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    <title>MongoDB Jira</title>
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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>[SERVER-57791] Handle missing elements in Simple-8b encoded blocks</title>
                <link>https://jira.mongodb.org/browse/SERVER-57791</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We want to introduce the concept of missing elements to Simple-8b blocks. &lt;/p&gt;

&lt;p&gt;The &lt;tt&gt;append(uint64_t)&lt;/tt&gt; interface should be extended to also have &lt;tt&gt;skip()&lt;/tt&gt;. The index is 0 based and should increment on every append, when &lt;tt&gt;skip&lt;/tt&gt; is called it should skip ahead &lt;tt&gt;1&lt;/tt&gt; from current index&lt;/p&gt;

&lt;p&gt;When retrieving values from the decoder the associated index should also be returned. We can use &lt;tt&gt;std::pair&amp;lt;uint32_t, uint64_t&amp;gt;&lt;/tt&gt; to represent this for now.&lt;/p&gt;

&lt;p&gt;If &lt;tt&gt;append(12)&lt;/tt&gt; is called followed by &lt;tt&gt;skip()&lt;/tt&gt; and &lt;tt&gt;append(13)&lt;/tt&gt; the output when decoding should be: &lt;tt&gt;(0, 12), (2, 13)&lt;/tt&gt;&lt;/p&gt;

&lt;p&gt;We want to encode the &quot;index skip&quot; by using the special bit pattern of all bits set to &apos;1&apos; in a Simple-8b bucket.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1788603">SERVER-57791</key>
            <summary>Handle missing elements in Simple-8b encoded blocks</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="13201">Fixed</resolution>
                                        <assignee username="jackson.xie@mongodb.com">Jackson Xie</assignee>
                                    <reporter username="henrik.edin@mongodb.com">Henrik Edin</reporter>
                        <labels>
                    </labels>
                <created>Thu, 17 Jun 2021 17:29:35 +0000</created>
                <updated>Sun, 29 Oct 2023 21:52:00 +0000</updated>
                            <resolved>Fri, 2 Jul 2021 13:22:42 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="4107790" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:36:21 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3914362" author="xgen-internal-githook" created="Fri, 2 Jul 2021 13:42:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jackson Xie&apos;, &apos;email&apos;: &apos;jackson.xie@mongodb.com&apos;, &apos;username&apos;: &apos;jacksonx9&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57791&quot; title=&quot;Handle missing elements in Simple-8b encoded blocks&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57791&quot;&gt;&lt;del&gt;SERVER-57791&lt;/del&gt;&lt;/a&gt;: Simple8b skip functionality&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/626aed97d918b44d57acd7efd41aa0a6f1debd05&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/626aed97d918b44d57acd7efd41aa0a6f1debd05&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1764839">SERVER-57318</issuekey>
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