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    <title>MongoDB Jira</title>
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    <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-909] Problem if filter in Distinct is nil</title>
                <link>https://jira.mongodb.org/browse/GODRIVER-909</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;There is a problem in the&#160;Distinct function. If the filter is nil, the distinct will not be executed:&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;   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;collection.Distinct(context.Background(), &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;foo.bar&quot;&lt;/span&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;, nil)&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;As a workaround I have used a blank search request:&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;   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;collection.Distinct(context.Background(), &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;foo.bar&quot;&lt;/span&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;, bson.D{})&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></environment>
        <key id="724705">GODRIVER-909</key>
            <summary>Problem if filter in Distinct is nil</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="kris.brandow@mongodb.com">Kristofer Brandow</assignee>
                                    <reporter username="r.ressl">Robert Ressl</reporter>
                        <labels>
                    </labels>
                <created>Thu, 28 Mar 2019 13:47:48 +0000</created>
                <updated>Tue, 2 Apr 2019 15:59:58 +0000</updated>
                            <resolved>Tue, 2 Apr 2019 15:59:58 +0000</resolved>
                                    <version>1.0.0</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2195669" author="r.ressl" created="Fri, 29 Mar 2019 09:59:41 +0000"  >&lt;p&gt;Hi&#160;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kris.brandow&quot; class=&quot;user-hover&quot; rel=&quot;kris.brandow&quot;&gt;kris.brandow&lt;/a&gt;,&lt;br/&gt;
 &#160;&lt;/p&gt;

&lt;p&gt;Okay, thanks for the information. In the not stable driver, it was possible with nil. &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/tongue.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;

&lt;p&gt;Yes, I receive an error: &apos;document is nil&apos;&lt;br/&gt;
 &#160;&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Robert&lt;/p&gt;</comment>
                            <comment id="2195180" author="kris.brandow" created="Thu, 28 Mar 2019 20:16:28 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=r.ressl&quot; class=&quot;user-hover&quot; rel=&quot;r.ressl&quot;&gt;r.ressl&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;The mongo package&apos;s documentation states: &quot;All Client, Collection, and Database methods that take parameters of type interface{} will return ErrNilDocument if nil is passed in for an interface{}&quot;, therefore&#160;&lt;tt&gt;nil&lt;/tt&gt; is not a valid parameter for &lt;tt&gt;Distinct&lt;/tt&gt;. Did you receive &lt;tt&gt;ErrNilDocument&lt;/tt&gt; from the call to &lt;tt&gt;Distinct&lt;/tt&gt; or another error?&lt;/p&gt;</comment>
                            <comment id="2194474" author="r.ressl" created="Thu, 28 Mar 2019 13:54:57 +0000"  >&lt;p&gt;go version go1.12.1 darwin/amd64&lt;/p&gt;</comment>
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