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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-81589] [CQF] Avoid optimizer round-trip for lowering of SargableNode for sampling queries</title>
                <link>https://jira.mongodb.org/browse/SERVER-81589</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;ul&gt;
	&lt;li&gt;For sargable nodes, iterate over residual requirements, and lower using &#8220;lowerPartialSchemaRequirement&#8221;&lt;/li&gt;
	&lt;li&gt;This generates filters and eval nodes.&lt;/li&gt;
	&lt;li&gt;Insert a physical scan node using scan params.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Basically copy and refactor segment of handler for SargableNode in implementers.cpp with target = Complete&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2455061">SERVER-81589</key>
            <summary>[CQF] Avoid optimizer round-trip for lowering of SargableNode for sampling queries</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="13201">Fixed</resolution>
                                        <assignee username="chii.huang@mongodb.com">Chi-I Huang</assignee>
                                    <reporter username="svilen.mihaylov@mongodb.com">Svilen Mihaylov</reporter>
                        <labels>
                    </labels>
                <created>Fri, 29 Sep 2023 20:05:59 +0000</created>
                <updated>Thu, 18 Jan 2024 20:56:31 +0000</updated>
                            <resolved>Tue, 16 Jan 2024 20:30:36 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="6023906" author="xgen-internal-githook" created="Thu, 18 Jan 2024 20:56:31 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;David Percy&apos;, &apos;email&apos;: &apos;david.percy@mongodb.com&apos;, &apos;username&apos;: &apos;dpercy&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-83757&quot; title=&quot;[CQF] Remember chunk boundaries for the duration of the query&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-83757&quot;&gt;&lt;del&gt;SERVER-83757&lt;/del&gt;&lt;/a&gt; &lt;span class=&quot;error&quot;&gt;&amp;#91;CQF&amp;#93;&lt;/span&gt; Add missing properties in sampling ImplementationVisitor.&lt;/p&gt;

&lt;p&gt;In a previous ticket &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-81589&quot; title=&quot;[CQF] Avoid optimizer round-trip for lowering of SargableNode for sampling queries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-81589&quot;&gt;&lt;del&gt;SERVER-81589&lt;/del&gt;&lt;/a&gt; we introduced this&lt;br/&gt;
ImplementationVisitor to avoid using OptPhaseManager for sampling&lt;br/&gt;
queries. It&apos;s responsible for producing a physical plan, and associated&lt;br/&gt;
properties in _propsMap. However we were missing a map entry for the&lt;br/&gt;
LimitSkipNode.&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: bd0a5cdba6720cac56d60b4f5848ac13166789df&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ba9c9d09055eb5a0b07b12c0755e9d6ce5dc43d9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ba9c9d09055eb5a0b07b12c0755e9d6ce5dc43d9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="6015214" author="xgen-internal-githook" created="Tue, 16 Jan 2024 20:16:18 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Chi-I Huang&apos;, &apos;email&apos;: &apos;8468853+chiihuang@users.noreply.github.com&apos;, &apos;username&apos;: &apos;chiihuang&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-81589&quot; title=&quot;[CQF] Avoid optimizer round-trip for lowering of SargableNode for sampling queries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-81589&quot;&gt;&lt;del&gt;SERVER-81589&lt;/del&gt;&lt;/a&gt; Remove optimization round-trip for sampling (#17027)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-81589&quot; title=&quot;[CQF] Avoid optimizer round-trip for lowering of SargableNode for sampling queries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-81589&quot;&gt;&lt;del&gt;SERVER-81589&lt;/del&gt;&lt;/a&gt; Remove optimization round-trip for sampling SargableNode&lt;/p&gt;

&lt;p&gt;Remove optimization round-trip by skipping MemoSubstitutionPhase and&lt;br/&gt;
MemoImplementationPhase for SargableNode. Since we skip the&lt;br/&gt;
implementation phase, we have a mini-version of SargableNode implementer&lt;br/&gt;
that creates a subtree FilterNode(s) - LimitSkipNode - PhyscalScanNode&lt;br/&gt;
with field projections.&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: 13ab277322258f5e16eb863ca7cbfd9f4b219b8b&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/527630e798abca18a9204d63e57afc69713a5801&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/527630e798abca18a9204d63e57afc69713a5801&lt;/a&gt;&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="2434119">SERVER-80732</issuekey>
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            <issuekey id="2434119">SERVER-80732</issuekey>
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            <issuekey id="2541321">SERVER-84713</issuekey>
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