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            <title>[SERVER-4827] interleaved cursor results may contain some matches from non sparse index and some from sparse index</title>
                <link>https://jira.mongodb.org/browse/SERVER-4827</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently we have different matching semantics for sparse vs non sparse indexes (since sparse indexes don&apos;t contain documents lacking the indexed field, those are not returned).  With cursor interleaving in the query optimizer, if two indexes are used and one is sparse while the other is not, some documents may be loaded from each index.  The resulting matching semantics will not be the same as the current sparse or non sparse matching semantics.&lt;/p&gt;</description>
                <environment></environment>
        <key id="29527">SERVER-4827</key>
            <summary>interleaved cursor results may contain some matches from non sparse index and some from sparse index</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <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>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
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                <created>Tue, 31 Jan 2012 18:01:34 +0000</created>
                <updated>Thu, 16 Aug 2012 01:00:07 +0000</updated>
                            <resolved>Wed, 1 Feb 2012 06:18:54 +0000</resolved>
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