In 2.6.0-rc1 db.upgradeCheck() will return an error if run with no parameters:
> db.upgradeCheck() database 'test' for 2.6 upgrade compatibility Checking database test 2014-03-11T13:18:19.859+1100 ReferenceError: dbName is not defined at src/mongo/shell/upgrade_check.js:141
but if a dbname is specified, an error will be returned indicating a collection was not specified:
> db.upgradeCheck({ db : "test" } )
2014-03-11T13:19:16.004+1100 Error: When providing an argument to upgradeCheck, it must be of the form {collection: <collectionNameString>}. Otherwise, it will check every collection in the database. If you would like to check all databases, run db.upgradeCheckAllDbs() from the admin database. at src/mongo/shell/upgrade_check.js:132
The db parameter is no longer being checked at all, only the collection. This makes it impossible to check a single database, only a collection in a database or all databases (with db.upgradeCheckAllDbs())
- is related to
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SERVER-8391 Pre-flight upgrade tool to check for changes breaking backwards compatibility or introducing regressions
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- Closed
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