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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-70224] [CQF] Add rewrite to push not through EvalFilter when possible</title>
                <link>https://jira.mongodb.org/browse/SERVER-70224</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This rewrite would push a UnaryOp&lt;span class=&quot;error&quot;&gt;&amp;#91;not&amp;#93;&lt;/span&gt; through an EvalFilter under certain conditions. For example UnaryOp&lt;span class=&quot;error&quot;&gt;&amp;#91;not&amp;#93;&lt;/span&gt; EvalFilter PathCompare&lt;span class=&quot;error&quot;&gt;&amp;#91;eq&amp;#93;&lt;/span&gt; Constant&lt;span class=&quot;error&quot;&gt;&amp;#91;2&amp;#93;&lt;/span&gt; --&amp;gt; EvalFilter PathCompare&lt;span class=&quot;error&quot;&gt;&amp;#91;neq&amp;#93;&lt;/span&gt; Constant&lt;span class=&quot;error&quot;&gt;&amp;#91;2&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;This is not always correct when the path below the EvalFilter contains a Traverse. For example, the following rewrite is not correct:&#160;&lt;br/&gt;
UnaryOp&lt;span class=&quot;error&quot;&gt;&amp;#91;not&amp;#93;&lt;/span&gt; EvalFilter PathGet&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;quot;a&amp;#93;&lt;/span&gt; PathTraverse&lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt; PathCompare&lt;span class=&quot;error&quot;&gt;&amp;#91;eq&amp;#93;&lt;/span&gt; Constant&lt;span class=&quot;error&quot;&gt;&amp;#91;2&amp;#93;&lt;/span&gt; --&amp;gt; EvalFilter PathGet&lt;span class=&quot;error&quot;&gt;&amp;#91;&amp;quot;a&amp;#93;&lt;/span&gt; PathTraverse&lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt; PathCompare&lt;span class=&quot;error&quot;&gt;&amp;#91;neq&amp;#93;&lt;/span&gt; Constant&lt;span class=&quot;error&quot;&gt;&amp;#91;2&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;This would have incorrect behavior for arrays at path &quot;a&quot;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2152250">SERVER-70224</key>
            <summary>[CQF] Add rewrite to push not through EvalFilter when possible</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="david.percy@mongodb.com">David Percy</assignee>
                                    <reporter username="hana.pearlman@mongodb.com">Hana Pearlman</reporter>
                        <labels>
                    </labels>
                <created>Wed, 5 Oct 2022 12:55:37 +0000</created>
                <updated>Sun, 29 Oct 2023 21:32:24 +0000</updated>
                            <resolved>Tue, 22 Nov 2022 16:04:47 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4999305" author="xgen-internal-githook" created="Tue, 22 Nov 2022 03:32:06 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;David Percy&apos;, &apos;email&apos;: &apos;david.percy@mongodb.com&apos;, &apos;username&apos;: &apos;dpercy&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70224&quot; title=&quot;[CQF] Add rewrite to push not through EvalFilter when possible&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70224&quot;&gt;&lt;del&gt;SERVER-70224&lt;/del&gt;&lt;/a&gt; &lt;span class=&quot;error&quot;&gt;&amp;#91;CQF&amp;#93;&lt;/span&gt; Pushdown Not through EvalFilter&lt;/p&gt;

&lt;p&gt;Before converting a Filter to Sargable node, try to push down UnaryOp&lt;br/&gt;
Not through PathGet. Ideally we can push it all the way down and&lt;br/&gt;
incorporate it into a leaf PathCompare: for example Not ... Lt -&amp;gt; Gte.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e125b7eece0854f35571e0def28061a721407c38&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e125b7eece0854f35571e0def28061a721407c38&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4964391" author="david.percy" created="Tue, 8 Nov 2022 18:34:23 +0000"  >&lt;p&gt;Never mind, I think we&apos;re going to split this after all.&lt;/p&gt;</comment>
                            <comment id="4961030" author="david.percy" created="Mon, 7 Nov 2022 21:37:16 +0000"  >&lt;p&gt;I ended up doing this together with &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69591&quot; title=&quot;[CQF] Simplify non-sargable paths &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69591&quot;&gt;&lt;del&gt;SERVER-69591&lt;/del&gt;&lt;/a&gt; (still in review).&lt;/p&gt;</comment>
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            <issuekey id="2147821">SERVER-70089</issuekey>
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