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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
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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>[DOCS-13816] [Atlas Search] Document how to index arrays in Atlas Search</title>
                <link>https://jira.mongodb.org/browse/DOCS-13816</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;In &lt;a href=&quot;https://docs.atlas.mongodb.com/reference/atlas-search/tutorial/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Tutorial: Create and Query an Atlas Search Index&lt;/a&gt; we provide an example that indexes an array, but do not explicitly call out that we are indexing an array. We have received a number of questions on how to index arrays using Atlas Search. So customers are not finding this example. We should add a section on how to index arrays using Atlas Search. For reference the following explanation was provided to customers, which they found helpful:&lt;/p&gt;

&lt;p&gt;For example, in the &lt;tt&gt;sample_mflix&lt;/tt&gt; database, &lt;tt&gt;movies&lt;/tt&gt; contain a &lt;tt&gt;genres&lt;/tt&gt; array. (Only showing &lt;tt&gt;title&lt;/tt&gt; and &lt;tt&gt;genres&lt;/tt&gt; to highlight that &lt;tt&gt;genres&lt;/tt&gt; is an array of strings.)&lt;/p&gt;

&lt;p/&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  &quot;title&quot; : &quot;The Final Countdown&quot;,&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  &quot;genres&quot; : [ &quot;Action&quot;, &quot;Sci-Fi&quot; ]&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;We then define an index on &lt;tt&gt;genres&lt;/tt&gt;, once again focusing on the &lt;tt&gt;genres&lt;/tt&gt; portion of the index definition:&lt;/p&gt;

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

&lt;p&gt;Note how the type is &lt;tt&gt;string&lt;/tt&gt; and not &lt;tt&gt;array&lt;/tt&gt;, &lt;tt&gt;array&lt;span class=&quot;error&quot;&gt;&amp;#91;string&amp;#93;&lt;/span&gt;&lt;/tt&gt;, &lt;tt&gt;string[]&lt;/tt&gt;, or some other syntax. We define the index as the data type of the array elements and do not have to specify that the data is contained in an array. The fact that it is an array is automatically detected and handled by MongoDB.&lt;/p&gt;

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

&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&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="1436202">DOCS-13816</key>
            <summary>[Atlas Search] Document how to index arrays in Atlas Search</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="kanchana.sekhar@mongodb.com">Kanchana Sekhar</assignee>
                                    <reporter username="james.kovacs@mongodb.com">James Kovacs</reporter>
                        <labels>
                            <label>cet-sprint-moved</label>
                    </labels>
                <created>Sun, 9 Aug 2020 16:52:18 +0000</created>
                <updated>Sun, 29 Oct 2023 13:54:54 +0000</updated>
                            <resolved>Tue, 1 Sep 2020 13:07:31 +0000</resolved>
                                                                    <component>FTS</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3369047" author="james.kovacs" created="Mon, 31 Aug 2020 23:20:00 +0000"  >&lt;p&gt;Given the question of how to index arrays has come up a few times, we might want to include that information under a heading &quot;Indexing Arrays&quot; to call it out more prominently. Right now the info could be missed. From an information perspective, LGTM.&lt;/p&gt;</comment>
                            <comment id="3360731" author="kanchana.sekhar" created="Wed, 26 Aug 2020 18:12:06 +0000"  >&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://github.com/10gen/cloud-docs/pull/1808&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;PR&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Stage:
	&lt;ul&gt;
		&lt;li&gt;&lt;a href=&quot;https://docs-atlas-staging.mongodb.com/cloud-docs/docsworker-xlarge/DOCSP-13816/reference/atlas-search/tutorial.html#enter-an-index-definition-in-the-modal-window&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Tutorial: Create and Query an Atlas Search Index&lt;/a&gt;&lt;/li&gt;
		&lt;li&gt;&lt;a href=&quot;https://docs-atlas-staging.mongodb.com/cloud-docs/docsworker-xlarge/DOCSP-13816/reference/atlas-search/index-definitions.html#static-mapping-example&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Defining an Index - Static Mapping Example&lt;/a&gt;&lt;/li&gt;
	&lt;/ul&gt;
	&lt;/li&gt;
&lt;/ul&gt;
</comment>
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