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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-56872] Add optimization function to apply $match predicates on change streams events directly to oplog entry</title>
                <link>https://jira.mongodb.org/browse/SERVER-56872</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This optimization function will recognize when a $match applies directly to the output of a $changeStream and construct the additional filters that make it safe to apply $match predicates to the oplog entry without the risk of filtering out transactions or applyOps events.&lt;/p&gt;

&lt;p&gt;There will also be infrastructure to apply the needed rewrites to fields in the $match so that predicates can be applied for oplog entries, but the rewrites themselves will be implemented in future tickets.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1711413">SERVER-56872</key>
            <summary>Add optimization function to apply $match predicates on change streams events directly to oplog entry</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="justin.seyster@mongodb.com">Justin Seyster</assignee>
                                    <reporter username="justin.seyster@mongodb.com">Justin Seyster</reporter>
                        <labels>
                    </labels>
                <created>Wed, 12 May 2021 00:00:22 +0000</created>
                <updated>Sun, 29 Oct 2023 21:53:42 +0000</updated>
                            <resolved>Wed, 4 Aug 2021 00:08:14 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4108110" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:57:20 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3985713" author="xgen-internal-githook" created="Fri, 6 Aug 2021 16:57:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Justin Seyster&apos;, &apos;email&apos;: &apos;justin.seyster@mongodb.com&apos;, &apos;username&apos;: &apos;jseyster&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56872&quot; title=&quot;Add optimization function to apply $match predicates on change streams events directly to oplog entry&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56872&quot;&gt;&lt;del&gt;SERVER-56872&lt;/del&gt;&lt;/a&gt; Pass &apos;allowInexact&apos; to change streams rewrite functions.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b98df93ad2046a5b69f353a7d7b11dca25ef7fbe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b98df93ad2046a5b69f353a7d7b11dca25ef7fbe&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3979275" author="xgen-internal-githook" created="Tue, 3 Aug 2021 21:46:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Justin Seyster&apos;, &apos;email&apos;: &apos;justin.seyster@mongodb.com&apos;, &apos;username&apos;: &apos;jseyster&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56872&quot; title=&quot;Add optimization function to apply $match predicates on change streams events directly to oplog entry&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56872&quot;&gt;&lt;del&gt;SERVER-56872&lt;/del&gt;&lt;/a&gt; Optimize $match in change stream pipeline&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c34976fc8f460bdc53440820a5b4d5de035de968&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c34976fc8f460bdc53440820a5b4d5de035de968&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1628988">SERVER-54677</issuekey>
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