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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>[SERVER-375] $mul for update</title>
                <link>https://jira.mongodb.org/browse/SERVER-375</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is useful for age out applications.&lt;/p&gt;

&lt;p&gt;When tagged:&lt;br/&gt;
db.tags.update({_id:foo}, {$inc:1})&lt;/p&gt;

&lt;p&gt;Hourly:&lt;br/&gt;
db.tags.update({}, {$multiply:0.99})&lt;/p&gt;</description>
                <environment></environment>
        <key id="10782">SERVER-375</key>
            <summary>$mul for update</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="andrew.morrow@mongodb.com">Andrew Morrow</assignee>
                                    <reporter username="mathias@mongodb.com">Mathias Stearn</reporter>
                        <labels>
                    </labels>
                <created>Tue, 20 Oct 2009 13:31:31 +0000</created>
                <updated>Wed, 28 Oct 2015 04:26:24 +0000</updated>
                            <resolved>Thu, 5 Sep 2013 17:36:48 +0000</resolved>
                                                    <fixVersion>2.5.2</fixVersion>
                                    <component>Write Ops</component>
                                        <votes>4</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="428997" author="acm" created="Fri, 20 Sep 2013 12:54:42 +0000"  >&lt;p&gt;Filed a new ticket for the fix for the behavior against a missing element: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-10832&quot; title=&quot;Invoking the $mul update operator against a missing element yields 1, should yield 0&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-10832&quot;&gt;&lt;del&gt;SERVER-10832&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="418677" author="eliot" created="Thu, 5 Sep 2013 17:33:52 +0000"  >&lt;p&gt;It is not going to be renamed, it will be $mul as per discussions.&lt;/p&gt;</comment>
                            <comment id="417928" author="scotthernandez" created="Wed, 4 Sep 2013 19:40:35 +0000"  >&lt;p&gt;We should rename this to &lt;tt&gt;$multiply&lt;/tt&gt; to be consistent with aggregation.&lt;/p&gt;</comment>
                            <comment id="407383" author="auto" created="Tue, 20 Aug 2013 15:50:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-375&quot; title=&quot;$mul for update&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-375&quot;&gt;&lt;del&gt;SERVER-375&lt;/del&gt;&lt;/a&gt; Implement $mul by way of $inc&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c735600b22a78b8736c89568332a321a6753e924&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c735600b22a78b8736c89568332a321a6753e924&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="407382" author="auto" created="Tue, 20 Aug 2013 15:50:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-10490&quot; title=&quot;SafeNum int32/int32 and int64/int64 internal addition routines rely on undefined behavior&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-10490&quot;&gt;&lt;del&gt;SERVER-10490&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-375&quot; title=&quot;$mul for update&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-375&quot;&gt;&lt;del&gt;SERVER-375&lt;/del&gt;&lt;/a&gt; Add static assertions for overflow safe algos&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4a6f0941c13ac6a197bb787e238ddbc12120b641&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4a6f0941c13ac6a197bb787e238ddbc12120b641&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="407380" author="auto" created="Tue, 20 Aug 2013 15:50:26 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-375&quot; title=&quot;$mul for update&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-375&quot;&gt;&lt;del&gt;SERVER-375&lt;/del&gt;&lt;/a&gt; Implement multiplication for SafeNum&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/95f78edec079e130c58bed831cfe341f45250784&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/95f78edec079e130c58bed831cfe341f45250784&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="338409" author="wshaver" created="Fri, 17 May 2013 22:04:37 +0000"  >&lt;p&gt;2011? Why isn&apos;t this in core? &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/sad.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="23203" author="dgiagio" created="Sun, 6 Feb 2011 16:02:02 +0000"  >&lt;p&gt;Attached follows a patch to add $multiply support to both 1.6.5 (mongodb-multiply.patch) and git (mongodb-multiply-git.patch) versions.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="43910">SERVER-6399</issuekey>
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                            <attachment id="10781" name="mongodb-multiply-git.patch" size="2867" author="dgiagio" created="Sun, 6 Feb 2011 16:02:02 +0000"/>
                            <attachment id="10780" name="mongodb-multiply.patch" size="2742" author="dgiagio" created="Sun, 6 Feb 2011 16:02:02 +0000"/>
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