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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-59969] Allow writing to temporary table without abandoning snapshot in WiredTiger</title>
                <link>https://jira.mongodb.org/browse/SERVER-59969</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The problem specifically is that all query operations default to ignoring prepare conflicts. Some queries, however, like $setWindowFields may spill to the storage engine, which requires &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d5156d91a608a3b7cf30fbdb63a2d31783389a47/src/mongo/db/pipeline/process_interface/common_mongod_process_interface.cpp#L146-L153&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;changing the prepare conflict behavior&lt;/a&gt; to kIgnoreConflictsAllowWrites, which allows these writes to succeed.&lt;/p&gt;

&lt;p&gt;We can work around this problem by allowing all read-only queries (even those that spill to the storage engine) to use kIgnoreConflictsAllowWrites. Special care should be taken for write operations to continue enforcing prepare conflicts&lt;/p&gt;</description>
                <environment></environment>
        <key id="1875450">SERVER-59969</key>
            <summary>Allow writing to temporary table without abandoning snapshot in WiredTiger</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="louis.williams@mongodb.com">Louis Williams</assignee>
                                    <reporter username="ted.tuckman@mongodb.com">Ted Tuckman</reporter>
                        <labels>
                    </labels>
                <created>Wed, 15 Sep 2021 19:18:18 +0000</created>
                <updated>Sun, 29 Oct 2023 21:48:35 +0000</updated>
                            <resolved>Tue, 12 Oct 2021 15:57:57 +0000</resolved>
                                                    <fixVersion>5.2.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="4119082" author="xgen-internal-githook" created="Tue, 12 Oct 2021 15:35:37 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Louis Williams&apos;, &apos;email&apos;: &apos;louis.williams@mongodb.com&apos;, &apos;username&apos;: &apos;louiswilliams&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-59969&quot; title=&quot;Allow writing to temporary table without abandoning snapshot in WiredTiger&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-59969&quot;&gt;&lt;del&gt;SERVER-59969&lt;/del&gt;&lt;/a&gt; Allow queries to spill to the storage engine without having to abandon their snapshot&lt;br/&gt;
This change allows queries that previously ignored prepare conflicts to also write to the storage engine.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5b73e9d9102fc0c48d514ea43bfd0a8db9addc81&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5b73e9d9102fc0c48d514ea43bfd0a8db9addc81&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4066633" author="ian.boros" created="Thu, 16 Sep 2021 18:05:46 +0000"  >&lt;p&gt;Seems related to&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-59075&quot; title=&quot;Create temporary RecordStore in HashAgg stage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-59075&quot;&gt;&lt;del&gt;SERVER-59075&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="1867119">SERVER-59772</issuekey>
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            <issuekey id="1815257">SERVER-58436</issuekey>
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