <created>Sun, 10 Sep 2023 11:59:30 +0000</created>
                <updated>Fri, 27 Oct 2023 13:07:34 +0000</updated>
                            <resolved>Mon, 11 Sep 2023 09:21:52 +0000</resolved>
                                                    <fixVersion>No version</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5693056" author="JIRAUSER1261456" created="Mon, 11 Sep 2023 09:21:35 +0000"  >&lt;p&gt;Hi Stas&lt;/p&gt;

&lt;p&gt;Compass&apos;s aggregation preview is based on a sample. To get the full results you can click the green Run button top-right. If you still get different results, please let us know.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="474641" name="Screenshot 2023-09-10 at 12.54.08.png" size="214082" author="stas.baskin@mongodb.com" created="Sun, 10 Sep 2023 11:58:42 +0000"/>
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