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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
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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-79034] [CQF] Satisfy RemoveOrphansRequirement in ScanNode implementer</title>
                <link>https://jira.mongodb.org/browse/SERVER-79034</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In many cases, plans will have a SargableNode which will satisfy RemoveOrphansRequirement (&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78507&quot; title=&quot;[CQF] Satisfy RemoveOrphansRequirement for SargableNode with Complete/Seek target requirement&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78507&quot;&gt;&lt;del&gt;SERVER-78507&lt;/del&gt;&lt;/a&gt;). However, plans without sargable predicates (or an empty query) may result in a full collection scan with a ScanNode without a SargableNode. This means we need ScanNode to be able to satisfy RemoveOrphansRequirement.&lt;/p&gt;

&lt;p&gt;We could rely the existing enforcer for RemoveOrphansRequirement to generate a physical alternative, but this won&apos;t take advantage of the ability to push down top-level field projections into the physical scan.&lt;/p&gt;

&lt;p&gt;We should take care to test dotted field paths.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2394086">SERVER-79034</key>
            <summary>[CQF] Satisfy RemoveOrphansRequirement in ScanNode implementer</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="richard.hausman@mongodb.com">Richard Hausman</assignee>
                                    <reporter username="ben.shteinfeld@mongodb.com">Ben Shteinfeld</reporter>
                        <labels>
                    </labels>
                <created>Mon, 17 Jul 2023 20:59:40 +0000</created>
                <updated>Sun, 29 Oct 2023 21:18:50 +0000</updated>
                            <resolved>Fri, 4 Aug 2023 14:09:59 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5616161" author="xgen-internal-githook" created="Mon, 7 Aug 2023 02:40:34 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Richard Hausman&apos;, &apos;email&apos;: &apos;richard.hausman@mongodb.com&apos;, &apos;username&apos;: &apos;rhausman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79034&quot; title=&quot;[CQF] Satisfy RemoveOrphansRequirement in ScanNode implementer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79034&quot;&gt;&lt;del&gt;SERVER-79034&lt;/del&gt;&lt;/a&gt; Add Implementer for ScanNode that enforces RemoveOrphans requirement&lt;br/&gt;
Branch: minh.luu-no_compile_sys-perf&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7d3620f267bab213beccbd240a6bd3c0deb89892&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7d3620f267bab213beccbd240a6bd3c0deb89892&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5612960" author="xgen-internal-githook" created="Fri, 4 Aug 2023 12:20:30 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Richard Hausman&apos;, &apos;email&apos;: &apos;richard.hausman@mongodb.com&apos;, &apos;username&apos;: &apos;rhausman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79034&quot; title=&quot;[CQF] Satisfy RemoveOrphansRequirement in ScanNode implementer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79034&quot;&gt;&lt;del&gt;SERVER-79034&lt;/del&gt;&lt;/a&gt; Add Implementer for ScanNode that enforces RemoveOrphans requirement&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7d3620f267bab213beccbd240a6bd3c0deb89892&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7d3620f267bab213beccbd240a6bd3c0deb89892&lt;/a&gt;&lt;/p&gt;</comment>
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