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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>[DRIVERS-2765] Extended JSON spec mentions nothing about generating $uuid.</title>
                <link>https://jira.mongodb.org/browse/DRIVERS-2765</link>
                <project id="10980" key="DRIVERS">Drivers</project>
                    <description>&lt;div class=&quot;panel&quot; style=&quot;background-color: #fafbfc;border-color: #21313c;border-style: solid;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelContent&quot; style=&quot;background-color: #fafbfc;&quot;&gt;
&lt;h3&gt;&lt;a name=&quot;Summary&quot;&gt;&lt;/a&gt;&lt;b&gt;Summary&lt;/b&gt;&lt;/h3&gt;
&lt;p&gt;The current extended JSON spec discusses &lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/extended-json.rst#special-rules-for-parsing-uuid-fields&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;parsing of extended JSON $uuid&lt;/a&gt; but seems silent about generating that format.&lt;/p&gt;

&lt;p&gt;It would be advantageous for drivers to privilege that format when serializing BSON as extended JSON; thus, the spec should probably mention $uuid&#8217;s priority.&lt;/p&gt;

&lt;h3&gt;&lt;a name=&quot;Motivation&quot;&gt;&lt;/a&gt;&lt;b&gt;Motivation&lt;/b&gt;&lt;/h3&gt;
&lt;h4&gt;&lt;a name=&quot;Whoistheaffectedenduser%3F&quot;&gt;&lt;/a&gt;Who is the affected end user?&lt;/h4&gt;
&lt;p&gt;Humans who read extended JSON (e.g., log files)&#8212;support, developers, etc.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Howdoesthisaffecttheenduser%3F&quot;&gt;&lt;/a&gt;How does this affect the end user?&lt;/h4&gt;
&lt;p&gt;The base64 format is harder to parse. Oftentimes it&#8217;s necessary to paste it into `base64 -d | xxd` in order to get hex to compare against something else that serializes the same UUID to hex.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Howlikelyisitthatthisproblemorusecasewilloccur%3F&quot;&gt;&lt;/a&gt;How likely is it that this problem or use case will occur?&lt;/h4&gt;
&lt;p&gt;Almost every successful mongosync log probably has this problem. I can&#8217;t speak to its prevalence elsewhere.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Iftheproblemdoesoccur%2Cwhataretheconsequencesandhowseverearethey%3F&quot;&gt;&lt;/a&gt;If the problem does occur, what are the consequences and how severe are they?&lt;/h4&gt;
&lt;p&gt;Minor annoyance at a log message.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Isthisissueurgent%3F&quot;&gt;&lt;/a&gt;Is this issue urgent?&lt;/h4&gt;
&lt;p&gt;Not urgent.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Isthisticketrequiredbyadownstreamteam%3F&quot;&gt;&lt;/a&gt;Is this ticket required by a downstream team?&lt;/h4&gt;
&lt;p&gt;No, but it may affect things that expect $binary.&lt;/p&gt;
&lt;h4&gt;&lt;a name=&quot;Isthisticketonlyfortests%3F&quot;&gt;&lt;/a&gt;Is this ticket only for tests?&lt;/h4&gt;
&lt;p&gt;no&lt;/p&gt;
&lt;h3&gt;&lt;a name=&quot;AcceptanceCriteria&quot;&gt;&lt;/a&gt;&lt;b&gt;Acceptance Criteria&lt;/b&gt;&lt;/h3&gt;
&lt;p&gt;The extended JSON spec should mention generating $uuid, e.g.:&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Drivers MAY generate either $uuid or $binary. They MAY expose a control to allow callers to choose one output or the other.&lt;/li&gt;
	&lt;li&gt;Drivers SHOULD generate $uuid. They MAY expose a control to generate $binary instead, with appropriate discouragements in documentation.&lt;/li&gt;
	&lt;li&gt;Drivers MUST generate $uuid.&lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;&lt;/div&gt;</description>
                <environment></environment>
        <key id="2492881">DRIVERS-2765</key>
            <summary>Extended JSON spec mentions nothing about generating $uuid.</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="-1">Unassigned</assignee>
                                    <reporter username="felipe.gasper@mongodb.com">Felipe Gasper</reporter>
                        <labels>
                    </labels>
                <created>Tue, 7 Nov 2023 17:28:43 +0000</created>
                <updated>Tue, 7 Nov 2023 17:48:19 +0000</updated>
                                                                <component>Extended JSON</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
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