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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-2140] query optimizer should be able to pick index when there is no constraint on the first key</title>
                <link>https://jira.mongodb.org/browse/SERVER-2140</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Now that &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-1528&quot; title=&quot;with new index skipping, nscanned may not accurately predict time cost of a query&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-1528&quot;&gt;&lt;del&gt;SERVER-1528&lt;/del&gt;&lt;/a&gt; has been fixed, it probably makes sense to allow this.&lt;/p&gt;</description>
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        <key id="13787">SERVER-2140</key>
            <summary>query optimizer should be able to pick index when there is no constraint on the first key</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
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                <created>Tue, 23 Nov 2010 20:19:36 +0000</created>
                <updated>Thu, 29 Jan 2015 16:35:34 +0000</updated>
                            <resolved>Thu, 29 Jan 2015 16:35:33 +0000</resolved>
                                                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="816549" author="david.storch" created="Thu, 29 Jan 2015 16:35:08 +0000"  >&lt;p&gt;Closing as a duplicate of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-13197&quot; title=&quot;Tighten index bounds and allow compound index to be chosen when predicate on leading field is not provided&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-13197&quot;&gt;SERVER-13197&lt;/a&gt;, as this ticket describes the issue as it applies to 2.6 and has more context.&lt;/p&gt;</comment>
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