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// See: SERVER-9240, SERVER-9401.
// s2 rejects shapes with duplicate adjacent points as invalid, but they are
// valid in GeoJSON. We store the duplicates, but internally remove them
// before indexing or querying.
t = db.geo_s2dupe_points;
t.drop();
t.ensureIndex({geo: "2dsphere"});
function testDuplicates(shapeName, shapeWithDupes, shapeWithoutDupes) {
// insert a doc with dupes
assert.writeOK(t.insert(shapeWithDupes));
// duplicates are preserved when the document is fetched by _id
assert.eq(shapeWithDupes, t.findOne({_id: shapeName}));
assert.neq(shapeWithoutDupes, t.findOne({_id: shapeName}).geo);
// can query with $geoIntersects inserted doc using both the duplicated and de-duplicated docs
assert.eq(t.find({geo: {$geoIntersects: {$geometry: shapeWithDupes.geo}}}).itcount(), 1);
assert.eq(t.find({geo: {$geoIntersects: {$geometry: shapeWithoutDupes}}}).itcount(), 1);
// direct document equality in queries is preserved
assert.eq(t.find({geo: shapeWithoutDupes}).itcount(), 0);
assert.eq(t.find({geo: shapeWithDupes.geo}).itcount(), 1);
}
// LineString
var lineWithDupes = {
_id: "line",
geo: {type: "LineString", coordinates: [[40, 5], [40, 5], [40, 5], [41, 6], [41, 6]]}
};
var lineWithoutDupes = {type: "LineString", coordinates: [[40, 5], [41, 6]]};
// Polygon
var polygonWithDupes = {
_id: "poly",
geo: {
type: "Polygon",
coordinates: [
[[-3.0, -3.0], [3.0, -3.0], [3.0, 3.0], [-3.0, 3.0], [-3.0, -3.0]],
[[-2.0, -2.0], [2.0, -2.0], [2.0, 2.0], [-2.0, 2.0], [-2.0, -2.0], [-2.0, -2.0]]
]
}
};
var polygonWithoutDupes = {
type: "Polygon",
coordinates: [
[[-3.0, -3.0], [3.0, -3.0], [3.0, 3.0], [-3.0, 3.0], [-3.0, -3.0]],
[[-2.0, -2.0], [2.0, -2.0], [2.0, 2.0], [-2.0, 2.0], [-2.0, -2.0]]
]
};
// MultiPolygon
var multiPolygonWithDupes = {
_id: "multi",
geo: {
type: "MultiPolygon",
coordinates: [
[[[102.0, 2.0], [103.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]],
[
[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]],
[
[100.2, 0.2],
[100.8, 0.2],
[100.8, 0.8],
[100.8, 0.8],
[100.8, 0.8],
[100.2, 0.8],
[100.2, 0.2]
]
]
]
}
};
var multiPolygonWithoutDupes = {
type: "MultiPolygon",
coordinates: [
[[[102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]],
[
[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]],
[[100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]
]
]
};
testDuplicates("line", lineWithDupes, lineWithoutDupes);
testDuplicates("poly", polygonWithDupes, polygonWithoutDupes);
testDuplicates("multi", multiPolygonWithDupes, multiPolygonWithoutDupes);
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