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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-7407] Adjust the behavior of $unset for nested arrays</title>
                <link>https://jira.mongodb.org/browse/SERVER-7407</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the semantics of $unset is ambiguous when arrays are involved. For instance, the following returns &lt;/p&gt;
{a:[]}

&lt;p&gt;start: &lt;/p&gt;
{ a : [] }
&lt;p&gt;update: { $unset : &lt;/p&gt;
{ &quot;a.0&quot; : 1 }
&lt;p&gt; }&lt;/p&gt;

&lt;p&gt;But the following returns &lt;/p&gt;
{a:[null]}

&lt;p&gt;start: &lt;/p&gt;
{ a : [&apos;abc&apos;] }
&lt;p&gt;update: { $unset : &lt;/p&gt;
{ &quot;a.0&quot; : 1 }
&lt;p&gt; }&lt;/p&gt;

&lt;p&gt;We&apos;d like the $unset semantics to be that of setting a position to null, when the target of the unset is an array&apos;s element.&lt;/p&gt;</description>
                <environment></environment>
        <key id="53585">SERVER-7407</key>
            <summary>Adjust the behavior of $unset for nested arrays</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="alerner">Alberto Lerner</assignee>
                                    <reporter username="alerner">Alberto Lerner</reporter>
                        <labels>
                    </labels>
                <created>Thu, 18 Oct 2012 15:39:20 +0000</created>
                <updated>Sat, 9 Jul 2016 21:09:24 +0000</updated>
                            <resolved>Sat, 27 Jul 2013 11:59:35 +0000</resolved>
                                                                    <component>Write Ops</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
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            <issuekey id="51521">SERVER-7174</issuekey>
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