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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>[CXX-2368] Snapshot reads on Secondaries</title>
                <link>https://jira.mongodb.org/browse/CXX-2368</link>
                <project id="11980" key="CXX">C++ Driver</project>
                    <description>&lt;p&gt;&lt;b&gt;Scope&lt;/b&gt;&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Implement &lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/sessions/snapshot-sessions.rst&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Snapshot session spec &lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Implement &lt;a href=&quot;https://github.com/mongodb/specifications/tree/master/source/sessions/tests#snapshot-session-tests&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Snapshot session tests &lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1873206">CXX-2368</key>
            <summary>Snapshot reads on Secondaries</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="jesse.williamson@mongodb.com">Jesse Williamson</assignee>
                                    <reporter username="kevin.albertson@mongodb.com">Kevin Albertson</reporter>
                        <labels>
                    </labels>
                <created>Tue, 14 Sep 2021 01:15:11 +0000</created>
                <updated>Sat, 28 Oct 2023 11:26:50 +0000</updated>
                            <resolved>Fri, 5 Nov 2021 16:27:43 +0000</resolved>
                                                    <fixVersion>3.7.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4170841" author="xgen-internal-githook" created="Fri, 5 Nov 2021 03:42:00 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jesse Williamson&apos;, &apos;email&apos;: &apos;jesse.williamson@mongodb.com&apos;, &apos;username&apos;: &apos;chardan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CXX-2368&quot; title=&quot;Snapshot reads on Secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CXX-2368&quot;&gt;&lt;del&gt;CXX-2368&lt;/del&gt;&lt;/a&gt; support read concern snapshot (#828)&lt;/p&gt;


&lt;ul&gt;
	&lt;li&gt;Add snapshot-sessions data.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;This commit adds data from &lt;a href=&quot;https://jira.mongodb.org/browse/CXX-2371&quot; title=&quot;Add unified specification tests for snapshot sessions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CXX-2371&quot;&gt;&lt;del&gt;CXX-2371&lt;/del&gt;&lt;/a&gt;, as described here:&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/CXX-2371&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/CXX-2371&lt;/a&gt;&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Add cmake support for unified session tests.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Add slight informational improvements to runner&apos;s environment variable&lt;br/&gt;
lookup.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;remove unnecessary CAPTURE of test file contents&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;fix distinct result&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;pass session argument to count_documents operation&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;pass session argument to runCommand, updateOne, listDatabases, listCollections&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;support listIndexes&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;fix writeConcern parsing&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;use wc majority for inserting initialData&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;apply clang-format&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Fixup for test; cannot check condition until another bug is patched.&lt;/li&gt;
&lt;/ul&gt;


&lt;ul&gt;
	&lt;li&gt;Respond to review comments.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Signed-off-by: Jesse Williamson &amp;lt;jesse.williamson@mongodb.com&amp;gt;&lt;/p&gt;

&lt;p&gt;Co-authored-by: Kevin Albertson &amp;lt;kevin.albertson@mongodb.com&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-cxx-driver/commit/b858c5e18dce80bd9f8919f48b3be6fa3e066332&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-cxx-driver/commit/b858c5e18dce80bd9f8919f48b3be6fa3e066332&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4060679" author="JIRAUSER1261121" created="Tue, 14 Sep 2021 21:23:14 +0000"  >&lt;p&gt;Error checking in the event of both snapshot and causal consistency being set is currently handled in the C library, by mongoc_client_start_session(); this sets up a bson_error_t (via bson_error()) and then (back in the C++ boundary) client_session::impl throws.&lt;/p&gt;

&lt;p&gt;It appears that, by design, this is the only way to pass in options, so I believe we already going to implicitly handle an error situation correctly.&lt;/p&gt;</comment>
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