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// Test query stage sorting.
if (false) {
t = db.stages_sort;
t.drop();
var N = 50;
for (var i = 0; i < N; ++i) {
t.insert({foo: i, bar: N - i});
}
t.ensureIndex({foo: 1});
// Foo <= 20, descending.
ixscan1 = {ixscan: {args:{name: "stages_sort", keyPattern:{foo: 1},
startKey: {"": 20},
endKey: {}, endKeyInclusive: true,
direction: -1}}};
// Sort with foo ascending.
sort1 = {sort: {args: {node: ixscan1, pattern: {foo: 1}}}};
res = db.runCommand({stageDebug: sort1});
assert.eq(res.ok, 1);
assert.eq(res.results.length, 21);
assert.eq(res.results[0].foo, 0);
assert.eq(res.results[20].foo, 20);
// Sort with a limit.
//sort2 = {sort: {args: {node: ixscan1, pattern: {foo: 1}, limit: 2}}};
//res = db.runCommand({stageDebug: sort2});
//assert.eq(res.ok, 1);
//assert.eq(res.results.length, 2);
//assert.eq(res.results[0].foo, 0);
//assert.eq(res.results[1].foo, 1);
}
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