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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-16308] Emitting arrays as ids in the map() function of the MR framework should not be allowed</title>
                <link>https://jira.mongodb.org/browse/SERVER-16308</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Array-ids don&apos;t make much sense there, and we build a unique index on them, which almost certainly won&apos;t work the way users think, as it indexes individual elements inside those arrays.&lt;/p&gt;

&lt;p&gt;I think we should explicitly disallow emitting arrays as ids in the map() function, and throw an error.&lt;/p&gt;</description>
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        <key id="171103">SERVER-16308</key>
            <summary>Emitting arrays as ids in the map() function of the MR framework should not be allowed</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-execution">Backlog - Query Execution</assignee>
                                    <reporter username="alex.komyagin@mongodb.com">Alexander Komyagin</reporter>
                        <labels>
                    </labels>
                <created>Tue, 25 Nov 2014 01:14:44 +0000</created>
                <updated>Tue, 6 Dec 2022 04:58:48 +0000</updated>
                                                                            <component>MapReduce</component>
                                        <votes>0</votes>
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