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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-82979] Resolve inconsistency in ABT and SBE assumptions for duplicate predicates in $or</title>
                <link>https://jira.mongodb.org/browse/SERVER-82979</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If there are predicates over the same path in $or, they are translated into $in during match expression optimization. It also provides deduplication, so for the query above, we&apos;d get a.b $in [ 1.0 ].&lt;/p&gt;

&lt;p&gt;Currently, ABT translation and optimization transforms a singleton $in array into an Operations::Eq and extracts the value from the array. However, parameter binding in SBE stores all $in arrays as inListData (regardless of the size), and expects to use isMember to perform matching. We cannot compare an integer in a query predicate to an InListData member containing that element, so no matches are returned in the above case.&lt;/p&gt;

&lt;p&gt;Proposed Fix: In Bonsai, bind a single value when parameterizing $in&#8217;s with singleton lists in bind_input_params.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2494687">SERVER-82979</key>
            <summary>Resolve inconsistency in ABT and SBE assumptions for duplicate predicates in $or</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="lynne.wang@mongodb.com">Lynne Wang</assignee>
                                    <reporter username="lynne.wang@mongodb.com">Lynne Wang</reporter>
                        <labels>
                    </labels>
                <created>Wed, 8 Nov 2023 20:34:17 +0000</created>
                <updated>Mon, 4 Dec 2023 17:32:35 +0000</updated>
                            <resolved>Wed, 29 Nov 2023 15:47:55 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5923766" author="JIRAUSER1269543" created="Mon, 4 Dec 2023 17:32:26 +0000"  >&lt;p&gt;Fix for &lt;a href=&quot;https://jira.mongodb.org/browse/BF-31020&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;BF-31020&lt;/a&gt; - for tests in upsert_fields.js to work as expected, an additional call to MatchExpression::optimize must be made in ListOfMatchExpression optimization (when $or becomes $in) on the generated InExpression.&lt;/p&gt;</comment>
                            <comment id="5910649" author="xgen-internal-githook" created="Tue, 28 Nov 2023 21:33:00 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Lynne Wang&apos;, &apos;email&apos;: &apos;lynne.wang@mongodb.com&apos;, &apos;username&apos;: &apos;lynne-wang&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-82979&quot; title=&quot;Resolve inconsistency in ABT and SBE assumptions for duplicate predicates in $or&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-82979&quot;&gt;&lt;del&gt;SERVER-82979&lt;/del&gt;&lt;/a&gt; Resolve inconsistency in ABT and SBE assumptions for duplicate predicates in $or&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3cbf67aa94e9cc1fe9b6c67200dcdc17738c708b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3cbf67aa94e9cc1fe9b6c67200dcdc17738c708b&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2487245">SERVER-82642</issuekey>
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                            <customfieldvalue>&lt;p&gt;Failing Test: &lt;a href=&quot;https://parsley.mongodb.com/resmoke/f5caa1b9840cb1ae9e1274cdc1e36e50/test/1795209b9a7cacb94d5f3018d215917a?bookmarks=0,794&amp;amp;shareLine=778&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;jstests/query_golden/match_with_and_or.js&lt;/a&gt;&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;When we run a $or find query over two duplicate predicates with parameterization, no results are getting returned&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Failing Query:&lt;/p&gt;

&lt;p&gt;{{[{&quot;$match&quot;:{&quot;&lt;/p&gt;

&lt;p&gt;$or&quot;:[&lt;/p&gt;

{&quot;a&quot;:1}
&lt;p&gt;,{&quot;a&quot;:1}&lt;/p&gt;

&lt;p&gt;] }}]}}&lt;/p&gt;</customfieldvalue>

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