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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-78162] Define the cursor stage class to unblock other $search works</title>
                <link>https://jira.mongodb.org/browse/SERVER-78162</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;No implementation is needed, just define the class&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;search_cursor_stage optionalIdSlot optionalResultSlot [metaSlot1, &#8230;, metadataSlotN] [fieldSlot1, &#8230;, fieldSlotN] optionalSearchMetaSlot&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;
&lt;p&gt;optionalIdSlot: for _id&lt;/p&gt;

&lt;p&gt;optionalResultSlot: for entire mongot result&lt;/p&gt;

&lt;p&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;metaSlot1, &#8230;, metadataSlotN&amp;#93;&lt;/span&gt; : a vector of slot for metadata&lt;/p&gt;

&lt;p&gt;&#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;fieldSlot1, &#8230;, fieldSlotN&amp;#93;&lt;/span&gt; : a vector of slot for fields from the mongot result, currently only &lt;tt&gt;storedSource&lt;/tt&gt; field is possible&lt;/p&gt;

&lt;p&gt;optionalSearchMetaSlot: for $$SEARCH_META&lt;/p&gt;</description>
                <environment></environment>
        <key id="2370009">SERVER-78162</key>
            <summary>Define the cursor stage class to unblock other $search works</summary>
                <type id="5" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14716&amp;avatarType=issuetype">Sub-task</type>
                            <parent id="2370008">SERVER-78161</parent>
                                    <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="prithwish.dan@mongodb.com">Prithwish Dan</assignee>
                                    <reporter username="zixuan.zhuang@mongodb.com">Zixuan Zhuang</reporter>
                        <labels>
                            <label>search-in-sbe</label>
                    </labels>
                <created>Fri, 16 Jun 2023 00:07:35 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:57 +0000</updated>
                            <resolved>Fri, 14 Jul 2023 20:13:40 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5561675" author="xgen-internal-githook" created="Wed, 12 Jul 2023 19:28:33 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Prithwish Dan&apos;, &apos;email&apos;: &apos;prithwish.dan@mongodb.com&apos;, &apos;username&apos;: &apos;pdan-mongodb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78162&quot; title=&quot;Define the cursor stage class to unblock other $search works&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78162&quot;&gt;&lt;del&gt;SERVER-78162&lt;/del&gt;&lt;/a&gt; Set up skeleton for search_cursor_stage class&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/68017a85c15da48fc321915dc7c4d545633832a3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/68017a85c15da48fc321915dc7c4d545633832a3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5553604" author="JIRAUSER1265798" created="Mon, 10 Jul 2023 05:13:54 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=prithwish.dan%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;prithwish.dan@mongodb.com&quot;&gt;prithwish.dan@mongodb.com&lt;/a&gt; We have reached the agreement on last review meeting, please start to work on it.&lt;/p&gt;</comment>
                            <comment id="5541429" author="JIRAUSER1265798" created="Mon, 3 Jul 2023 20:06:56 +0000"  >&lt;p&gt;Sure &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=david.storch%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;david.storch@mongodb.com&quot;&gt;david.storch@mongodb.com&lt;/a&gt;, Prithwish will need some time to learn how to implement a SBE stage, we won&apos;t start until we get the agreement.&lt;/p&gt;</comment>
                            <comment id="5541382" author="david.storch" created="Mon, 3 Jul 2023 19:36:34 +0000"  >&lt;p&gt;We may want to hold off on implementing this until we have agreement on the design for the sharded case. In the sharded case the mongot will return two cursors to its partner mongod: one for the search results and one for the search metadata. We need to specify how we will deal with those two cursors on the mongod side. I am assuming that the two cursors will be consumed by two separate SBE plans, since this will eliminate the need for the old &lt;tt&gt;$_internalSearchMongotRemote&lt;/tt&gt; DocumentSource-based implementation. However, the &lt;tt&gt;search_cursor_stage&lt;/tt&gt; doesn&apos;t seem appropriate for consuming the metadata cursor. Therefore, it&apos;s not yet obvious to me that the &lt;tt&gt;search_cursor_stage&lt;/tt&gt; as proposed is the correct abstraction unless we know how things will look in the sharded case.&lt;/p&gt;

&lt;p&gt;cc &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kyle.suarez%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;kyle.suarez@mongodb.com&quot;&gt;kyle.suarez@mongodb.com&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=amr.elhelw%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;amr.elhelw@mongodb.com&quot;&gt;amr.elhelw@mongodb.com&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=zixuan.zhuang%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;zixuan.zhuang@mongodb.com&quot;&gt;zixuan.zhuang@mongodb.com&lt;/a&gt;&lt;/p&gt;</comment>
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