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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-12972] DBClientReplicaSet should ignore value of &quot;inline&quot; field of MapReduce commands</title>
                <link>https://jira.mongodb.org/browse/SERVER-12972</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The server reacts to the presence of an &quot;inline&quot; field and ignores its value. This means that even {inline:false} is treated as an inline MapReduce. The C++ driver should use the same rules.&lt;/p&gt;

&lt;p&gt;Original description:&lt;/p&gt;

&lt;p&gt;Noticed this in 2.6.0-rc0&apos;s source, but the code probably goes back much further. I&apos;m not sure if this affects sharding, since it may just respect the driver&apos;s read preference &amp;#8211; but I assume DBClientReplicaSet is the C++ driver.&lt;/p&gt;

&lt;blockquote&gt;
&lt;p&gt;The C++ driver (or whatever DBClient is) expects a truthy value: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3779bf419438d2625277cf3c1c7216c497f683a8/src/mongo/client/dbclient_rs.cpp#L256&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/3779bf419438d2625277cf3c1c7216c497f683a8/src/mongo/client/dbclient_rs.cpp#L256&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;...but the MR execution code only cares that it&apos;s a key: &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3779bf419438d2625277cf3c1c7216c497f683a8/src/mongo/db/commands/mr_common.cpp#L72&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/3779bf419438d2625277cf3c1c7216c497f683a8/src/mongo/db/commands/mr_common.cpp#L72&lt;/a&gt;&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;For context, see: &lt;a href=&quot;https://github.com/mongodb/mongo-php-driver/pull/598#discussion_r10183536&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-php-driver/pull/598#discussion_r10183536&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;We only document {&lt;tt&gt;inline: 1&lt;/tt&gt;} in &lt;a href=&quot;http://docs.mongodb.org/manual/reference/command/mapReduce/#output-inline&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://docs.mongodb.org/manual/reference/command/mapReduce/#output-inline&lt;/a&gt;, but technically, only the key is relevant.&lt;/p&gt;</description>
                <environment></environment>
        <key id="115975">SERVER-12972</key>
            <summary>DBClientReplicaSet should ignore value of &quot;inline&quot; field of MapReduce commands</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="9">Done</resolution>
                                        <assignee username="mark.benvenuto@mongodb.com">Mark Benvenuto</assignee>
                                    <reporter username="jmikola@mongodb.com">Jeremy Mikola</reporter>
                        <labels>
                    </labels>
                <created>Fri, 28 Feb 2014 22:19:13 +0000</created>
                <updated>Wed, 7 Dec 2016 22:50:07 +0000</updated>
                            <resolved>Wed, 16 Sep 2015 19:22:04 +0000</resolved>
                                    <version>2.6.0-rc0</version>
                                    <fixVersion>3.1.9</fixVersion>
                                    <component>Internal Client</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1032103" author="xgen-internal-githook" created="Wed, 16 Sep 2015 18:21:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;markbenvenuto&apos;, u&apos;name&apos;: u&apos;Mark Benvenuto&apos;, u&apos;email&apos;: u&apos;mark.benvenuto@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-12972&quot; title=&quot;DBClientReplicaSet should ignore value of &amp;quot;inline&amp;quot; field of MapReduce commands&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-12972&quot;&gt;&lt;del&gt;SERVER-12972&lt;/del&gt;&lt;/a&gt;: DBClientReplicaSet should ignore value of inline field of MapReduce commands&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7db3d366efc6c683ba3999f44fe73c79eeb33b84&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7db3d366efc6c683ba3999f44fe73c79eeb33b84&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="512701" author="redbeard0531" created="Mon, 10 Mar 2014 17:48:43 +0000"  >&lt;p&gt;Passing to &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=tyler%4010gen.com&quot; class=&quot;user-hover&quot; rel=&quot;tyler@10gen.com&quot;&gt;tyler@10gen.com&lt;/a&gt; since this is more his domain now.&lt;/p&gt;</comment>
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