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/**
* Test the syntax of $fill.
* @tags: [
* requires_fcv_52,
* ]
*/
(function() {
"use strict";
load("jstests/libs/fixture_helpers.js");
load("jstests/libs/feature_flag_util.js"); // For isEnabled.
load("jstests/aggregation/extras/utils.js"); // For arrayEq.
if (!FeatureFlagUtil.isEnabled(db, "Fill")) {
jsTestLog("Skipping as featureFlagFill is not enabled");
return;
}
const coll = db[jsTestName()];
coll.drop();
const documents = [
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 3, linear: null, other: null, part: 1},
{_id: 4, linear: null, other: null, part: 2},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 7, linear: null, other: null, part: 1},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 10, linear: null, other: null, part: 2}
];
assert.commandWorked(coll.insert(documents));
const testCases = [
[
[
{$match: {part: 1}},
{$project: {other: 0, part: 0}},
{$fill: {sortBy: {_id: 1}, output: {linear: {method: "linear"}}}}
],
[
{_id: 1, linear: 1},
{_id: 3, linear: 3},
{_id: 5, linear: 5},
{_id: 7, linear: 6},
{_id: 9, linear: 7}
]
], // 0
[
[
{$project: {linear: 0, part: 0}},
{$fill: {sortBy: {_id: 1}, output: {other: {method: "locf"}}}}
],
[
{_id: 1, other: 1},
{_id: 2, other: 1},
{_id: 3, other: 1},
{_id: 4, other: 1},
{_id: 5, other: 10},
{_id: 6, other: 2},
{_id: 7, other: 2},
{_id: 8, other: 5},
{_id: 9, other: 15},
{_id: 10, other: 15}
]
], // 1
[
[
{$match: {part: 2}},
{
$fill: {
sortBy: {_id: 1},
output: {other: {method: "locf"}, linear: {method: "linear"}}
}
}
],
[
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 4, linear: 3.5, other: 1, part: 2},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 10, linear: null, other: 5, part: 2}
]
], // 2
[
[{
$fill:
{sortBy: {_id: 1}, output: {other: {method: "locf"}}, partitionByFields: ["part"]}
}],
[
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 3, linear: null, other: 1, part: 1},
{_id: 4, linear: null, other: 1, part: 2},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 7, linear: null, other: 10, part: 1},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 10, linear: null, other: 5, part: 2}
]
], // 3
[
[{
$fill:
{sortBy: {_id: 1}, output: {other: {method: "locf"}}, partitionBy: {part: "$part"}}
}],
[
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 3, linear: null, other: 1, part: 1},
{_id: 4, linear: null, other: 1, part: 2},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 7, linear: null, other: 10, part: 1},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 10, linear: null, other: 5, part: 2}
]
], // 4
[
[{
$fill: {
sortBy: {_id: 1},
output: {linear: {method: "linear"}},
partitionByFields: ["part"]
}
}],
[
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 3, linear: 3, other: null, part: 1},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 7, linear: 6, other: null, part: 1},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 4, linear: 3.5, other: null, part: 2},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 10, linear: null, other: null, part: 2}
]
], // 5
[
[{
$fill: {
sortBy: {_id: 1},
output: {linear: {method: "linear"}},
partitionBy: {part: "$part"}
}
}],
[
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 3, linear: 3, other: null, part: 1},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 7, linear: 6, other: null, part: 1},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 4, linear: 3.5, other: null, part: 2},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 10, linear: null, other: null, part: 2}
]
], // 6
[
[{
$fill: {
sortBy: {_id: 1},
output: {other: {method: "locf"}, linear: {method: "linear"}},
partitionByFields: ["part"]
}
}],
[
{_id: 1, linear: 1, other: 1, part: 1},
{_id: 3, linear: 3, other: 1, part: 1},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 7, linear: 6, other: 10, part: 1},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 2, linear: 1, other: 1, part: 2},
{_id: 4, linear: 3.5, other: 1, part: 2},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 10, linear: null, other: 5, part: 2}
]
], // 7
[
[
{$set: {linear: {$cond: [{$eq: ["$linear", 1]}, null, "$linear"]}}},
{
$fill: {
sortBy: {_id: 1},
output: {other: {method: "locf"}, linear: {method: "linear"}},
partitionByFields: ["part"]
}
}
],
[
{_id: 1, linear: null, other: 1, part: 1},
{_id: 3, linear: null, other: 1, part: 1},
{_id: 5, linear: 5, other: 10, part: 1},
{_id: 7, linear: 6, other: 10, part: 1},
{_id: 9, linear: 7, other: 15, part: 1},
{_id: 2, linear: null, other: 1, part: 2},
{_id: 4, linear: null, other: 1, part: 2},
{_id: 6, linear: 6, other: 2, part: 2},
{_id: 8, linear: 3, other: 5, part: 2},
{_id: 10, linear: null, other: 5, part: 2}
]
], // 8 Test with first element in partition having a null fill field.
];
for (let i = 0; i < testCases.length; i++) {
const result = coll.aggregate(testCases[i][0]).toArray();
assertArrayEq(
{actual: result, expected: testCases[i][1], extraErrorMsg: " during testCase " + i});
}
})();
|
