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            <title>[SERVER-74868] [CQF] Refine Costing for Spool-based RIN</title>
                <link>https://jira.mongodb.org/browse/SERVER-74868</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently we assign the group-level CE to all operators involved in the spool based RIN. Instead, for the inner distinct scans we should attempt to estimate the number of distinct values in order to allow costing to compute a more realistic plan cost. This can be some global heuristic (say 10% of the values are unique) or some simple function initially.&lt;/p&gt;</description>
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        <key id="2288388">SERVER-74868</key>
            <summary>[CQF] Refine Costing for Spool-based RIN</summary>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="svilen.mihaylov@mongodb.com">Svilen Mihaylov</reporter>
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                <created>Tue, 14 Mar 2023 22:47:38 +0000</created>
                <updated>Thu, 20 Apr 2023 21:27:16 +0000</updated>
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