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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-76412] Separate variable binding and error checking from parsing</title>
                <link>https://jira.mongodb.org/browse/SERVER-76412</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This came up during &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-76189&quot; title=&quot;telemetry parsing accidentally ignores let&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-76189&quot;&gt;&lt;del&gt;SERVER-76189&lt;/del&gt;&lt;/a&gt;. We have some cases where we don&apos;t actually need to do full variable resolution. But sadly the code was intertwined with parsing, so instead we needed to adapt the calling code to be sure to thread in all the outer context variables from the command&apos;s &apos;let&apos; parameter.&#160;&lt;/p&gt;

&lt;p&gt;We thought about doing this&#160;&lt;em&gt;during&lt;/em&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-76189&quot; title=&quot;telemetry parsing accidentally ignores let&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-76189&quot;&gt;&lt;del&gt;SERVER-76189&lt;/del&gt;&lt;/a&gt;, but the code fallout would be large. I took a look, and there are many expression parsers that accept a `VariablesParseState` and use that or pass it to sub-parsers. It wouldn&apos;t be crazy, but there would be a lot of code churn and the alternative approach ended up being pretty clean, so we punted.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2320946">SERVER-76412</key>
            <summary>Separate variable binding and error checking from parsing</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="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
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                <created>Fri, 21 Apr 2023 14:59:22 +0000</created>
                <updated>Tue, 30 May 2023 20:02:25 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>1</watches>
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            <issuekey id="2316806">SERVER-76220</issuekey>
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