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// @tags: [does_not_support_stepdowns]
// Test basic fetch functionality.
t = db.stages_fetch;
t.drop();
var collname = "stages_fetch";
var N = 50;
for (var i = 0; i < N; ++i) {
t.insert({foo: i, bar: N - i, baz: i});
}
t.ensureIndex({foo: 1});
// 20 <= foo <= 30
// bar == 25 (not covered, should error.)
ixscan1 = {
ixscan: {
args: {
keyPattern: {foo: 1},
startKey: {"": 20},
endKey: {"": 30},
startKeyInclusive: true,
endKeyInclusive: true,
direction: 1
},
filter: {bar: 25}
}
};
res = db.runCommand({stageDebug: {collection: collname, plan: ixscan1}});
assert.eq(res.ok, 0);
// Now, add a fetch. We should be able to filter on the non-covered field since we fetched the obj.
ixscan2 = {
ixscan: {
args: {
keyPattern: {foo: 1},
startKey: {"": 20},
endKey: {"": 30},
startKeyInclusive: true,
endKeyInclusive: true,
direction: 1
}
}
};
fetch = {
fetch: {args: {node: ixscan2}, filter: {bar: 25}}
};
res = db.runCommand({stageDebug: {collection: collname, plan: fetch}});
printjson(res);
assert.eq(res.ok, 1);
assert.eq(res.results.length, 1);
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