index_partial_exists.js uses invalid index option "$filter"

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    • Type: Bug
    • Resolution: Duplicate
    • Priority: Major - P3
    • None
    • Affects Version/s: 3.1.1
    • Component/s: Index Maintenance
    • ALL
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      db.coll.ensureIndex(

      { b: 1, a: 1 }

      , {$$$filter: { b:

      { $exists: 1 }

      } });

      Show
      db.coll.ensureIndex( { b: 1, a: 1 } , {$$$filter: { b: { $exists: 1 } } });
    • Quint Iteration 3.1.2
    • None
    • 3
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      In the partial index specification $filter is accepted as well as filter (like lines 105,140 & 141 in index_partial_exists.js does). $filter is also accepted with as many $$$ in front of filter as you can fit. The extra $ are stored in the index spec.

      
> db.coll.ensureIndex({ b: 1, a: 1 }, {$$$filter: { b: { $exists: 1 } } })
{
	"raw" : {
		"localhost:27018" : {
			"createdCollectionAutomatically" : true,
			"numIndexesBefore" : 1,
			"numIndexesAfter" : 2,
			"ok" : 1
		}
	},
	"ok" : 1
}

> db.coll.getIndexSpecs()
[
	{
		"v" : 1,
		"key" : {
			"_id" : 1
		},
		"name" : "_id_",
		"ns" : "test.coll"
	},
	{
		"v" : 1,
		"key" : {
			"b" : 1,
			"a" : 1
		},
		"name" : "b_1_a_1",
		"ns" : "test.coll",
		"$$$filter" : {
			"b" : {
				"$exists" : 1
			}
		}
	}
]

            Assignee:
            Michael Grundy (Inactive)
            Reporter:
            Michael Grundy (Inactive)
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              Created:
              Updated:
              Resolved: