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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-4675] QueryPattern does not consider type bracketing</title>
                <link>https://jira.mongodb.org/browse/SERVER-4675</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We have a QueryPattern class that categorizes the constraints for the fields of a query.  The current categories are Equality, UpperBound, LowerBound, and UpperAndLowerBound.  A constraint is determined to be an UpperBound constraint if the maximum matching BSONElement is not MaxKey but the minimum matching BSONElement is MinKey, and corresponding rules determine the remaining inequality bound categories.&lt;/p&gt;

&lt;p&gt;We also have a type bracketing policy for some query operators, where matches must be the same canonical type as the query value.  For example, in the query {a:{$lt:5}} the smallest matching BSONElement is the smallest number we can represent rather than MinKey.  This means that $lt:5 will mapped to the bound category UpperAndLowerBound because of the way its index range is bounded on both sides.  We might want classify such cases as UpperBound instead, since the lower bound is created by type bracketing rather than an explicit query constraint.&lt;/p&gt;</description>
                <environment></environment>
        <key id="28237">SERVER-4675</key>
            <summary>QueryPattern does not consider type bracketing</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
                            <label>query_triage</label>
                    </labels>
                <created>Fri, 13 Jan 2012 05:25:16 +0000</created>
                <updated>Wed, 10 Dec 2014 23:14:32 +0000</updated>
                            <resolved>Mon, 9 Dec 2013 22:07:26 +0000</resolved>
                                                                                        <votes>0</votes>
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                            <comment id="80878" author="auto" created="Thu, 19 Jan 2012 02:09:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;astaple&apos;, u&apos;name&apos;: u&apos;Aaron&apos;, u&apos;email&apos;: u&apos;aaron@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-4675&quot; title=&quot;QueryPattern does not consider type bracketing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-4675&quot;&gt;&lt;del&gt;SERVER-4675&lt;/del&gt;&lt;/a&gt; descriptive test&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/446accecc4c9f13fb83d952f8989273ca95d30b1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/446accecc4c9f13fb83d952f8989273ca95d30b1&lt;/a&gt;&lt;/p&gt;</comment>
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