diff options
Diffstat (limited to 'jstests/core/covered_index_sort_3.js')
-rw-r--r-- | jstests/core/covered_index_sort_3.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/jstests/core/covered_index_sort_3.js b/jstests/core/covered_index_sort_3.js new file mode 100644 index 00000000000..8f5986c4d76 --- /dev/null +++ b/jstests/core/covered_index_sort_3.js @@ -0,0 +1,16 @@ +// Compound index covered query tests with sort + +var coll = db.getCollection("covered_sort_3") +coll.drop() +for (i=0;i<100;i++) { + coll.insert({a:i, b:"strvar_"+(i%13), c:NumberInt(i%10)}) +} +coll.insert +coll.ensureIndex({a:1,b:-1,c:1}) + +// Test no query, sort on all fields in index order +var plan = coll.find({}, {b:1, c:1, _id:0}).sort({a:1,b:-1,c:1}).hint({a:1, b:-1, c:1}).explain() +assert.eq(true, plan.indexOnly, "compound.1.1 - indexOnly should be true on covered query") +assert.eq(0, plan.nscannedObjects, "compound.1.1 - nscannedObjects should be 0 for covered query") + +print ('all tests pass') |