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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-22786] Update index bounds builder to generate bounds using collation-generated comparison keys</title>
                <link>https://jira.mongodb.org/browse/SERVER-22786</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="267177">SERVER-22786</key>
            <summary>Update index bounds builder to generate bounds using collation-generated comparison keys</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="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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Mon, 22 Feb 2016 15:32:44 +0000</created>
                <updated>Thu, 14 Apr 2016 15:29:48 +0000</updated>
                            <resolved>Mon, 21 Mar 2016 17:51:40 +0000</resolved>
                                                    <fixVersion>3.3.4</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1209948" author="xgen-internal-githook" created="Mon, 21 Mar 2016 17:45:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22786&quot; title=&quot;Update index bounds builder to generate bounds using collation-generated comparison keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22786&quot;&gt;&lt;del&gt;SERVER-22786&lt;/del&gt;&lt;/a&gt; add query planner tests for collation&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6a1560d9eb3ceff3c9c61f011b0d3ccdd14eea4e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6a1560d9eb3ceff3c9c61f011b0d3ccdd14eea4e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1208067" author="xgen-internal-githook" created="Fri, 18 Mar 2016 16:46:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22786&quot; title=&quot;Update index bounds builder to generate bounds using collation-generated comparison keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22786&quot;&gt;&lt;del&gt;SERVER-22786&lt;/del&gt;&lt;/a&gt; update index bounds builder for collations&lt;/p&gt;

&lt;p&gt;The IndexBoundsBuilder must use collator-generated comparison keys&lt;br/&gt;
when generating bounds for strings, rather than the string itself.&lt;/p&gt;

&lt;p&gt;The bounds builder also enforces the property that regex predicates&lt;br/&gt;
cannot use tight bounds if the index has a collation.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d04989c650e1289e9d1a466c5e3b8e2dda9de782&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d04989c650e1289e9d1a466c5e3b8e2dda9de782&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1205386" author="xgen-internal-githook" created="Wed, 16 Mar 2016 15:32:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22786&quot; title=&quot;Update index bounds builder to generate bounds using collation-generated comparison keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22786&quot;&gt;&lt;del&gt;SERVER-22786&lt;/del&gt;&lt;/a&gt; add a collator to QueryPlannerParams&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7b56e0bc7adf21de37592aaf5137523841541f1d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7b56e0bc7adf21de37592aaf5137523841541f1d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1198397" author="xgen-internal-githook" created="Wed, 9 Mar 2016 22:16:17 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22786&quot; title=&quot;Update index bounds builder to generate bounds using collation-generated comparison keys&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22786&quot;&gt;&lt;del&gt;SERVER-22786&lt;/del&gt;&lt;/a&gt; add a CollatorInterface to IndexEntry&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2ed29a1fe25da8626bb80ba364edf2761777d3f3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2ed29a1fe25da8626bb80ba364edf2761777d3f3&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="261877">SERVER-22372</issuekey>
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