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// @tags: [
// does_not_support_stepdowns,
// uses_testing_only_commands,
// ]
// Test basic OR functionality
t = db.stages_or;
t.drop();
var collname = "stages_or";
var N = 50;
for (var i = 0; i < N; ++i) {
t.insert({foo: i, bar: N - i, baz: i});
}
t.ensureIndex({foo: 1});
t.ensureIndex({bar: 1});
t.ensureIndex({baz: 1});
// baz >= 40
ixscan1 = {
ixscan: {
args: {
keyPattern: {baz: 1},
startKey: {"": 40},
endKey: {},
startKeyInclusive: true,
endKeyInclusive: true,
direction: 1
}
}
};
// foo >= 40
ixscan2 = {
ixscan: {
args: {
keyPattern: {foo: 1},
startKey: {"": 40},
endKey: {},
startKeyInclusive: true,
endKeyInclusive: true,
direction: 1
}
}
};
// OR of baz and foo. Baz == foo and we dedup.
orix1ix2 = {
or: {args: {nodes: [ixscan1, ixscan2], dedup: true}}
};
res = db.runCommand({stageDebug: {collection: collname, plan: orix1ix2}});
assert.eq(res.ok, 1);
assert.eq(res.results.length, 10);
// No deduping, 2x the results.
orix1ix2nodd = {
or: {args: {nodes: [ixscan1, ixscan2], dedup: false}}
};
res = db.runCommand({stageDebug: {collection: collname, plan: orix1ix2nodd}});
assert.eq(res.ok, 1);
assert.eq(res.results.length, 20);
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