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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-79518] [CQF] Fix CE computation during implementation of SargableNode</title>
                <link>https://jira.mongodb.org/browse/SERVER-79518</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If the PartialSchemaRequirements in a SargableNode are a single disjunction (all atoms AND&apos;d together), lowerPartialSchemaRequirements() silently ignores the cardinality of the first conjunct in the PSR when calculating the cardinality of newly introduced FilterNode (code &lt;a href=&quot;https://github.com/10gen/mongo/blob/7034c8a5e6a486cdbf6d1f39494252ff02b0b47e/src/mongo/db/query/optimizer/utils/utils.cpp#L1772-L1781&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;).&lt;/p&gt;</description>
                <environment></environment>
        <key id="2405469">SERVER-79518</key>
            <summary>[CQF] Fix CE computation during implementation of SargableNode</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="ben.shteinfeld@mongodb.com">Ben Shteinfeld</assignee>
                                    <reporter username="ben.shteinfeld@mongodb.com">Ben Shteinfeld</reporter>
                        <labels>
                    </labels>
                <created>Mon, 31 Jul 2023 19:03:43 +0000</created>
                <updated>Sun, 29 Oct 2023 21:18:13 +0000</updated>
                            <resolved>Tue, 1 Aug 2023 17:06:09 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5606583" author="xgen-internal-githook" created="Wed, 2 Aug 2023 04:14:02 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79518&quot; title=&quot;[CQF] Fix CE computation during implementation of SargableNode&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79518&quot;&gt;&lt;del&gt;SERVER-79518&lt;/del&gt;&lt;/a&gt; Fix cardinality estimation for nodes created during&lt;br/&gt;
SargableNode implementation&lt;/p&gt;

&lt;p&gt;This patch fixes a bug where we ignored the cardinality of the first&lt;br/&gt;
PartialSchemaRequirement in a SargableNode if the PSR is a single&lt;br/&gt;
disjunction.&lt;br/&gt;
Branch: minh.luu-no_compile_sys-perf&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1bc1c4152851dc18996dcefe396b74fb5d8db745&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1bc1c4152851dc18996dcefe396b74fb5d8db745&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5605329" author="xgen-internal-githook" created="Tue, 1 Aug 2023 16:22:18 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79518&quot; title=&quot;[CQF] Fix CE computation during implementation of SargableNode&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79518&quot;&gt;&lt;del&gt;SERVER-79518&lt;/del&gt;&lt;/a&gt; Fix cardinality estimation for nodes created during&lt;br/&gt;
SargableNode implementation&lt;/p&gt;

&lt;p&gt;This patch fixes a bug where we ignored the cardinality of the first&lt;br/&gt;
PartialSchemaRequirement in a SargableNode if the PSR is a single&lt;br/&gt;
disjunction.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1bc1c4152851dc18996dcefe396b74fb5d8db745&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1bc1c4152851dc18996dcefe396b74fb5d8db745&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2379551">SERVER-78507</issuekey>
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