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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-72020] [CQF] Make sure computed fields are not redundantly pulled from storage</title>
                <link>https://jira.mongodb.org/browse/SERVER-72020</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In the classic engine there is a bug in dependency tracking that can result in a suboptimal plan.  If the query computes a field, and then depends on it later:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;
&lt;p&gt;then we redundantly pull &apos;a&apos; from storage (the collection or an index).&lt;/p&gt;

&lt;p&gt;When we implement computed fields in Bonsai, we should make sure to test this case.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2207561">SERVER-72020</key>
            <summary>[CQF] Make sure computed fields are not redundantly pulled from storage</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="david.percy@mongodb.com">David Percy</reporter>
                        <labels>
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                <created>Fri, 9 Dec 2022 21:02:54 +0000</created>
                <updated>Sat, 10 Dec 2022 01:01:12 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>4</watches>
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