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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-61737] Make a deep copy of RuntimeEnvironment for SBE plans to cache</title>
                <link>https://jira.mongodb.org/browse/SERVER-61737</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently when we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/exec/sbe/expressions/expression.cpp#L913-L918&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;copy a sbe::RuntimeEnvironment&lt;/a&gt; we only copy the Accessors but the State(including the slots, the type and the state of the slots) is shared among copies. This might cause problems when a real copy of RuntimeEnvironment is needed for Plan caching.&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Imagine a case where some data in the RuntimeEnvironment should not be stored in the SBE plan cache, we would need to strip it out from the RuntimeEnvironment before caching the plan, which could affect the plan being executed. Note that the cached plan and the plan to execute share all the slots in RuntimeEnvironment.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1933550">SERVER-61737</key>
            <summary>Make a deep copy of RuntimeEnvironment for SBE plans to cache</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="ruoxin.xu@mongodb.com">Ruoxin Xu</assignee>
                                    <reporter username="ruoxin.xu@mongodb.com">Ruoxin Xu</reporter>
                        <labels>
                    </labels>
                <created>Thu, 25 Nov 2021 11:46:37 +0000</created>
                <updated>Sun, 29 Oct 2023 21:45:37 +0000</updated>
                            <resolved>Fri, 21 Jan 2022 15:01:33 +0000</resolved>
                                                    <fixVersion>5.3.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4305438" author="xgen-internal-githook" created="Fri, 21 Jan 2022 13:34:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ruoxin Xu&apos;, &apos;email&apos;: &apos;ruoxin.xu@mongodb.com&apos;, &apos;username&apos;: &apos;RuoxinXu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61737&quot; title=&quot;Make a deep copy of RuntimeEnvironment for SBE plans to cache&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61737&quot;&gt;&lt;del&gt;SERVER-61737&lt;/del&gt;&lt;/a&gt; Make a deep copy of RuntimeEnvironment for SBE plans to cache&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/86c4fdeebf9a956e75b0fa12a77a8eeb5ad8dcb4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/86c4fdeebf9a956e75b0fa12a77a8eeb5ad8dcb4&lt;/a&gt;&lt;/p&gt;</comment>
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