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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-22726] Extend the KVCatalog to store path-level multikeyness info</title>
                <link>https://jira.mongodb.org/browse/SERVER-22726</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As part of this work, we should plumb down the path-level multikeyness info generated by &lt;tt&gt;getKeys()&lt;/tt&gt; in the &lt;tt&gt;IndexAccessMethod&lt;/tt&gt; down to the &lt;tt&gt;CollectionCatalogEntry&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="266479">SERVER-22726</key>
            <summary>Extend the KVCatalog to store path-level multikeyness info</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="9">Done</resolution>
                                        <assignee username="max.hirschhorn@mongodb.com">Max Hirschhorn</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Thu, 18 Feb 2016 16:54:16 +0000</created>
                <updated>Thu, 29 Aug 2019 17:52:15 +0000</updated>
                            <resolved>Sun, 8 May 2016 18:18:02 +0000</resolved>
                                                    <fixVersion>3.3.6</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1258765" author="xgen-internal-githook" created="Sun, 8 May 2016 18:17:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visemet&apos;, u&apos;name&apos;: u&apos;Max Hirschhorn&apos;, u&apos;email&apos;: u&apos;max.hirschhorn@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22726&quot; title=&quot;Extend the KVCatalog to store path-level multikeyness info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22726&quot;&gt;&lt;del&gt;SERVER-22726&lt;/del&gt;&lt;/a&gt; Propagate multikey paths computed during key generation.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3e26b6b80f0a4904d477f8c4bd189945941ee09e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3e26b6b80f0a4904d477f8c4bd189945941ee09e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1258764" author="xgen-internal-githook" created="Sun, 8 May 2016 18:17:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visemet&apos;, u&apos;name&apos;: u&apos;Max Hirschhorn&apos;, u&apos;email&apos;: u&apos;max.hirschhorn@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22726&quot; title=&quot;Extend the KVCatalog to store path-level multikeyness info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22726&quot;&gt;&lt;del&gt;SERVER-22726&lt;/del&gt;&lt;/a&gt; Store path-level multikey information in the KVCatalog.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3a0d6ee6a2b6f82c5775380b7184501916338331&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3a0d6ee6a2b6f82c5775380b7184501916338331&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1258763" author="xgen-internal-githook" created="Sun, 8 May 2016 18:17:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;visemet&apos;, u&apos;name&apos;: u&apos;Max Hirschhorn&apos;, u&apos;email&apos;: u&apos;max.hirschhorn@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22726&quot; title=&quot;Extend the KVCatalog to store path-level multikeyness info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22726&quot;&gt;&lt;del&gt;SERVER-22726&lt;/del&gt;&lt;/a&gt; Represent lack of path-level multikey info as empty vector.&lt;/p&gt;

&lt;p&gt;Removes usages of boost::optional&amp;lt;MultikeyPaths&amp;gt;, where boost::none had&lt;br/&gt;
previously represented the lack of path-level multikey info.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/65222c4b5146cc6b8930e784149e5aade132a8fc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/65222c4b5146cc6b8930e784149e5aade132a8fc&lt;/a&gt;&lt;/p&gt;</comment>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="282182">SERVER-23906</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="285346">SERVER-24095</issuekey>
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            <issuekey id="910669">SERVER-43074</issuekey>
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