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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>[CSHARP-4607] Support $all filters with more Contains methods</title>
                <link>https://jira.mongodb.org/browse/CSHARP-4607</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;The following pattern:&lt;/p&gt;

&lt;p&gt;&#160;&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;values.All(e =&amp;gt; document.A.Contains(e)) &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;// where values is a constant array&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;&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;is translated to the filter:&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&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;{ A : { $all : [&amp;lt;values&amp;gt;] } }&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;This is true of both LINQ2 and LINQ3.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;However, LINQ3 currently only supports this pattern if the Contains method resolves to Enumerable.Contains. We need to support other Contains methods, for example ICollection.Contains.&lt;/p&gt;

&lt;p&gt;Instead of looking for specific Contains methods (there are many), we can see if the Contains method &quot;looks&quot; like a Contains method:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Is named &quot;Contains&quot;&lt;/li&gt;
	&lt;li&gt;Return type is bool&lt;/li&gt;
	&lt;li&gt;Has two parameters (call them source and value)&lt;/li&gt;
	&lt;li&gt;Source implements IEnumerable&amp;lt;TItem&amp;gt;&lt;/li&gt;
	&lt;li&gt;value is assignable to TItem&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;The Contains method could be either a static or an instance method:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;if static, source is the first argument and value is the second&lt;/li&gt;
	&lt;li&gt;if instance, source is the object itself and value is the only argument&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2310196">CSHARP-4607</key>
            <summary>Support $all filters with more Contains methods</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="10300" iconUrl="https://jira.mongodb.org/images/icons/priorities/medium.svg">Unknown</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="13201">Fixed</resolution>
                                        <assignee username="robert@mongodb.com">Robert Stam</assignee>
                                    <reporter username="robert@mongodb.com">Robert Stam</reporter>
                        <labels>
                    </labels>
                <created>Sun, 9 Apr 2023 01:14:57 +0000</created>
                <updated>Sat, 28 Oct 2023 11:46:55 +0000</updated>
                            <resolved>Thu, 20 Apr 2023 23:14:02 +0000</resolved>
                                    <version>2.19.1</version>
                                    <fixVersion>2.19.2</fixVersion>
                                    <component>LINQ3</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5433624" author="xgen-internal-githook" created="Thu, 18 May 2023 00:39:14 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;rstam&apos;, &apos;email&apos;: &apos;robert@robertstam.org&apos;, &apos;username&apos;: &apos;rstam&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4607&quot; title=&quot;Support $all filters with more Contains methods&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4607&quot;&gt;&lt;del&gt;CSHARP-4607&lt;/del&gt;&lt;/a&gt;: Support $all filters with more Contains methods.&lt;br/&gt;
Branch: v2.19.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/c20033d7254fb00cfd2a7fb477ade34c6017becd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/c20033d7254fb00cfd2a7fb477ade34c6017becd&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5364300" author="xgen-internal-githook" created="Thu, 20 Apr 2023 23:23:26 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;rstam&apos;, &apos;email&apos;: &apos;robert@robertstam.org&apos;, &apos;username&apos;: &apos;rstam&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4607&quot; title=&quot;Support $all filters with more Contains methods&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4607&quot;&gt;&lt;del&gt;CSHARP-4607&lt;/del&gt;&lt;/a&gt;: Support $all filters with more Contains methods.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/29b57bf39fed671da8d09f3ad51537b497af948e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/29b57bf39fed671da8d09f3ad51537b497af948e&lt;/a&gt;&lt;/p&gt;</comment>
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