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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>[SERVER-29620] Add shorthand syntax for retrieving the record count for a collection using the $collStats agg stage</title>
                <link>https://jira.mongodb.org/browse/SERVER-29620</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The number of documents in a collection can already be retrieved using &lt;tt&gt;$collStats&lt;/tt&gt; in O(1) time&#8212;that is, without executing a query to count the total number of documents. However, we would like to provide syntactic sugar in order to make this easy. Specifically, we will add a &lt;tt&gt;count&lt;/tt&gt; option to &lt;tt&gt;$collStats&lt;/tt&gt;:&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.myColl.aggregate([{$collStats: {count: {}}}]);&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;{&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;ns: &quot;test.myColl&quot;,&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;localTime: ISODate(&quot;2017-06-02T15:48:46.510Z&quot;),&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;count: 11&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;}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;This aggregation will return a single document with the &lt;tt&gt;ns&lt;/tt&gt; and &lt;tt&gt;localTime&lt;/tt&gt; fields, just like other &lt;tt&gt;$collStats&lt;/tt&gt; pipelines. The count will be reported in a new field called &lt;tt&gt;count&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="393772">SERVER-29620</key>
            <summary>Add shorthand syntax for retrieving the record count for a collection using the $collStats agg stage</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="nicholas.zolnierz@mongodb.com">Nicholas Zolnierz</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Wed, 14 Jun 2017 14:03:24 +0000</created>
                <updated>Mon, 30 Oct 2023 23:16:06 +0000</updated>
                            <resolved>Fri, 16 Jun 2017 14:01:44 +0000</resolved>
                                                    <fixVersion>3.5.9</fixVersion>
                                    <component>Aggregation Framework</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1599139" author="xgen-internal-githook" created="Fri, 16 Jun 2017 13:55:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;nzolnierzmdb&apos;, u&apos;name&apos;: u&apos;Nick Zolnierz&apos;, u&apos;email&apos;: u&apos;nicholas.zolnierz@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29620&quot; title=&quot;Add shorthand syntax for retrieving the record count for a collection using the $collStats agg stage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29620&quot;&gt;&lt;del&gt;SERVER-29620&lt;/del&gt;&lt;/a&gt; Add shorthand syntax for retrieving the record count for a collection using the  agg stage&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8ec35cb932d07eb034beee2b1938800675fb3c0c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8ec35cb932d07eb034beee2b1938800675fb3c0c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1598458" author="xgen-internal-githook" created="Thu, 15 Jun 2017 19:25:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jseyster&apos;, u&apos;name&apos;: u&apos;Justin Seyster&apos;, u&apos;email&apos;: u&apos;justin.seyster@mongodb.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29620&quot; title=&quot;Add shorthand syntax for retrieving the record count for a collection using the $collStats agg stage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29620&quot;&gt;&lt;del&gt;SERVER-29620&lt;/del&gt;&lt;/a&gt; Add shorthand syntax for retrieving the record count for a collection using the  agg stage&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 1efbf03521e9c6d85df33ab6786f6c121d8b56c2.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2ac7dedaac717c125f25d797badccd644dc1db00&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2ac7dedaac717c125f25d797badccd644dc1db00&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1598368" author="kyle.suarez" created="Thu, 15 Jun 2017 18:37:28 +0000"  >&lt;p&gt;Marking Drivers Changes as &quot;Maybe&quot;, as it&apos;s possible in the future that drivers may want to expose fast count to the users in this manner.&lt;/p&gt;</comment>
                            <comment id="1598290" author="xgen-internal-githook" created="Thu, 15 Jun 2017 17:44:37 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;nzolnierzmdb&apos;, u&apos;name&apos;: u&apos;Nick Zolnierz&apos;, u&apos;email&apos;: u&apos;nicholas.zolnierz@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29620&quot; title=&quot;Add shorthand syntax for retrieving the record count for a collection using the $collStats agg stage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29620&quot;&gt;&lt;del&gt;SERVER-29620&lt;/del&gt;&lt;/a&gt; Add shorthand syntax for retrieving the record count for a collection using the  agg stage&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1efbf03521e9c6d85df33ab6786f6c121d8b56c2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1efbf03521e9c6d85df33ab6786f6c121d8b56c2&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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