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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-27008] Avoid unnecessary use of FieldPath inside ExpressionObject</title>
                <link>https://jira.mongodb.org/browse/SERVER-27008</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Inside &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.4.0-rc1/src/mongo/db/pipeline/expression.cpp#L1239&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;ExpressionObject::evaluateInternal()&lt;/tt&gt;&lt;/a&gt; we use &lt;tt&gt;MutableDocument::setNestedField()&lt;/tt&gt; and a &lt;tt&gt;FieldPath&lt;/tt&gt;, perhaps to handle dotted paths? But when parsing &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.4.0-rc1/src/mongo/db/pipeline/expression.cpp#L1209&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;we assert the field names do not contain dots&lt;/a&gt;. We should use &lt;tt&gt;MutableDocument::addField()&lt;/tt&gt; and stick with the string for both performance and clarity.&lt;/p&gt;</description>
                <environment></environment>
        <key id="331359">SERVER-27008</key>
            <summary>Avoid unnecessary use of FieldPath inside ExpressionObject</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="9">Done</resolution>
                                        <assignee username="charlie.swanson@mongodb.com">Charlie Swanson</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                    </labels>
                <created>Fri, 11 Nov 2016 21:11:14 +0000</created>
                <updated>Sat, 19 Nov 2016 00:04:43 +0000</updated>
                            <resolved>Mon, 14 Nov 2016 18:38:26 +0000</resolved>
                                    <version>3.4.0-rc3</version>
                                    <fixVersion>3.4.0-rc4</fixVersion>
                                    <component>Aggregation Framework</component>
                    <component>Performance</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1435815" author="xgen-internal-githook" created="Wed, 16 Nov 2016 18:34:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;cswanson310@gmail.com&apos;}
&lt;p&gt;Message: PERF-875 Add performance test for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27008&quot; title=&quot;Avoid unnecessary use of FieldPath inside ExpressionObject&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27008&quot;&gt;&lt;del&gt;SERVER-27008&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-perf/commit/0225175efa85f157a18f5022b59676e62e1fb62b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-perf/commit/0225175efa85f157a18f5022b59676e62e1fb62b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1433533" author="xgen-internal-githook" created="Mon, 14 Nov 2016 18:38:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;charlie.swanson@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27008&quot; title=&quot;Avoid unnecessary use of FieldPath inside ExpressionObject&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27008&quot;&gt;&lt;del&gt;SERVER-27008&lt;/del&gt;&lt;/a&gt; Remove unnecessary use of FieldPath&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1b1ac4cb6da9bc6f825bbc68861c6d93ddb01f9d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1b1ac4cb6da9bc6f825bbc68861c6d93ddb01f9d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1433532" author="xgen-internal-githook" created="Mon, 14 Nov 2016 18:37:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;cswanson310&apos;, u&apos;name&apos;: u&apos;Charlie Swanson&apos;, u&apos;email&apos;: u&apos;cswanson310@gmail.com&apos;}
&lt;p&gt;Message: PERF-875 Add performance test for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27008&quot; title=&quot;Avoid unnecessary use of FieldPath inside ExpressionObject&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27008&quot;&gt;&lt;del&gt;SERVER-27008&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: develop&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-perf/commit/0225175efa85f157a18f5022b59676e62e1fb62b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-perf/commit/0225175efa85f157a18f5022b59676e62e1fb62b&lt;/a&gt;&lt;/p&gt;</comment>
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