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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-82101] Timeseries rewrites should be separate from view resolution</title>
                <link>https://jira.mongodb.org/browse/SERVER-82101</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Timeseries rewrites occur &lt;a href=&quot;https://github.com/10gen/mongo/blob/819f6a03aa6f00b880b72441da58d6aba040de68/src/mongo/db/views/resolved_view.cpp#L236&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; when we&apos;re in the midst of resolving a view definition into the full aggregation pipeline. With query stats, we need to handle parsing the view pipeline and user pipeline separately in run_aggregate. That is impossible for timeseries queries since these rewrites are only done over the full resolved pipeline, so viewPipeline + userPipeline is &lt;em&gt;not&lt;/em&gt; equivalent to the full pipeline.&lt;/p&gt;

&lt;p&gt;We should consider moving some of these rewrites into the DocumentSource structure somewhere after parsing but before optimization; rewrites that don&apos;t re-order pipeline stages and just modify fields internal to a stage could also be moved into &lt;a href=&quot;https://github.com/10gen/mongo/blob/066da46855b952dd4871ad4e56ea39c2729ec528/src/mongo/db/views/view_catalog_helpers.cpp#L160&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;resolveView&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2472109">SERVER-82101</key>
            <summary>Timeseries rewrites should be separate from view resolution</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-integration">Backlog - Query Integration</assignee>
                                    <reporter username="will.buerger@mongodb.com">Will Buerger</reporter>
                        <labels>
                            <label>qi-timeseries</label>
                    </labels>
                <created>Wed, 11 Oct 2023 20:32:14 +0000</created>
                <updated>Tue, 26 Dec 2023 19:34:53 +0000</updated>
                                                                                                <votes>0</votes>
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