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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>[CSHARP-4092] Case-insensitive StartsWith/EndsWith generates incorrect MQL</title>
                <link>https://jira.mongodb.org/browse/CSHARP-4092</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;Repro:&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;using MongoDB.Bson;&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;using MongoDB.Driver;&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;using MongoDB.Driver.Linq;&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;&amp;nbsp;&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;var settings = new MongoClientSettings { LinqProvider = LinqProvider.V3 };&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;var client = new MongoClient(settings);&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;var db = client.GetDatabase(&quot;test&quot;);&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;var coll = db.GetCollection&amp;lt;C&amp;gt;(&quot;coll&quot;);&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;&amp;nbsp;&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;var query = coll.Find(x =&amp;gt; x.Text.StartsWith(x.Match, StringComparison.CurrentCultureIgnoreCase));&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;Console.WriteLine(query);&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;&amp;nbsp;&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;record C(ObjectId Id, string Text, string Match);&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;Output:&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;find({ &quot;$expr&quot; : { &quot;$eq&quot; : [{ &quot;$indexOfCP&quot; : [{ &quot;$toLower&quot; : &quot;$Text&quot; }, { &quot;$toLower&quot; : { &quot;$toLower&quot; : &quot;$Text&quot; } }] }, 0] } })&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;The correct MQL should be:&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;find({ &quot;$expr&quot; : { &quot;$eq&quot; : [{ &quot;$indexOfCP&quot; : [{ &quot;$toLower&quot; : &quot;$Text&quot; }, { &quot;$toLower&quot; : &quot;$Match&quot; }] }, 0] } })&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="1998077">CSHARP-4092</key>
            <summary>Case-insensitive StartsWith/EndsWith generates incorrect MQL</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="james.kovacs@mongodb.com">James Kovacs</assignee>
                                    <reporter username="james.kovacs@mongodb.com">James Kovacs</reporter>
                        <labels>
                    </labels>
                <created>Wed, 9 Mar 2022 20:35:18 +0000</created>
                <updated>Sat, 28 Oct 2023 11:47:19 +0000</updated>
                            <resolved>Tue, 15 Mar 2022 16:09:50 +0000</resolved>
                                    <version>2.14.0</version>
                                    <fixVersion>2.15.1</fixVersion>
                                    <component>LINQ3</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4526503" author="xgen-internal-githook" created="Wed, 4 May 2022 18:11:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;James Kovacs&apos;, &apos;email&apos;: &apos;jkovacs@post.harvard.edu&apos;, &apos;username&apos;: &apos;JamesKovacs&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4090&quot; title=&quot;x =&amp;gt; x.Name.Contains(&amp;quot;FirstName&amp;quot;, StringComparison.CurrentCultureIgnoreCase) throws NotSupportedException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4090&quot;&gt;&lt;del&gt;CSHARP-4090&lt;/del&gt;&lt;/a&gt; / &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4092&quot; title=&quot;Case-insensitive StartsWith/EndsWith generates incorrect MQL&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4092&quot;&gt;&lt;del&gt;CSHARP-4092&lt;/del&gt;&lt;/a&gt; (#750)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4090&quot; title=&quot;x =&amp;gt; x.Name.Contains(&amp;quot;FirstName&amp;quot;, StringComparison.CurrentCultureIgnoreCase) throws NotSupportedException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4090&quot;&gt;&lt;del&gt;CSHARP-4090&lt;/del&gt;&lt;/a&gt;: Implement support for string.Contains(match, StringComparison).&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4092&quot; title=&quot;Case-insensitive StartsWith/EndsWith generates incorrect MQL&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4092&quot;&gt;&lt;del&gt;CSHARP-4092&lt;/del&gt;&lt;/a&gt;: Fix case-insensitive StartsWith/EndsWith to generate correct MQL.&lt;br/&gt;
Branch: v2.15.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/f8bc005a1c866e13ac044dbe28708186b4bc184f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/f8bc005a1c866e13ac044dbe28708186b4bc184f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4413249" author="xgen-internal-githook" created="Tue, 15 Mar 2022 16:08:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;James Kovacs&apos;, &apos;email&apos;: &apos;jkovacs@post.harvard.edu&apos;, &apos;username&apos;: &apos;JamesKovacs&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4090&quot; title=&quot;x =&amp;gt; x.Name.Contains(&amp;quot;FirstName&amp;quot;, StringComparison.CurrentCultureIgnoreCase) throws NotSupportedException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4090&quot;&gt;&lt;del&gt;CSHARP-4090&lt;/del&gt;&lt;/a&gt; / &lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4092&quot; title=&quot;Case-insensitive StartsWith/EndsWith generates incorrect MQL&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4092&quot;&gt;&lt;del&gt;CSHARP-4092&lt;/del&gt;&lt;/a&gt; (#750)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4090&quot; title=&quot;x =&amp;gt; x.Name.Contains(&amp;quot;FirstName&amp;quot;, StringComparison.CurrentCultureIgnoreCase) throws NotSupportedException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4090&quot;&gt;&lt;del&gt;CSHARP-4090&lt;/del&gt;&lt;/a&gt;: Implement support for string.Contains(match, StringComparison).&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/CSHARP-4092&quot; title=&quot;Case-insensitive StartsWith/EndsWith generates incorrect MQL&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CSHARP-4092&quot;&gt;&lt;del&gt;CSHARP-4092&lt;/del&gt;&lt;/a&gt;: Fix case-insensitive StartsWith/EndsWith to generate correct MQL.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/c8b95a34f282a76769890d335d35dd2f76659a42&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/c8b95a34f282a76769890d335d35dd2f76659a42&lt;/a&gt;&lt;/p&gt;</comment>
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