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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-12056] hint() is not respected in find()</title>
                <link>https://jira.mongodb.org/browse/SERVER-12056</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Triage update:&lt;/p&gt;

&lt;p&gt;Under 2.4.8, the planner generates a single indexed solution when a hint is provided.&lt;br/&gt;
Under 2.5.4, a collection scan is generated in addition to the indexed solution. It&apos;s possible for the collection scan to be ranked higher than the indexed solution, resulting in the hinted solution being ignored.&lt;/p&gt;

&lt;p&gt;------&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;mongo --shell test.js&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; use dummy&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;switched to db dummy&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; doit()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;BasicCursor&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Expected to see &quot;BtreeCursor ace.val_1 multi&quot; output.&lt;/p&gt;</description>
                <environment></environment>
        <key id="101962">SERVER-12056</key>
            <summary>hint() is not respected in find()</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="alex.komyagin@mongodb.com">Alexander Komyagin</reporter>
                        <labels>
                            <label>query_triage</label>
                    </labels>
                <created>Wed, 11 Dec 2013 22:17:33 +0000</created>
                <updated>Mon, 11 Jul 2016 17:40:13 +0000</updated>
                            <resolved>Mon, 16 Dec 2013 22:44:04 +0000</resolved>
                                    <version>2.5.4</version>
                                    <fixVersion>2.5.5</fixVersion>
                                    <component>Index Maintenance</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="471476" author="xgen-internal-githook" created="Mon, 16 Dec 2013 22:43:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-12056&quot; title=&quot;hint() is not respected in find()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-12056&quot;&gt;&lt;del&gt;SERVER-12056&lt;/del&gt;&lt;/a&gt; query planner should generate at least one indexed solution when a hint is provided.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d68f6bccbf4f1acdf09b1546ee9883821b7a9edd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d68f6bccbf4f1acdf09b1546ee9883821b7a9edd&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="43295">SERVER-6293</issuekey>
        </issuelink>
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                <attachments>
                            <attachment id="35364" name="server12056.js" size="1208" author="benety.goh@mongodb.com" created="Fri, 13 Dec 2013 15:29:28 +0000"/>
                            <attachment id="35314" name="server12056.js" size="1491" author="benety.goh@mongodb.com" created="Thu, 12 Dec 2013 16:33:32 +0000"/>
                            <attachment id="35288" name="test.js" size="281" author="alex.komyagin@mongodb.com" created="Wed, 11 Dec 2013 23:34:06 +0000"/>
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