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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-59628] Reorganize lite parsing to include constraints information</title>
                <link>https://jira.mongodb.org/browse/SERVER-59628</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;At this moment mongo parses MQL query twice: using lite parser and &quot;heavy&quot; one (::createFromBSON). Those a two distinct stages with almost no shared information. This leads to complexity (duplication of the code). Lite parsing lacks certain information to make informed decisions.&lt;/p&gt;

&lt;p&gt;In this particular case, it is necessary for lite parsing to have access to sources constraints in order to reject or accept an embedded pipeline on $lookup stage. The current check is based on the name of the first stage in the pipeline which is unnecessarily specific.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1861006">SERVER-59628</key>
            <summary>Reorganize lite parsing to include constraints information</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="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-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="ruslan.abdulkhalikov@mongodb.com">Ruslan Abdulkhalikov</reporter>
                        <labels>
                            <label>quick-tech-debt</label>
                    </labels>
                <created>Thu, 26 Aug 2021 19:00:53 +0000</created>
                <updated>Tue, 6 Dec 2022 00:58:06 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4027300" author="xgen-internal-githook" created="Fri, 27 Aug 2021 19:02:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ruslan Abdulkhalikov&apos;, &apos;email&apos;: &apos;ruslan.abdulkhalikov@mongodb.com&apos;, &apos;username&apos;: &apos;rusabd1&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58807&quot; title=&quot;Allow collectionless $lookup with $documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58807&quot;&gt;&lt;del&gt;SERVER-58807&lt;/del&gt;&lt;/a&gt; Allow collectionless $lookup with $documents&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Handle the missing pipeline case in lookup&lt;/li&gt;
	&lt;li&gt;Handle $lookup with $documents and localField/foreignField&lt;/li&gt;
	&lt;li&gt;Added references to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-59628&quot; title=&quot;Reorganize lite parsing to include constraints information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-59628&quot;&gt;SERVER-59628&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;Removed &quot;1&quot; from dbname&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c93908fe72deaf52d1c8ac88439173269658f3d4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c93908fe72deaf52d1c8ac88439173269658f3d4&lt;/a&gt;&lt;/li&gt;
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