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            <title>[SERVER-71974] Delete SBE TraverseStage</title>
                <link>https://jira.mongodb.org/browse/SERVER-71974</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As part of the &quot;improve SBE performance&quot; project, we have been working to eliminate the remaining uses of the &lt;tt&gt;TraverseStage&lt;/tt&gt; in the code base, instead favoring the &lt;tt&gt;traverseF&lt;/tt&gt; and &lt;tt&gt;traverseP&lt;/tt&gt; builtin functions for doing array traversal. The reason is that we have found that plans constructed to implement MQL queries using &lt;tt&gt;traverseF&lt;/tt&gt;/&lt;tt&gt;traverseP&lt;/tt&gt; tend to have substantially better performance than those constructed using &lt;tt&gt;TraverseStage&lt;/tt&gt;. Note that the Bonsai optimizer will also use &lt;tt&gt;traverseF&lt;/tt&gt;/&lt;tt&gt;traverseP&lt;/tt&gt; instead of &lt;tt&gt;TraverseStage&lt;/tt&gt; when doing ABT lowering.&lt;/p&gt;

&lt;p&gt;Once &lt;tt&gt;TraverseStage&lt;/tt&gt; is no longer used, there is probably not a huge motivation to keep it around in the code base. We should consider deleting it.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2206585">SERVER-71974</key>
            <summary>Delete SBE TraverseStage</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
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                <created>Thu, 8 Dec 2022 20:41:37 +0000</created>
                <updated>Tue, 14 Mar 2023 17:39:51 +0000</updated>
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