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            <title>[SERVER-4930] aggregation:  use dependency information to satisfy pipelines with index-only scans when possible</title>
                <link>https://jira.mongodb.org/browse/SERVER-4930</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If we know we don&apos;t need any fields beyond those available from an index, don&apos;t go to the source documents, just like index-only queries.&lt;/p&gt;</description>
                <environment></environment>
        <key id="30379">SERVER-4930</key>
            <summary>aggregation:  use dependency information to satisfy pipelines with index-only scans when possible</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
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                        <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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="cwestin">Chris Westin</reporter>
                        <labels>
                    </labels>
                <created>Fri, 10 Feb 2012 20:25:15 +0000</created>
                <updated>Wed, 15 Aug 2012 14:04:13 +0000</updated>
                            <resolved>Fri, 25 May 2012 13:02:55 +0000</resolved>
                                                                    <component>Aggregation Framework</component>
                                        <votes>2</votes>
                                    <watches>2</watches>
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