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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-79820] Fix ord.js so it ensures an ixscan plan is used</title>
                <link>https://jira.mongodb.org/browse/SERVER-79820</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The ord.js file tests that &quot;dropping indexes required by an indexed $or causes the query to fail cleanly&quot;. But, with CQF, we may choose a collscan for the query, since neither of the predicates are particularly selective.&lt;/p&gt;

&lt;p&gt;This test relies on the query optimizer choosing an ixscan plan, so it should hint an index or make the predicates more selective to ensure this is true.&lt;/p&gt;

&lt;p&gt;Note that this only affects CQF M4.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2411679">SERVER-79820</key>
            <summary>Fix ord.js so it ensures an ixscan plan is used</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="hana.pearlman@mongodb.com">Hana Pearlman</assignee>
                                    <reporter username="hana.pearlman@mongodb.com">Hana Pearlman</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 Aug 2023 12:17:53 +0000</created>
                <updated>Sun, 29 Oct 2023 21:17:49 +0000</updated>
                            <resolved>Thu, 10 Aug 2023 17:44:42 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5626810" author="xgen-internal-githook" created="Thu, 10 Aug 2023 17:44:23 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Hana Pearlman&apos;, &apos;email&apos;: &apos;hana.pearlman@mongodb.com&apos;, &apos;username&apos;: &apos;HanaPearlman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79820&quot; title=&quot;Fix ord.js so it ensures an ixscan plan is used&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79820&quot;&gt;&lt;del&gt;SERVER-79820&lt;/del&gt;&lt;/a&gt;: Modify ord.js to make it more like to use index union plan&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0e28ade31f585e6c91e257a4986b34250a5dc89c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0e28ade31f585e6c91e257a4986b34250a5dc89c&lt;/a&gt;&lt;/p&gt;</comment>
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