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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-58342] Allow specifying of reshardCollection zones to be empty</title>
                <link>https://jira.mongodb.org/browse/SERVER-58342</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;h3&gt;&lt;a name=&quot;Steps&quot;&gt;&lt;/a&gt;Steps&lt;/h3&gt;
&lt;ol&gt;
	&lt;li&gt;Specify zones for a sharded collection&lt;/li&gt;
	&lt;li&gt;Run reshardCollection with the zones argument specified, but &lt;em&gt;empty.&lt;/em&gt;&lt;/li&gt;
	&lt;li&gt;The server will error out &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f21fd69c967a54ada19e2ff0c14bd28d8b2d8fd1/src/mongo/db/s/config/initial_split_policy.cpp#L737&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;It is legal to specify an empty argument for zones even if there already exist zones in the collection &amp;#8211; doing so should be equivalent to saying &quot;the collection resharded under the new key should not use zones.&quot;&lt;/p&gt;

&lt;p&gt;The solution lies in either allowing an empty zones object at the level of the initial split code, or feeding the initial split code &lt;tt&gt;boost::none&lt;/tt&gt; if the zones object is empty at the level of the resharding coordinator.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1811234">SERVER-58342</key>
            <summary>Allow specifying of reshardCollection zones to be empty</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="haley.connelly@mongodb.com">Haley Connelly</assignee>
                                    <reporter username="blake.oler@mongodb.com">Blake Oler</reporter>
                        <labels>
                            <label>PM-234-M3</label>
                            <label>PM-234-T-autocommits</label>
                    </labels>
                <created>Wed, 7 Jul 2021 19:52:21 +0000</created>
                <updated>Sun, 29 Oct 2023 21:51:13 +0000</updated>
                            <resolved>Thu, 29 Jul 2021 19:34:36 +0000</resolved>
                                    <version>5.0.0-rc8</version>
                                    <fixVersion>5.0.3</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4107401" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:25:33 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="4005324" author="xgen-internal-githook" created="Tue, 17 Aug 2021 21:00:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Haley Connelly&apos;, &apos;email&apos;: &apos;haley.connelly@mongodb.com&apos;, &apos;username&apos;: &apos;haleyConnelly&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58342&quot; title=&quot;Allow specifying of reshardCollection zones to be empty&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58342&quot;&gt;&lt;del&gt;SERVER-58342&lt;/del&gt;&lt;/a&gt; Allow specifying of reshardCollection zones to be empty&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 68f6c01d0f0452a9aef96e2da6289ce40fac2e41)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ab120562f17f1ff040933ecd77088f78ac6fdc83&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ab120562f17f1ff040933ecd77088f78ac6fdc83&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3971336" author="xgen-internal-githook" created="Thu, 29 Jul 2021 18:18:42 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Haley Connelly&apos;, &apos;email&apos;: &apos;haley.connelly@mongodb.com&apos;, &apos;username&apos;: &apos;haleyConnelly&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58342&quot; title=&quot;Allow specifying of reshardCollection zones to be empty&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58342&quot;&gt;&lt;del&gt;SERVER-58342&lt;/del&gt;&lt;/a&gt; Allow specifying of reshardCollection zones to be empty&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/68f6c01d0f0452a9aef96e2da6289ce40fac2e41&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/68f6c01d0f0452a9aef96e2da6289ce40fac2e41&lt;/a&gt;&lt;/p&gt;</comment>
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                            <attachment id="323917" name="repro.txt" size="638" author="blake.oler@mongodb.com" created="Wed, 7 Jul 2021 19:54:36 +0000"/>
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