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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-37949] DocumentSourceChangeStreamTransform should not swap with $limit or $match</title>
                <link>https://jira.mongodb.org/browse/SERVER-37949</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Because the DocumentSourceChangeStreamTransform can change the amount of documents it is incorrect to swap it with $limit or $match. &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a66a5578d5b006cef85b16eac05c96b58c877ebe/src/mongo/db/pipeline/document_source_change_stream_transform.cpp#L132-L133&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;These lines are incorrect&lt;/a&gt;. This ticket is to investigate the need of backporting the removal of these lines which was applied to master as part of the fix for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28592&quot; title=&quot;Move $sample earlier in the aggregation pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28592&quot;&gt;&lt;del&gt;SERVER-28592&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="629833">SERVER-37949</key>
            <summary>DocumentSourceChangeStreamTransform should not swap with $limit or $match</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="jacob.evans@mongodb.com">Jacob Evans</assignee>
                                    <reporter username="jacob.evans@mongodb.com">Jacob Evans</reporter>
                        <labels>
                    </labels>
                <created>Tue, 6 Nov 2018 18:36:26 +0000</created>
                <updated>Sun, 29 Oct 2023 22:26:51 +0000</updated>
                            <resolved>Thu, 15 Nov 2018 17:41:25 +0000</resolved>
                                                    <fixVersion>4.0 Required</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="2063477" author="xgen-internal-githook" created="Thu, 15 Nov 2018 17:40:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jacob Evans&apos;, &apos;email&apos;: &apos;jacob.evans@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37949&quot; title=&quot;DocumentSourceChangeStreamTransform should not swap with $limit or $match&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37949&quot;&gt;&lt;del&gt;SERVER-37949&lt;/del&gt;&lt;/a&gt; DocumentSourceChangeStreamTransform should not swap with $limit or $match&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9592f2fd0759864eab470f58e47a3a52872b607f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9592f2fd0759864eab470f58e47a3a52872b607f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2057278" author="ian@10gen.com" created="Fri, 9 Nov 2018 16:28:49 +0000"  >&lt;p&gt;erring on the assumption that jacob will just backport the relevant part of the patch that already went into master.&lt;/p&gt;</comment>
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