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Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Steps To Reproduce:
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var t = db.dropdups; t.drop(); t.ensureIndex({a: 1}, {dropDups: true}); t.getIndexSpecs().forEach(function(spec) { assert.eq(false, spec.hasOwnProperty('dropDups'), tojson(spec)); });
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var t = db.dropdups; t.drop(); t.ensureIndex({a: 1}, {dropDups: true}); t.getIndexSpecs().forEach(function(spec) { assert.eq(false, spec.hasOwnProperty('dropDups'), tojson(spec)); });
Confidence Status:
None
Work Order:
3

IndexCatalog::_fixIndexSpec has this code:

1119    else if ( s == "dropDup" ) {
1120        // dropDups is silently ignored and removed from the spec as of SERVER-14710.
1121    }

I believe "dropDup" should be "dropDups".

Version: 10827279fbc6380d4d7774837022b65b3204a988

is related to

SERVER-14710 Remove dropDups support from index building