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  1. Core Server
  2. SERVER-12747

createIndexes: 'createdCollectionAutomatically' value is incorrect when collection creation fails

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      var myDB = db.getSiblingDB('bugs');
var collName = new Array(120).join('z');
var coll = myDB[collName];
var res = coll.runCommand('createIndexes', {indexes: [{key: {'test': 1}, name: 'test'}]});

// no collection was actually created
assert.eq(0, myDB.getCollectionNames().length);

// but the result document reports true and this assert fails
assert.eq(res.createdCollectionAutomatically, false, tojson(res));
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      var myDB = db.getSiblingDB('bugs'); var collName = new Array(120).join('z'); var coll = myDB[collName]; var res = coll.runCommand('createIndexes', {indexes: [{key: {'test': 1}, name: 'test'}]}); // no collection was actually created assert.eq(0, myDB.getCollectionNames().length); // but the result document reports true and this assert fails assert.eq(res.createdCollectionAutomatically, false, tojson(res));
    • Query 10 (02/22/16)

      The createIndexes command will report that a collection has been created even if the creation of the new collection fails:

      {
	"createdCollectionAutomatically" : true,
	"errmsg" : "exception: fully qualified namespace bugz.zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz is too long (max is 120 bytes)",
	"code" : 17381,
	"ok" : 0
}

      Version: 7aad87285f8149e1979699d9767815740e98dff4

            Assignee:
            max.hirschhorn@mongodb.com Max Hirschhorn
            Reporter:
            kamran.khan Kamran K.
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              Created:
              Updated:
              Resolved: