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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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>[DOCS-13043] $unwind docs improvements</title>
                <link>https://jira.mongodb.org/browse/DOCS-13043</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;
&lt;p&gt;Improve the $unwind operator page. See Scope of Changes for details.&lt;/p&gt;

&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

&lt;p&gt;(some combination/permutations):&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;More clearly define the two different unwind argument syntaxes.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Add multi-stage examples.  Check some existing examples in docs for use of unwind. Where appropriate, show the results of each individual stage. Utilize common datasets for multiple examples where we can.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Order examples such that common use cases appear first.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;For each example, make sure we provide a command to insert the sample documents so users can follow along. Each example should follow the form: Sample Documents, Aggregation, Results.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Add comments to examples where appropriate.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Try out different ways to present the multiple syntax. Have examples which show both the Field Path Operand and Document Operand.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;``includeArrayIndex`` and ``preserveNullAndEmptyArrays`` example section is very long. We can split this into either subsections or tabs.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;In the arguments table, add linkable references. This way we can link to argument descriptions in the copy.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Double check the language to vet out the unclear/ambiguous/etc.&lt;/li&gt;
&lt;/ul&gt;


&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&gt;

&lt;p&gt;Can check other agg pages which use $unwind in examples for inspiration. Can possibly synchronize examples across multiple agg pages if they use the same stages.&lt;/p&gt;

&lt;h2&gt;&lt;a name=&quot;MVP%28WorkandDate%29&quot;&gt;&lt;/a&gt;MVP (Work and Date)&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;Resources%28ScopeorDesignDocs%2CInvision%2Cetc.%29&quot;&gt;&lt;/a&gt;Resources (Scope or Design Docs, Invision, etc.)&lt;/h2&gt;

</description>
                <environment></environment>
        <key id="933773">DOCS-13043</key>
            <summary>$unwind docs improvements</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13201">Fixed</resolution>
                                        <assignee username="jeffrey.allen@mongodb.com">Jeffrey Allen</assignee>
                                    <reporter username="kay.kim@mongodb.com">Kay Kim</reporter>
                        <labels>
                            <label>docs-agg-improv</label>
                    </labels>
                <created>Fri, 20 Sep 2019 21:27:34 +0000</created>
                <updated>Mon, 30 Oct 2023 20:34:31 +0000</updated>
                            <resolved>Fri, 27 Sep 2019 19:52:15 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2437089" author="jeffrey.allen" created="Fri, 27 Sep 2019 19:52:33 +0000"  >&lt;p&gt;Also backported to 4.0.&lt;/p&gt;</comment>
                            <comment id="2437088" author="jeffrey.allen" created="Fri, 27 Sep 2019 19:52:15 +0000"  >&lt;p&gt;Changes merged &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/star_yellow.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
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            <issuekey id="918115">DOCS-13015</issuekey>
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