Imported Upstream version 2.0.0

1 files changed, 58 insertions, 0 deletions

diff --git a/jstests/indexk.js b/jstests/indexk.js
new file mode 100644
index 0000000..7cef95a
--- /dev/null
+++ b/jstests/indexk.js
@@ -0,0 +1,58 @@
+// Check correct result set when bounds each match different multikeys SERVER-958
+
+t = db.jstests_indexk;
+t.drop();
+
+t.insert({a:[1,10]});
+
+assert.eq( 1, t.count({a: {$gt:2, $lt:5}}) );
+assert.eq( 1, t.count({a: {$gt:2}}) );
+assert.eq( 1, t.count({a: {$lt:5}}) );
+
+assert.eq( 1, t.count({a: {$gt:5, $lt:2}}) );
+assert.eq( 1, t.count({a: {$gt:5}}) );
+assert.eq( 1, t.count({a: {$lt:2}}) );
+
+t.ensureIndex({a:1});
+
+// Check that only one constraint limits the index range for a multikey index.
+// The constraint used is arbitrary, but testing current behavior here.
+
+assert.eq( 1, t.count({a: {$gt: 2, $lt:5}}) );
+e = t.find({a: {$gt: 2, $lt:5}}).explain();
+assert.eq( 1, e.nscanned );
+assert.eq( 1, e.n );
+assert.eq( 2, e.indexBounds.a[ 0 ][ 0 ] );
+// Check that upper bound is large ( > 5 ).
+assert.lt( 1000, e.indexBounds.a[ 0 ][ 1 ] );
+
+assert.eq( 1, t.count({a: {$lt: 5, $gt:2}}) );
+e = t.find({a: {$lt: 5, $gt:2}}).explain();
+assert.eq( 1, e.nscanned );
+assert.eq( 1, e.n );
+// Check that upper bound is low ( < 2 ).
+assert.gt( -1000, e.indexBounds.a[ 0 ][ 0 ] );
+assert.eq( 5, e.indexBounds.a[ 0 ][ 1 ] );
+
+// Now check cases where no match is possible with a single key index.
+
+assert.eq( 1, t.count({a: {$gt: 5, $lt:2}}) );
+e = t.find({a: {$gt: 5, $lt:2}}).explain();
+assert.eq( 1, e.nscanned );
+assert.eq( 1, e.n );
+assert.eq( 5, e.indexBounds.a[ 0 ][ 0 ] );
+// Check that upper bound is low ( < 2 ).
+assert.lt( 1000, e.indexBounds.a[ 0 ][ 1 ] );
+
+assert.eq( 1, t.count({a: {$lt: 2, $gt:5}}) );
+e = t.find({a: {$lt: 2, $gt:5}}).explain();
+assert.eq( 1, e.nscanned );
+assert.eq( 1, e.n );
+// Check that upper bound is large ( > 5 ).
+assert.gt( -1000, e.indexBounds.a[ 0 ][ 0 ] );
+assert.eq( 2, e.indexBounds.a[ 0 ][ 1 ] );
+
+assert.eq( 1, t.count({a: {$gt: 2}}) );
+assert.eq( 1, t.count({a: {$lt: 5}}) );
+
+// Check good performance of single key index
\ No newline at end of file