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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>[GODRIVER-1549] Handle empty tag sets in read preference</title>
                <link>https://jira.mongodb.org/browse/GODRIVER-1549</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst#tag_sets&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst#tag_sets&lt;/a&gt;&#160;says that an empty tag set (&lt;span class=&quot;error&quot;&gt;&amp;#91;{}&amp;#93;&lt;/span&gt;) should match all candidate servers because the empty list is a subset of every list. The driver code doesn&apos;t handle this case and would only match servers that explicitly have an empty tag in their tag set.&lt;/p&gt;

&lt;p&gt;We should also consider adding a spec test for this.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1299823">GODRIVER-1549</key>
            <summary>Handle empty tag sets in read preference</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="divjot.arora@mongodb.com">Divjot Arora</assignee>
                                    <reporter username="divjot.arora@mongodb.com">Divjot Arora</reporter>
                        <labels>
                    </labels>
                <created>Wed, 1 Apr 2020 14:50:13 +0000</created>
                <updated>Sat, 28 Oct 2023 11:38:15 +0000</updated>
                            <resolved>Fri, 3 Apr 2020 14:06:58 +0000</resolved>
                                                    <fixVersion>1.3.2</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3024993" author="xgen-internal-githook" created="Fri, 3 Apr 2020 14:06:52 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Divjot Arora&apos;, &apos;email&apos;: &apos;divjot.arora@10gen.com&apos;, &apos;username&apos;: &apos;divjotarora&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-1549&quot; title=&quot;Handle empty tag sets in read preference&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-1549&quot;&gt;&lt;del&gt;GODRIVER-1549&lt;/del&gt;&lt;/a&gt; Select all servers when an empty tag set is given (#352)&lt;br/&gt;
Branch: release/1.3&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/6bb0f152e6d94f068fe3d5a44a99ebb6ac0f28ad&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/6bb0f152e6d94f068fe3d5a44a99ebb6ac0f28ad&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3024980" author="xgen-internal-githook" created="Fri, 3 Apr 2020 14:05:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Divjot Arora&apos;, &apos;email&apos;: &apos;divjot.arora@10gen.com&apos;, &apos;username&apos;: &apos;divjotarora&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-1549&quot; title=&quot;Handle empty tag sets in read preference&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-1549&quot;&gt;&lt;del&gt;GODRIVER-1549&lt;/del&gt;&lt;/a&gt; Select all servers when an empty tag set is given (#352)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/4d93396f846e8c48fa04c2ed1a80e0fff21d6fc5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/4d93396f846e8c48fa04c2ed1a80e0fff21d6fc5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3023226" author="divjot.arora" created="Thu, 2 Apr 2020 15:01:05 +0000"  >&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/pull/352&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/pull/352&lt;/a&gt;&lt;/p&gt;</comment>
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