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    <title>MongoDB Jira</title>
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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-13593] aggfmk $match operator support for nested field matching </title>
                <link>https://jira.mongodb.org/browse/SERVER-13593</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently it is not possible from a simple $match query on the aggregation framework to match fields of a document that might contain the same value:&lt;/p&gt;

&lt;p/&gt;
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&lt;p/&gt;

&lt;p&gt;given the semantics of the &quot;$&quot; operator we should be able to support it.&lt;/p&gt;</description>
                <environment></environment>
        <key id="131214">SERVER-13593</key>
            <summary>aggfmk $match operator support for nested field matching </summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="norberto.leite">Norberto Fernando Rocha Leite</reporter>
                        <labels>
                    </labels>
                <created>Tue, 15 Apr 2014 13:03:57 +0000</created>
                <updated>Tue, 15 Apr 2014 13:54:26 +0000</updated>
                            <resolved>Tue, 15 Apr 2014 13:46:46 +0000</resolved>
                                    <version>2.6.0-rc3</version>
                                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="550055" author="asya" created="Tue, 15 Apr 2014 13:46:46 +0000"  >&lt;p&gt;functionally a dup of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2702&quot; title=&quot;Compare document fields in queries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2702&quot;&gt;&lt;del&gt;SERVER-2702&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="550052" author="asya" created="Tue, 15 Apr 2014 13:45:53 +0000"  >&lt;p&gt;This is absolutely possible in agg framework but not in $match phase - match is limited by the same criteria find uses - you cannot compare a field to another field in a document in find().&lt;/p&gt;

&lt;p&gt;In aggregation you can do this via $project using compare to generate a new field on which you can then match, otherwise this is a dupe of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2702&quot; title=&quot;Compare document fields in queries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2702&quot;&gt;&lt;del&gt;SERVER-2702&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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