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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>
    </build-info>


<item>
            <title>[SERVER-11414] $lt/$gt behaves differently when comparing null</title>
                <link>https://jira.mongodb.org/browse/SERVER-11414</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Null is being treated differently by the $gt and $lt operators between versions.&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.drop()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.insert({&quot;a&quot; : { &quot;a&quot; : 1 } })&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.find( { &quot;b&quot; : { $lt : null } } ).itcount()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.find( { &quot;b&quot; : { $gt : null } } ).itcount()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;2.4.5: 1 doc per query&lt;br/&gt;
2.5.4-Pre: zero doc per query&lt;/p&gt;

&lt;p&gt;Note&lt;br/&gt;
The following queries behave the same on both versions and return zero documents&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.find( { &quot;b&quot; : { $lte : null } } ).itcount()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.q.find( { &quot;b&quot; : { $gte : null } } ).itcount()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment>&amp;gt; db.serverBuildInfo()&lt;br/&gt;
{&lt;br/&gt;
	&amp;quot;version&amp;quot; : &amp;quot;2.5.4-pre-&amp;quot;,&lt;br/&gt;
	&amp;quot;gitVersion&amp;quot; : &amp;quot;d8ca8b5faa1447365403cfb8da16a041e7d31d95&amp;quot;,&lt;br/&gt;
	&amp;quot;OpenSSLVersion&amp;quot; : &amp;quot;&amp;quot;,&lt;br/&gt;
	&amp;quot;sysInfo&amp;quot; : &amp;quot;Darwin vero 12.5.0 Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64 x86_64 BOOST_LIB_VERSION=1_49&amp;quot;,&lt;br/&gt;
	&amp;quot;loaderFlags&amp;quot; : &amp;quot;-fPIC -pthread -Wl,-bind_at_load -mmacosx-version-min=10.6&amp;quot;,&lt;br/&gt;
	&amp;quot;compilerFlags&amp;quot; : &amp;quot;-Wnon-virtual-dtor -Woverloaded-virtual -fPIC -fno-strict-aliasing -ggdb -pthread -Wno-unknown-pragmas -Winvalid-pch -pipe -O3 -Wno-unused-function -Wno-deprecated-declarations -mmacosx-version-min=10.6&amp;quot;,&lt;br/&gt;
	&amp;quot;allocator&amp;quot; : &amp;quot;tcmalloc&amp;quot;,&lt;br/&gt;
	&amp;quot;versionArray&amp;quot; : [&lt;br/&gt;
		2,&lt;br/&gt;
		5,&lt;br/&gt;
		4,&lt;br/&gt;
		-100&lt;br/&gt;
	],&lt;br/&gt;
	&amp;quot;javascriptEngine&amp;quot; : &amp;quot;V8&amp;quot;,&lt;br/&gt;
	&amp;quot;bits&amp;quot; : 64,&lt;br/&gt;
	&amp;quot;debug&amp;quot; : false,&lt;br/&gt;
	&amp;quot;maxBsonObjectSize&amp;quot; : 16777216,&lt;br/&gt;
	&amp;quot;ok&amp;quot; : 1&lt;br/&gt;
}&lt;br/&gt;
</environment>
        <key id="96007">SERVER-11414</key>
            <summary>$lt/$gt behaves differently when comparing null</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="9">Done</resolution>
                                        <assignee username="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="alvin">Alvin Richards</reporter>
                        <labels>
                            <label>26qa</label>
                            <label>nqf</label>
                            <label>query_triage</label>
                    </labels>
                <created>Mon, 28 Oct 2013 17:04:47 +0000</created>
                <updated>Wed, 10 Dec 2014 23:11:29 +0000</updated>
                            <resolved>Sat, 23 Nov 2013 02:11:06 +0000</resolved>
                                    <version>2.5.3</version>
                                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="460752" author="xgen-internal-githook" created="Sat, 23 Nov 2013 02:09:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;benety&apos;, u&apos;name&apos;: u&apos;Benety Goh&apos;, u&apos;email&apos;: u&apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-11414&quot; title=&quot;$lt/$gt behaves differently when comparing null&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-11414&quot;&gt;&lt;del&gt;SERVER-11414&lt;/del&gt;&lt;/a&gt; added test cases for null comparison operations on non-existent fields&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0d9c674d959c8209e4056aa825461b4e70d378ff&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0d9c674d959c8209e4056aa825461b4e70d378ff&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="96041">SERVER-11422</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="107210">SERVER-12444</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                    </issuelinks>
                <attachments>
                            <attachment id="33562" name="server11414.js" size="277" author="benety.goh@mongodb.com" created="Thu, 7 Nov 2013 16:41:33 +0000"/>
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