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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-2036] $insert and $remove for arrays (currently $set, $unset, $push, and $pull are insufficient)</title>
                <link>https://jira.mongodb.org/browse/SERVER-2036</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Arrays currently have a number of bizarre behaviors (especially in PHP) and limited support for manipulation makes this difficult to work around. The following additional functions would help:&lt;/p&gt;

&lt;p&gt;$insert - atomic insertion into an array at an index.&lt;br/&gt;
                Currently the only options are $push (which only works if you are adding to the end) and overwriting the entire array.&lt;/p&gt;

&lt;p&gt;$remove - remove elements from an array BY INDEX, without leaving &quot;null&quot; entries.&lt;br/&gt;
                   Currently the only universally safe option is to overwrite the entire array. $unset leaves null entries, $pull works only if the element is known to be unique, and $unset followed by $pull null only works if the array is known to not contain nulls (also because $unset + $pull requires two separate operations, it is clunky and non-atomic (array contains null for a period of time)).&lt;/p&gt;</description>
                <environment></environment>
        <key id="13576">SERVER-2036</key>
            <summary>$insert and $remove for arrays (currently $set, $unset, $push, and $pull are insufficient)</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="backlog-server-query">Backlog - Query Team</assignee>
                                    <reporter username="bugslayer">John Crenshaw</reporter>
                        <labels>
                    </labels>
                <created>Sat, 30 Oct 2010 21:46:03 +0000</created>
                <updated>Tue, 6 Dec 2022 05:47:20 +0000</updated>
                            <resolved>Fri, 14 Apr 2017 16:04:36 +0000</resolved>
                                                                    <component>Write Ops</component>
                                        <votes>6</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1549413" author="david.storch" created="Fri, 14 Apr 2017 16:04:24 +0000"  >&lt;p&gt;I agree with Asya&apos;s assessment that this is now a duplicate, so I am closing this ticket as such. Please watch &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-1014&quot; title=&quot;A modifier to delete a single value from an array&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-1014&quot;&gt;&lt;del&gt;SERVER-1014&lt;/del&gt;&lt;/a&gt; for further updates.&lt;/p&gt;</comment>
                            <comment id="1548742" author="asya" created="Thu, 13 Apr 2017 18:24:34 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2363&quot; title=&quot;$push/$pushAll support for insertion at any position (top/bottom/ordinal)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2363&quot;&gt;&lt;del&gt;SERVER-2363&lt;/del&gt;&lt;/a&gt; allowed pushing into any position, the other half is dup of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-1014&quot; title=&quot;A modifier to delete a single value from an array&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-1014&quot;&gt;&lt;del&gt;SERVER-1014&lt;/del&gt;&lt;/a&gt; by my reading.&lt;/p&gt;</comment>
                            <comment id="106398" author="jonhsond" created="Wed, 4 Apr 2012 09:56:23 +0000"  >&lt;p&gt;This bug is related to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2191&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/SERVER-2191&lt;/a&gt;, and shares my concern for safe positional operator updates.&lt;/p&gt;</comment>
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