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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-49898] Write and test aggregation pipeline for config.transactions cloner for resharding</title>
                <link>https://jira.mongodb.org/browse/SERVER-49898</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The goal of this ticket is to create a function which allows the aggregation pipeline to easily be sent to a remote (donor) shard &lt;em&gt;and&lt;/em&gt; for the aggregation pipeline to be unit-testable with DocumentSourceMock. It is preferable to use DocumentSourceXX::create() functions (or DocumentSourceXX::parseFromBSON() when the former isn&apos;t available or is too tedious) rather than building it up with string concatenation. DocumentSources can be conditionally added to the Pipeline::SourceContainer, for example, to reflect a stage being added only when resuming on a new cursor.&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;
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						&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;std::unique_ptr&amp;lt;Pipeline, PipelineDeleter&amp;gt; createConfigTxnCloningPipelineForResharding(&lt;/span&gt;&lt;/pre&gt;
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						&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;    mongo::Timestamp fetchTimestamp,  &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;/* never isNull() */&lt;/span&gt;&lt;/pre&gt;
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				&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;    BSONObj startAfter,  &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;/* expected to be an object of the form {_id: &amp;lt;any&amp;gt;} or isEmpty() */&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;);&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;&lt;em&gt;Some of these parameters are probably more appropriate to take by const-ref because their contents can only be copied into the Pipeline anyway.&lt;/em&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1421057">SERVER-49898</key>
            <summary>Write and test aggregation pipeline for config.transactions cloner for resharding</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13201">Fixed</resolution>
                                        <assignee username="eric.maynard@mongodb.com">Eric Maynard</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                            <label>PM-234-M3</label>
                            <label>PM-234-T-config-txn-clone</label>
                    </labels>
                <created>Sat, 25 Jul 2020 17:55:48 +0000</created>
                <updated>Sun, 29 Oct 2023 22:05:12 +0000</updated>
                            <resolved>Thu, 17 Sep 2020 14:23:16 +0000</resolved>
                                                    <fixVersion>4.8.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3397618" author="xgen-internal-githook" created="Wed, 16 Sep 2020 18:48:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Eric Maynard&apos;, &apos;email&apos;: &apos;eric.maynard@mongodb.com&apos;, &apos;username&apos;: &apos;ermay12&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49898&quot; title=&quot;Write and test aggregation pipeline for config.transactions cloner for resharding&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49898&quot;&gt;&lt;del&gt;SERVER-49898&lt;/del&gt;&lt;/a&gt; fixed a test case that was using an invalid iterator&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2d9adbdb1b56231cf4b60111b13fe1be3375ca5d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2d9adbdb1b56231cf4b60111b13fe1be3375ca5d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3392955" author="xgen-internal-githook" created="Mon, 14 Sep 2020 18:40:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Eric Maynard&apos;, &apos;email&apos;: &apos;eric.maynard@mongodb.com&apos;, &apos;username&apos;: &apos;ermay12&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49898&quot; title=&quot;Write and test aggregation pipeline for config.transactions cloner for resharding&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49898&quot;&gt;&lt;del&gt;SERVER-49898&lt;/del&gt;&lt;/a&gt; Write and test aggregation pipeline for config.transactions cloner for resharding&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/df35b8c64d3c502b25f358a2538fc202bbc20c76&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/df35b8c64d3c502b25f358a2538fc202bbc20c76&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1421058">SERVER-49899</issuekey>
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