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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-15020] Implement explain for the distinct command</title>
                <link>https://jira.mongodb.org/browse/SERVER-15020</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="154559">SERVER-15020</key>
            <summary>Implement explain for the distinct command</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="9">Done</resolution>
                                        <assignee username="qingyang.chen">Qingyang Chen</assignee>
                                    <reporter username="rassi">J Rassi</reporter>
                        <labels>
                    </labels>
                <created>Mon, 25 Aug 2014 12:30:20 +0000</created>
                <updated>Wed, 22 Mar 2017 15:26:56 +0000</updated>
                            <resolved>Tue, 11 Aug 2015 22:45:50 +0000</resolved>
                                                    <fixVersion>3.1.7</fixVersion>
                                    <component>Querying</component>
                                        <votes>1</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1002643" author="xgen-internal-githook" created="Tue, 11 Aug 2015 22:45:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;coollog&apos;, u&apos;name&apos;: u&apos;Qingyang Chen&apos;, u&apos;email&apos;: u&apos;qingyang.chen@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15020&quot; title=&quot;Implement explain for the distinct command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15020&quot;&gt;&lt;del&gt;SERVER-15020&lt;/del&gt;&lt;/a&gt; Added missing explain stats for distinct command&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f9904bce323dc4c45e0669043fa0c94304d18c6d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f9904bce323dc4c45e0669043fa0c94304d18c6d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="997380" author="david.storch" created="Wed, 5 Aug 2015 17:43:16 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=qingyang.chen&quot; class=&quot;user-hover&quot; rel=&quot;qingyang.chen&quot;&gt;qingyang.chen&lt;/a&gt;, re-opening for 3.1.8 as I think there is some additional work left to do. If you compare the stats reported in &quot;executionStats&quot; mode for IXSCAN and DISTINCT_SCAN, you&apos;ll see that there is much less information in the distinct case. We need to update Explain::statsToBSON() to add the missing information for DISTINCT_SCAN.&lt;/p&gt;</comment>
                            <comment id="994083" author="xgen-internal-githook" created="Fri, 31 Jul 2015 18:05:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;coollog&apos;, u&apos;name&apos;: u&apos;Qingyang Chen&apos;, u&apos;email&apos;: u&apos;qingyang.chen@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15020&quot; title=&quot;Implement explain for the distinct command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15020&quot;&gt;&lt;del&gt;SERVER-15020&lt;/del&gt;&lt;/a&gt; Explain for distinct command&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bc4572c985a6d9dca5721ec45e88a19061f3842e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bc4572c985a6d9dca5721ec45e88a19061f3842e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="971317" author="david.storch" created="Tue, 21 Jul 2015 18:43:59 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=qingyang.chen&quot; class=&quot;user-hover&quot; rel=&quot;qingyang.chen&quot;&gt;qingyang.chen&lt;/a&gt;, let&apos;s talk to go over what&apos;s involved to complete this ticket.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10320">
                    <name>Documented</name>
                                                                <inwardlinks description="is documented by">
                                        <issuelink>
            <issuekey id="223852">DOCS-5960</issuekey>
        </issuelink>
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                            <issuelinktype id="10010">
                    <name>Duplicate</name>
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            <issuekey id="69681">SERVER-9126</issuekey>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="225334">SERVER-19907</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="225712">SERVER-19983</issuekey>
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                                        <issuelink>
            <issuekey id="84947">SERVER-10448</issuekey>
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