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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-72450] $or with regex to $in rewrite depends on terms order</title>
                <link>https://jira.mongodb.org/browse/SERVER-72450</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While working on &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-72416&quot; title=&quot;The find and findAndModify projection code does not honor the collection level collation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-72416&quot;&gt;&lt;del&gt;SERVER-72416&lt;/del&gt;&lt;/a&gt;, I&apos;ve noticed that the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/jstests/core/or_to_in.js&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;or_to_in.js&lt;/a&gt; is breaking when there is a collection level collation and no collation for the query. This is likely because the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/40e2c70e4b9518335d4cd9fede1b766ac80a0b57/src/mongo/db/matcher/expression_tree.cpp#L159-L208&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;re-write logic&lt;/a&gt; is not handling re-writes properly and the assertions in the &lt;tt&gt;or_to_in.js&lt;/tt&gt; are incorrect. I&apos;ve also noticed that &lt;a href=&quot;https://github.com/mongodb/mongo/blob/72ed3c5a8debbaeaf634fd58317743c724575b74/jstests/core/or_to_in.js#L40&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/72ed3c5a8debbaeaf634fd58317743c724575b74/jstests/core/or_to_in.js#L33&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this&lt;/a&gt; assertions are not doing anything, as they both generate the &lt;tt&gt;undefined&lt;/tt&gt; value. The path for &lt;tt&gt;parsedQuery&lt;/tt&gt; is &lt;tt&gt;plan.queryPlanner.parsedQuery&lt;/tt&gt;. We should also fix this assertion after figuring out the expected correct behavior. &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=ian.boros%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;ian.boros@mongodb.com&quot;&gt;ian.boros@mongodb.com&lt;/a&gt; pointed out that regex should not be collation aware. So we should probably disable all string and regex combination re-writes.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2221804">SERVER-72450</key>
            <summary>$or with regex to $in rewrite depends on terms order</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="timour.katchaounov@mongodb.com">Timour Katchaounov</assignee>
                                    <reporter username="arun.banala@mongodb.com">Arun Banala</reporter>
                        <labels>
                    </labels>
                <created>Fri, 30 Dec 2022 17:05:50 +0000</created>
                <updated>Sun, 29 Oct 2023 21:28:47 +0000</updated>
                            <resolved>Mon, 27 Mar 2023 07:45:30 +0000</resolved>
                                    <version>6.0.3</version>
                    <version>6.3.0-rc0</version>
                                    <fixVersion>7.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="5466424" author="JIRAUSER1258247" created="Thu, 1 Jun 2023 07:55:14 +0000"  >&lt;p&gt;These backports are required to address BF-28780.&lt;/p&gt;</comment>
                            <comment id="5301743" author="xgen-internal-githook" created="Mon, 27 Mar 2023 07:11:08 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Timour Katchaounov&apos;, &apos;email&apos;: &apos;timour.katchaounov@mongodb.com&apos;, &apos;username&apos;: &apos;timourk&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-72450&quot; title=&quot;$or with regex to $in rewrite depends on terms order&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-72450&quot;&gt;&lt;del&gt;SERVER-72450&lt;/del&gt;&lt;/a&gt; $or with regex to $in rewrite depends on terms order&lt;/p&gt;

&lt;p&gt;Make the $or-&amp;gt;$in rewrite indepent on the place where a regex appears in the $or.&lt;br/&gt;
Add tests to ensure the rewrite is order-independent.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b09d7d351ed9d2dcb807e7de79af65e93155175d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b09d7d351ed9d2dcb807e7de79af65e93155175d&lt;/a&gt;&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="2220745">SERVER-72416</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="514146">SERVER-34012</issuekey>
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