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    <title>MongoDB Jira</title>
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    <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-24134] Allow hashed index to support range queries on hashed values</title>
                <link>https://jira.mongodb.org/browse/SERVER-24134</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;since &lt;/p&gt;
{&quot;a&quot;:&quot;hashed&quot;}
&lt;p&gt; index has created, query such as &lt;/p&gt;
{ HASH(a) &amp;gt; low }
&lt;p&gt; is needed to support,&lt;/p&gt;</description>
                <environment></environment>
        <key id="286244">SERVER-24134</key>
            <summary>Allow hashed index to support range queries on hashed values</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>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="4">Incomplete</resolution>
                                        <assignee username="backlog-server-query">Backlog - Query Team</assignee>
                                    <reporter username="hustchensi">chensi</reporter>
                        <labels>
                    </labels>
                <created>Thu, 12 May 2016 08:58:17 +0000</created>
                <updated>Fri, 7 Apr 2023 11:42:57 +0000</updated>
                            <resolved>Tue, 5 Jul 2016 14:56:44 +0000</resolved>
                                                                    <component>Index Maintenance</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="1313900" author="ian@10gen.com" created="Tue, 5 Jul 2016 14:56:44 +0000"  >&lt;p&gt;We&apos;re closing this as Incomplete since we have not heard from the reporter in ~1 month.  Please re-open if you have any further context you can add.&lt;/p&gt;</comment>
                            <comment id="1282771" author="thomas.schubert" created="Thu, 2 Jun 2016 18:57:46 +0000"  >&lt;p&gt;I&apos;ve marked this ticket to be scheduled during the next round of planning. However, as Ramon mentioned, without a clearer explanation of the use case surrounding this feature request, it is challenging to evaluate its merit. The more information you can provide, the better context we will have.&lt;/p&gt;

&lt;p&gt;Could you please clarify why are you looking for this functionality in MongoDB? &lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
                            <comment id="1274818" author="hustchensi" created="Wed, 25 May 2016 14:37:27 +0000"  >&lt;p&gt;i just want to use the hash index. find records which hash(a) &amp;gt; x&lt;/p&gt;

&lt;p&gt;&#21457;&#33258;&#25105;&#30340; iPhone&lt;/p&gt;



</comment>
                            <comment id="1273709" author="ramon.fernandez" created="Tue, 24 May 2016 16:55:51 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=hustchensi&quot; class=&quot;user-hover&quot; rel=&quot;hustchensi&quot;&gt;hustchensi&lt;/a&gt;, if I understand correctly, if &lt;tt&gt;a&lt;/tt&gt; is a number this request assumes that if &lt;tt&gt;hash(a) &amp;gt; x&lt;/tt&gt;, &lt;tt&gt;hash(a+1) also &amp;gt; x&lt;/tt&gt;, and I don&apos;t think that&apos;s a fair assumption &amp;#8211; or am I missing something?&lt;/p&gt;

&lt;p&gt;I think that for this feature request to have merit you&apos;ll need to provide a more detailed use case with examples of the data and needs you have.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
                            <comment id="1267211" author="hustchensi" created="Wed, 18 May 2016 02:39:23 +0000"  >&lt;p&gt;since field &quot;a&quot; has a hashed index, i want to find data : the hashed value of &quot;a&quot; is in range &lt;span class=&quot;error&quot;&gt;&amp;#91;low, high&amp;#93;&lt;/span&gt;.&lt;br/&gt;
This just like the hashed index used when moveChunk hash-sharded collection&lt;/p&gt;</comment>
                            <comment id="1265582" author="thomas.schubert" created="Mon, 16 May 2016 21:31:41 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=hustchensi&quot; class=&quot;user-hover&quot; rel=&quot;hustchensi&quot;&gt;hustchensi&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thanks for creating this feature request. Unfortunately, I&apos;m not sure that I fully understand the behavior that you are requesting. &lt;/p&gt;

&lt;p&gt;As you know, hashed indexes do not support range queries. Instead, we recommend creating a non-hashed index on the same field to use for range queries. This is explained in our documentation &lt;a href=&quot;https://docs.mongodb.com/manual/core/index-hashed/#considerations&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Would you please clarify this feature request by describing your use case for this feature?&lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
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