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authorRandolph Tan <randolph@10gen.com>2014-01-14 14:09:42 -0500
committerRandolph Tan <randolph@10gen.com>2014-02-28 16:26:33 -0500
commit5595b945603b0712c537787e31e6da661c424fee (patch)
tree90945ee3fe4931032f3af2d397bb755fbf5d30ef /jstests/core/coveredIndex2.js
parentcd62080dcb036e83f8fca6d68d9bcab67bf7a21c (diff)
downloadmongo-5595b945603b0712c537787e31e6da661c424fee.tar.gz
SERVER-12127 migrate js tests to jscore suite when not related to writes
Moved test jstest/[a-i].js -> jstests/core/ and made changes to comply with write command api
Diffstat (limited to 'jstests/core/coveredIndex2.js')
-rw-r--r--jstests/core/coveredIndex2.js18
1 files changed, 18 insertions, 0 deletions
diff --git a/jstests/core/coveredIndex2.js b/jstests/core/coveredIndex2.js
new file mode 100644
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+++ b/jstests/core/coveredIndex2.js
@@ -0,0 +1,18 @@
+t = db["jstests_coveredIndex2"];
+t.drop();
+
+t.save({a: 1})
+t.save({a: 2})
+assert.eq( t.findOne({a: 1}).a, 1, "Cannot find right record" );
+assert.eq( t.count(), 2, "Not right length" );
+
+// use simple index
+t.ensureIndex({a: 1});
+assert.eq( t.find({a:1}).explain().indexOnly, false, "Find using covered index but all fields are returned");
+assert.eq( t.find({a:1}, {a: 1}).explain().indexOnly, false, "Find using covered index but _id is returned");
+assert.eq( t.find({a:1}, {a: 1, _id: 0}).explain().indexOnly, true, "Find is not using covered index");
+
+// add multikey
+t.save({a:[3,4]})
+assert.eq( t.find({a:1}, {a: 1, _id: 0}).explain().indexOnly, false, "Find is using covered index even after multikey insert");
+