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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>
    </build-info>


<item>
            <title>[SERVER-11347] Dot notation in Projections not working</title>
                <link>https://jira.mongodb.org/browse/SERVER-11347</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Using dot notation in projections does not work as expected.&lt;/p&gt;</description>
                <environment>CentOS 6.4 </environment>
        <key id="95587">SERVER-11347</key>
            <summary>Dot notation in Projections not working</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="-1">Unassigned</assignee>
                                    <reporter username="vegaed">Edgardo Vega</reporter>
                        <labels>
                            <label>query</label>
                    </labels>
                <created>Thu, 24 Oct 2013 14:15:03 +0000</created>
                <updated>Wed, 10 Dec 2014 23:11:30 +0000</updated>
                            <resolved>Tue, 29 Oct 2013 02:19:10 +0000</resolved>
                                    <version>2.4.7</version>
                                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="447970" author="rassi@10gen.com" created="Tue, 29 Oct 2013 02:19:10 +0000"  >&lt;p&gt;The array notation syntax you are using in your projection &amp;#8211; {&quot;geoPoint1.coordinates.0&quot;: 1} &amp;#8211; is not supported for reaching inside of arrays.  You need to use &lt;a href=&quot;http://docs.mongodb.org/manual/reference/operator/projection/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;projection operators&lt;/a&gt; to project values from arrays.  See the following example of the &lt;a href=&quot;http://docs.mongodb.org/manual/reference/operator/projection/slice/#proj._S_slice&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;$slice&lt;/a&gt; projection operator:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&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;  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;&amp;gt; db.foo.insert({a:[0,1]})&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&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;&amp;gt; db.foo.find({},{_id:0,a:1})&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&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;a&quot; : [  0,  1 ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&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;&amp;gt; db.foo.find({},{_id:0,a:{$slice:1}})&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&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;   margin-bottom: 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;a&quot; : [  0 ] }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Filed &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-2163&quot; title=&quot;Document that {&amp;quot;a.0&amp;quot;:1} syntax cannot be used to project array values&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-2163&quot;&gt;&lt;del&gt;DOCS-2163&lt;/del&gt;&lt;/a&gt; as a request to improve the documentation in this area.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="11615">SERVER-828</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="96121">DOCS-2163</issuekey>
        </issuelink>
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                        <customfieldname>Steps To Reproduce</customfieldname>
                        <customfieldvalues>
                            <customfieldvalue>&lt;p&gt;I have the following documents&lt;/p&gt;

&lt;p&gt;/* 0 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;_id&quot; : &lt;/p&gt;
{
        &quot;rowId&quot; : &quot;d8a908fc-c549-4485-8610-c2893334211e&quot;,
        &quot;a&quot; : &quot;0&quot;
    }
&lt;p&gt;,&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-24T14:26:02.288Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -122.8112, 
            38.8047
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 1 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;_id&quot; : &lt;/p&gt;
{
        &quot;rowId&quot; : &quot;c7851807-6107-4262-bb26-711c8902a7c4&quot;,
        &quot;a&quot; : &quot;0&quot;
    }
&lt;p&gt;,&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:43:56.400Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -116.444, 
            33.429
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 2 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;_id&quot; : &lt;/p&gt;
{
        &quot;rowId&quot; : &quot;629b047c-7c40-4f8d-958b-4bf43858b1d0&quot;,
        &quot;a&quot; : &quot;0&quot;
    }
&lt;p&gt;,&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:42:29.821Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -148.8046, 
            62.9881
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;If I run &lt;br/&gt;
db&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;#39;dbname&amp;#39;&amp;#93;&lt;/span&gt;.find({}, &lt;/p&gt;
{ _id: 0, &quot;Updated Time&quot; : 1, &quot;geoPoint1.coordinates&quot; :1}
&lt;p&gt;) I get back all the documents without the ID as expected&lt;/p&gt;

&lt;p&gt;/* 0 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-24T14:26:02.288Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -122.8112, 
            38.8047
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 1 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:43:56.400Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -116.444, 
            33.429
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 2 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:42:29.821Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : [ 
            -148.8046, 
            62.9881
        ]
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;If I do db&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;#39;dbname&amp;#39;&amp;#93;&lt;/span&gt;.find({}, &lt;/p&gt;
{ _id: 0, &quot;Updated Time&quot; : 1, &quot;geoPoint1.coordinates.0&quot; :1}
&lt;p&gt;) I get the following&lt;/p&gt;

&lt;p&gt;/* 0 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-24T14:26:02.288Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : []
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 1 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:43:56.400Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : []
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 2 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:42:29.821Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : []
    }
&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;/* 3 */&lt;br/&gt;
{&lt;br/&gt;
    &quot;Updated Time&quot; : ISODate(&quot;2013-09-25T01:30:26.305Z&quot;),&lt;br/&gt;
    &quot;geoPoint1&quot; : &lt;/p&gt;
{
        &quot;coordinates&quot; : []
    }
&lt;p&gt;}&lt;/p&gt;
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