Analyze asserts when run twice on the same collection with collation

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    • Type: Bug
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: None
    • Query Optimization
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      db.createCollection("collation", {collation: {locale: 'en', strength: 2}})
db.collation.insert({a: 'abc'})
db.runCommand({analyze: "collation", key: "a"})
db.runCommand({analyze: "collation", key: "a"})
// MongoServerError: Cannot find index to verify that join fields will be unique

      This error message comes from the $merge stage generated by the analyze command complaining that the collation of the source collection is different than that of the existing statistics collection.

            Assignee:
            Unassigned
            Reporter:
            Ben Shteinfeld
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              Created:
              Updated: