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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-56904] Move exec translation into the various subclasses of wf::Expression</title>
                <link>https://jira.mongodb.org/browse/SERVER-56904</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The current class hierarchy assumes that all window function expressions have a removable and non-removable variety. And the current translation code expects that the variety of executor depends only on the bound type (lower unbounded vs. not and document vs range bounds).&#160; This turns out not to be the case for roughly a third of our expressions, so these classes have the potential at runtime to throw exceptions, since they still have to implement&#160;buildAccumulatorOnly and buildRemovable.&#160;&lt;/p&gt;

&lt;p&gt;The proposal is to move the translation logic into the expression classes as Expression::translate, and leave buildAccumulatorOnly and buildRemovable as private methods only where they make sense.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1713209">SERVER-56904</key>
            <summary>Move exec translation into the various subclasses of wf::Expression</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="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-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="joel.redman@mongodb.com">Joel Redman</reporter>
                        <labels>
                            <label>quick-tech-debt</label>
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                <created>Wed, 12 May 2021 21:48:53 +0000</created>
                <updated>Tue, 6 Dec 2022 01:18:35 +0000</updated>
                                            <version>5.0 Desired</version>
                                                                        <votes>0</votes>
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