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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>
    </build-info>


<item>
            <title>[SERVER-8564] Clean up unneeded code for $natural hint overriding $natural sort </title>
                <link>https://jira.mongodb.org/browse/SERVER-8564</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Right now the only way to return documents in natural order is to use a collection scan cursor (not an index cursor).  And, currently, if both an index hint and natural ordering are specified for a query, the hint will supersede the natural ordering spec and the results will not be returned in natural order.  Instead, hinting an index that cannot be used to retrieve results in natural order should produce an error.&lt;/p&gt;

&lt;p&gt;Test&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;
		&lt;tbody &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-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;c = db.c;&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;c.drop();&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;c.ensureIndex( { a:1 } );&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;c.save( { a:2 } );&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;c.save( { a:1 } );&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;&amp;nbsp;&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;printjson( c.find( { a:{ $gt:0 } } ).sort( { $natural:1 } ).hint( { a:1 } ).toArray() );&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;printjson( c.find( { a:{ $gt:0 } } ).sort( { $natural:1 } ).hint( { a:1 } ).explain() );&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="65229">SERVER-8564</key>
            <summary>Clean up unneeded code for $natural hint overriding $natural sort </summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Thu, 14 Feb 2013 00:20:51 +0000</created>
                <updated>Tue, 6 Dec 2022 05:24:44 +0000</updated>
                                                                            <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1162769" author="rassi@10gen.com" created="Wed, 3 Feb 2016 19:45:08 +0000"  >&lt;p&gt;After we resolved this ticket, I found &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.3.1/src/mongo/db/query/query_planner.cpp#L456-L479&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;related code in query_planner.cpp&lt;/a&gt; that could use cleaning up.  Re-opening this ticket to track that work.&lt;/p&gt;</comment>
                            <comment id="1162352" author="tess.avitabile" created="Wed, 3 Feb 2016 15:28:54 +0000"  >&lt;p&gt;Hint no longer overrides natural sort. Now a hint that is inconsistent with a natural sort is an error. A hint is inconsistent with a natural sort if it uses an index or is a natural sort in the opposite direction.&lt;/p&gt;</comment>
                            <comment id="1162343" author="xgen-internal-githook" created="Wed, 3 Feb 2016 15:26:37 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;tessavitabile&apos;, u&apos;name&apos;: u&apos;Tess Avitabile&apos;, u&apos;email&apos;: u&apos;tess.avitabile@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8564&quot; title=&quot;Clean up unneeded code for $natural hint overriding $natural sort &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8564&quot;&gt;SERVER-8564&lt;/a&gt; An index hint inconsistent with requested natural order sort should be an error&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bb2f3aebc4c4ce5fd15c44ebca6d66dc0542562d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bb2f3aebc4c4ce5fd15c44ebca6d66dc0542562d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1162342" author="xgen-internal-githook" created="Wed, 3 Feb 2016 15:26:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;tessavitabile&apos;, u&apos;name&apos;: u&apos;Tess Avitabile&apos;, u&apos;email&apos;: u&apos;tess.avitabile@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8564&quot; title=&quot;Clean up unneeded code for $natural hint overriding $natural sort &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8564&quot;&gt;SERVER-8564&lt;/a&gt; Clean up CanonicalQuery::isValid()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/407457dc34ea5afc3b983096c80959815b888632&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/407457dc34ea5afc3b983096c80959815b888632&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="269400" author="aaron" created="Mon, 18 Feb 2013 18:35:38 +0000"  >&lt;p&gt;Natural order is not the same as disk loc order.&lt;/p&gt;</comment>
                            <comment id="268949" author="eliot" created="Mon, 18 Feb 2013 03:52:21 +0000"  >&lt;p&gt;Don&apos;t think this should error, should just use the index and then re-sort.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="65222">SERVER-8561</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="50001">SERVER-6979</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="65660">SERVER-8607</issuekey>
        </issuelink>
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