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    <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-30174] Ensure all DocumentSource::getNext() implementations check for interrupt</title>
                <link>https://jira.mongodb.org/browse/SERVER-30174</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Each implementation of the &lt;tt&gt;DocumentSource&lt;/tt&gt; interface must override &lt;tt&gt;DocumentSource::getNext()&lt;/tt&gt;, and any implementation of this method &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.10/src/mongo/db/pipeline/document_source.h#L212&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is required to check for interrupt during execution&lt;/a&gt;. This part of the contract is not enforced, so of course there are at least a few stages that do not follow it, such as &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.10/src/mongo/db/pipeline/document_source_current_op.cpp#L62&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;$currentOp&lt;/tt&gt;&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.10/src/mongo/db/pipeline/document_source_coll_stats.cpp#L95&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;$collStats&lt;/tt&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;We should at least fix these two (and any others that are missing it), and consider making this contract enforceable, either through a test or through a non-virtual &lt;tt&gt;getNext()&lt;/tt&gt; and a virtualized &lt;tt&gt;doGetNext()&lt;/tt&gt; as we do for &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.10/src/mongo/db/exec/plan_stage.h#L189&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;PlanStage::work()&lt;/tt&gt;&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.10/src/mongo/db/exec/plan_stage.h#L348&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;PlanStage::doWork()&lt;/tt&gt;&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="404726">SERVER-30174</key>
            <summary>Ensure all DocumentSource::getNext() implementations check for interrupt</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="martin.neupauer@mongodb.com">Martin Neupauer</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Mon, 17 Jul 2017 16:22:52 +0000</created>
                <updated>Mon, 30 Oct 2023 23:15:11 +0000</updated>
                            <resolved>Fri, 28 Jul 2017 15:04:20 +0000</resolved>
                                                    <fixVersion>3.5.11</fixVersion>
                                    <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1634505" author="xgen-internal-githook" created="Fri, 28 Jul 2017 14:29:37 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;martin.neupauer@mongodb.com&apos;, &apos;name&apos;: &apos;Martin Neupauer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-30174&quot; title=&quot;Ensure all DocumentSource::getNext() implementations check for interrupt&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-30174&quot;&gt;&lt;del&gt;SERVER-30174&lt;/del&gt;&lt;/a&gt; Add a check for interrupts.&lt;/p&gt;

&lt;p&gt;Add the checks to few missing places.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e2249895cdb317c6fe466aaadd76d3e5b31bfcda&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e2249895cdb317c6fe466aaadd76d3e5b31bfcda&lt;/a&gt;&lt;/p&gt;</comment>
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