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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-71638] Don&apos;t let to hide the last shard key index using a key pattern</title>
                <link>https://jira.mongodb.org/browse/SERVER-71638</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When we have only one shard key index, we cannot hide it.&lt;/p&gt;

&lt;p&gt;This behaviour is implemented checking the name of the index:&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;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;assert&lt;/span&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;.commandFailed(coll.hideIndex(&lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;skey_1&quot;&lt;/span&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;)); &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// OK&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;But we can still hide the index using the key pattern (not correct):&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;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;assert&lt;/span&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;.commandFailed(coll.hideIndex({skey: &lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;1&lt;/span&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;})); &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// KO&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;And we will jump the checks and hide it.&lt;/p&gt;

&lt;p&gt;To be able to solve this issue we must get the indexName from the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/1bb999c4e26f989ac69bab0badd187ff5a3f6e6d/src/mongo/db/catalog/coll_mod.cpp#L291&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;cmrIndex-&amp;gt;idx&lt;/a&gt; and not from the local variable &lt;a href=&quot;https://github.com/mongodb/mongo/blob/1bb999c4e26f989ac69bab0badd187ff5a3f6e6d/src/mongo/db/catalog/coll_mod.cpp#L303&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;indexName&lt;/a&gt; in &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/catalog/coll_mod.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;coll_mod.cpp&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2195993">SERVER-71638</key>
            <summary>Don&apos;t let to hide the last shard key index using a key pattern</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="13201">Fixed</resolution>
                                        <assignee username="pol.pinol@mongodb.com">Pol Pinol</assignee>
                                    <reporter username="pol.pinol@mongodb.com">Pol Pinol</reporter>
                        <labels>
                    </labels>
                <created>Mon, 28 Nov 2022 09:35:27 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:02 +0000</updated>
                            <resolved>Mon, 19 Dec 2022 08:54:28 +0000</resolved>
                                    <version>6.0.3</version>
                    <version>6.1.0-rc4</version>
                    <version>6.2.0-rc1</version>
                    <version>6.3.0-rc0</version>
                                    <fixVersion>6.0.4</fixVersion>
                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5072656" author="xgen-internal-githook" created="Thu, 22 Dec 2022 14:06:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pol Pinol Castuera&apos;, &apos;email&apos;: &apos;pol.pinol@mongodb.com&apos;, &apos;username&apos;: &apos;PolPinol&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71638&quot; title=&quot;Don&amp;#39;t let to hide the last shard key index using a key pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71638&quot;&gt;&lt;del&gt;SERVER-71638&lt;/del&gt;&lt;/a&gt; Don&apos;t let to hide the last shard key index using a key pattern&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 24f7086280a10a2d3f8a19ae42900a270c455bba)&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6bf83b49b7addb3b111c6ca7c2ba33e652f971af&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6bf83b49b7addb3b111c6ca7c2ba33e652f971af&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5063451" author="xgen-internal-githook" created="Mon, 19 Dec 2022 08:51:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pol Pinol Castuera&apos;, &apos;email&apos;: &apos;pol.pinol@mongodb.com&apos;, &apos;username&apos;: &apos;PolPinol&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71638&quot; title=&quot;Don&amp;#39;t let to hide the last shard key index using a key pattern&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71638&quot;&gt;&lt;del&gt;SERVER-71638&lt;/del&gt;&lt;/a&gt; Don&apos;t let to hide the last shard key index using a key pattern&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/24f7086280a10a2d3f8a19ae42900a270c455bba&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/24f7086280a10a2d3f8a19ae42900a270c455bba&lt;/a&gt;&lt;/p&gt;</comment>
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