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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>[SERVER-3045] Subset of an array with conditionals</title>
                <link>https://jira.mongodb.org/browse/SERVER-3045</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If I have a document&lt;br/&gt;
{ &lt;br/&gt;
title : &quot;My First Post&quot;, author: &quot;Jane&quot;,&lt;br/&gt;
comments : [&lt;/p&gt;
{ by: &quot;Abe&quot;, text: &quot;First&quot; }
&lt;p&gt;,&lt;br/&gt;
              &lt;/p&gt;
{ by : &quot;Ada&quot;, text : &quot;Good post&quot; }
&lt;p&gt; ]&lt;br/&gt;
}&lt;br/&gt;
The query:&lt;br/&gt;
&amp;gt; db.blogposts.find( &lt;/p&gt;
{ &quot;comments.by&quot; : &quot;Ada&quot; }
&lt;p&gt; )&lt;br/&gt;
returns the entire comments document. If there are many elements in an array I would probably have to go through the entire array in my caller code and get the &lt;br/&gt;
right element. Although the index on embedded docs would find the document fast, it would be nice to have a conditional that returns only those elements of an array that are asked for. This would really avoid duplication of the search through the array in the calling client code.&lt;/p&gt;</description>
                <environment></environment>
        <key id="16649">SERVER-3045</key>
            <summary>Subset of an array with conditionals</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="3">Duplicate</resolution>
                                        <assignee username="eliot">Eliot Horowitz</assignee>
                                    <reporter username="itissid">Sid</reporter>
                        <labels>
                            <label>query</label>
                    </labels>
                <created>Thu, 5 May 2011 10:52:51 +0000</created>
                <updated>Mon, 29 Aug 2011 15:56:38 +0000</updated>
                            <resolved>Thu, 5 May 2011 12:20:02 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="31146" author="eliot" created="Thu, 5 May 2011 12:20:02 +0000"  >&lt;p&gt;See &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-828&quot; title=&quot;Support for selecting array elements in return specifier (projection)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-828&quot;&gt;&lt;del&gt;SERVER-828&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="31138" author="itissid" created="Thu, 5 May 2011 11:04:30 +0000"  >&lt;p&gt;Could someone move this to the right project? i think it should go into the Core Server&lt;/p&gt;</comment>
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