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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>[SERVER-23898] How to remove the empty array in aggregation </title>
                <link>https://jira.mongodb.org/browse/SERVER-23898</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>{
    &quot;_id&quot; : 14,
   &quot;default&quot;:15,
    &quot;passengers_log&quot; : [ ]
}

&lt;p&gt;how to remove the  &quot;passengers_log&quot; : [ ] empty array i need the result like&lt;/p&gt;

{
    &quot;_id&quot; : 14,
   &quot;default&quot;:15,
}
&lt;p&gt;  if i use unwind the whole document is getting vanished&lt;/p&gt;</description>
                <environment></environment>
        <key id="282130">SERVER-23898</key>
            <summary>How to remove the empty array in aggregation </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="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="shibish">shibimukesh</reporter>
                        <labels>
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                <created>Mon, 25 Apr 2016 13:21:15 +0000</created>
                <updated>Mon, 25 Apr 2016 14:12:27 +0000</updated>
                            <resolved>Mon, 25 Apr 2016 14:12:27 +0000</resolved>
                                    <version>3.3.2</version>
                                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1245328" author="thomas.schubert" created="Mon, 25 Apr 2016 14:12:27 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=shibish&quot; class=&quot;user-hover&quot; rel=&quot;shibish&quot;&gt;shibish&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thanks for your report. Please note that SERVER project is for reporting bugs or feature suggestions for the MongoDB server. For MongoDB-related support discussion please post on the &lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongodb-users group&lt;/a&gt; or &lt;a href=&quot;http://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;. A question like this involving more discussion would be best posted on the mongodb-users group.&lt;/p&gt;

&lt;p&gt;Kind regards,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
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