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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-84236] Forbid usage of CollectionCatalog::get without an open snapshot</title>
                <link>https://jira.mongodb.org/browse/SERVER-84236</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The collection catalog allows a user to acquire the latest version of the catalog by calling &lt;tt&gt;CollectionCatalog::get(opCtx)&lt;/tt&gt; without having a snapshot open.&lt;/p&gt;

&lt;p&gt;However, this leaves open the possibility of first doing some computations on the catalog, acquiring the correct snaphsot via shard role acquisiton/AutoGetter, then getting the correct Catalog and continuing with the same assumptions.&lt;/p&gt;

&lt;p&gt;This could lead to potential query/data inconsistencies if we had something existing at the latest catalog but not in the snapshotted one and the rest of the code assuming the first catalog for operations instead.&lt;/p&gt;

&lt;p&gt;To avoid this we should forbid the implicit acquisition of the latest catalog without a snapshot and add an invariant that crashes the server if accessing the catalog without a snapshot open. We should still allow a user to explicitly ask for the latest version however.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2526137">SERVER-84236</key>
            <summary>Forbid usage of CollectionCatalog::get without an open snapshot</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="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-catalog-and-routing">Backlog - Catalog and Routing</assignee>
                                    <reporter username="jordi.olivares-provencio@mongodb.com">Jordi Olivares Provencio</reporter>
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                <created>Fri, 15 Dec 2023 16:02:27 +0000</created>
                <updated>Thu, 21 Dec 2023 11:30:07 +0000</updated>
                                                                                                <votes>0</votes>
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