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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-78504] [CQF] Populate optimizer metadata with sharding and orphan information</title>
                <link>https://jira.mongodb.org/browse/SERVER-78504</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Once the optimizer can use the metadata to generate plans with shard filtering, we need to populate metadata accordingly. This will allow us to generate correct plans e2e with shard filtering and allow us to turn on sharded test suites.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2379463">SERVER-78504</key>
            <summary>[CQF] Populate optimizer metadata with sharding and orphan information</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="ben.shteinfeld@mongodb.com">Ben Shteinfeld</assignee>
                                    <reporter username="ben.shteinfeld@mongodb.com">Ben Shteinfeld</reporter>
                        <labels>
                    </labels>
                <created>Wed, 28 Jun 2023 16:44:41 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:27 +0000</updated>
                            <resolved>Wed, 2 Aug 2023 14:30:27 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5606595" author="xgen-internal-githook" created="Wed, 2 Aug 2023 04:14:32 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Remove cqf_incompatiable tag from shard filtering tests&lt;/p&gt;

&lt;p&gt;Now that Bonsai produces physical plans that perform sharding filtering&lt;br/&gt;
and we lower them to corresponding SBE plans, we can run these tests.&lt;br/&gt;
Branch: minh.luu-no_compile_sys-perf&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/74b01156c24dc3d8021c393c99d688232832a774&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/74b01156c24dc3d8021c393c99d688232832a774&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5606594" author="xgen-internal-githook" created="Wed, 2 Aug 2023 04:14:30 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Populate sharding metadata in Bonsai&lt;br/&gt;
Branch: minh.luu-no_compile_sys-perf&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/771548efb37cda09c8fb100614639a864e133952&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/771548efb37cda09c8fb100614639a864e133952&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5606593" author="xgen-internal-githook" created="Wed, 2 Aug 2023 04:14:28 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Allow expressions to be children of shardFilter function call&lt;/p&gt;

&lt;p&gt;When we initially implemented lowering for `FunctionCall&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;#39;shardFilter&amp;#93;&lt;/span&gt;`,&lt;br/&gt;
we made an incorrect assumption that all children of that ABT will&lt;br/&gt;
always be of type Variable. While physical rewrites might currently only&lt;br/&gt;
produce such plans, path fusion rewrites can inline the definition of&lt;br/&gt;
variables with expressions. As such, we need to support lowering such&lt;br/&gt;
plans.&lt;/p&gt;

&lt;p&gt;We do this by invoking `SBEExpressionLowering` on any child of the&lt;br/&gt;
shardFilter function call.&lt;br/&gt;
Branch: minh.luu-no_compile_sys-perf&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/99a4079e0fb7d242285c662182d87d44e199900a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/99a4079e0fb7d242285c662182d87d44e199900a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5606266" author="xgen-internal-githook" created="Tue, 1 Aug 2023 21:40:11 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Remove cqf_incompatiable tag from shard filtering tests&lt;/p&gt;

&lt;p&gt;Now that Bonsai produces physical plans that perform sharding filtering&lt;br/&gt;
and we lower them to corresponding SBE plans, we can run these tests.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/74b01156c24dc3d8021c393c99d688232832a774&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/74b01156c24dc3d8021c393c99d688232832a774&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5606265" author="xgen-internal-githook" created="Tue, 1 Aug 2023 21:40:09 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Populate sharding metadata in Bonsai&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/771548efb37cda09c8fb100614639a864e133952&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/771548efb37cda09c8fb100614639a864e133952&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5606264" author="xgen-internal-githook" created="Tue, 1 Aug 2023 21:40:06 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Ben Shteinfeld&apos;, &apos;email&apos;: &apos;ben.shteinfeld@mongodb.com&apos;, &apos;username&apos;: &apos;bshteinfeld&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78504&quot; title=&quot;[CQF] Populate optimizer metadata with sharding and orphan information&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78504&quot;&gt;&lt;del&gt;SERVER-78504&lt;/del&gt;&lt;/a&gt; Allow expressions to be children of shardFilter function call&lt;/p&gt;

&lt;p&gt;When we initially implemented lowering for `FunctionCall&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;#39;shardFilter&amp;#93;&lt;/span&gt;`,&lt;br/&gt;
we made an incorrect assumption that all children of that ABT will&lt;br/&gt;
always be of type Variable. While physical rewrites might currently only&lt;br/&gt;
produce such plans, path fusion rewrites can inline the definition of&lt;br/&gt;
variables with expressions. As such, we need to support lowering such&lt;br/&gt;
plans.&lt;/p&gt;

&lt;p&gt;We do this by invoking `SBEExpressionLowering` on any child of the&lt;br/&gt;
shardFilter function call.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/99a4079e0fb7d242285c662182d87d44e199900a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/99a4079e0fb7d242285c662182d87d44e199900a&lt;/a&gt;&lt;/p&gt;</comment>
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