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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-60405] Support clustered collection querying in SBE</title>
                <link>https://jira.mongodb.org/browse/SERVER-60405</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;SBE currently assumes recordIds are of type &lt;a href=&quot;https://github.com/10gen/mongo/blob/1f19fe89a8af1e0101b93c680caf8a91d9977192/src/mongo/db/exec/sbe/stages/scan.cpp#L325&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;long&lt;/a&gt;&#160;which is not always true for clustered collections - and will trip an &lt;a href=&quot;https://github.com/10gen/mongo/blob/1f19fe89a8af1e0101b93c680caf8a91d9977192/src/mongo/db/record_id.h#L156-L157&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invariant&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;It can also trigger this &lt;a href=&quot;https://github.com/10gen/mongo/blob/1f19fe89a8af1e0101b93c680caf8a91d9977192/src/mongo/db/query/sbe_stage_builder_coll_scan.cpp#L250&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invariant.&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1888269">SERVER-60405</key>
            <summary>Support clustered collection querying in SBE</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="haley.connelly@mongodb.com">Haley Connelly</reporter>
                        <labels>
                    </labels>
                <created>Fri, 1 Oct 2021 22:07:41 +0000</created>
                <updated>Tue, 6 Dec 2022 00:53:43 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="4437926" author="JIRAUSER1259232" created="Mon, 28 Mar 2022 09:25:57 +0000"  >&lt;p&gt;Changing Epic link as this would need to be completed prior to supporting columnnar index over clustered collections. The reason is that the ability to fall back during runtime to scan clustered collection instead of columnar index is needed.&lt;/p&gt;</comment>
                            <comment id="4127216" author="ian.boros" created="Fri, 15 Oct 2021 18:59:51 +0000"  >&lt;p&gt;Was just talking to Martin about this, and we&apos;ll probably leave the SBE RecordId type meaning &quot;64 bit record ID&quot; and use the KeyString type for clustered collections.&lt;/p&gt;</comment>
                            <comment id="4127203" author="ian.boros" created="Fri, 15 Oct 2021 18:57:24 +0000"  >&lt;p&gt;We&apos;ll also have to deal with the fact that RecordId may be larger than 64 bits. Right now RecordIds are always &quot;shallow&quot; types in SBE, and are just copies between values. We may want to treat RecordIds as &quot;deep&quot; types unconditionally, or perhaps have an optimization for the case where they are still 64 bit integers and fit into a raw Value.&lt;/p&gt;</comment>
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            <issuekey id="1608927">SERVER-54201</issuekey>
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            <issuekey id="1949384">SERVER-62058</issuekey>
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