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91 lines
4.0 KiB
JavaScript
91 lines
4.0 KiB
JavaScript
// Tests that the sort specification is obeyed when the query contains $near/$nearSphere.
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(function() {
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'use strict';
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const st = new ShardingTest({shards: 2});
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const db = st.getDB("test");
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const coll = db.geo_near_sort;
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const caseInsensitive = {locale: "en_US", strength: 2};
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assert.commandWorked(st.s0.adminCommand({enableSharding: db.getName()}));
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st.ensurePrimaryShard(db.getName(), st.shard0.shardName);
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assert.commandWorked(st.s0.adminCommand({shardCollection: coll.getFullName(), key: {_id: 1}}));
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// Split the data into 2 chunks and move the chunk with _id > 0 to shard 1.
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assert.commandWorked(st.s0.adminCommand({split: coll.getFullName(), middle: {_id: 0}}));
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assert.commandWorked(st.s0.adminCommand(
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{movechunk: coll.getFullName(), find: {_id: 1}, to: st.shard1.shardName}));
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// Insert some documents. The sort order by distance from the origin is [-2, 1, -1, 2] (under 2d
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// or 2dsphere geometry). The sort order by {a: 1} under the case-insensitive collation is [2,
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// -1, 1, -2]. The sort order by {b: 1} is [2. -1, 1, -2].
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const docMinus2 = {_id: -2, geo: [0, 0], a: "BB", b: 3};
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const docMinus1 = {_id: -1, geo: [0, 2], a: "aB", b: 1};
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const doc1 = {_id: 1, geo: [0, 1], a: "Ba", b: 2};
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const doc2 = {_id: 2, geo: [0, 3], a: "aa", b: 0};
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assert.writeOK(coll.insert(docMinus2));
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assert.writeOK(coll.insert(docMinus1));
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assert.writeOK(coll.insert(doc1));
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assert.writeOK(coll.insert(doc2));
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function testSortOrders(query, indexSpec) {
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assert.commandWorked(coll.createIndex(indexSpec));
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// Test a $near/$nearSphere query without a specified sort. The results should be sorted by
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// distance from the origin.
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let res = coll.find(query).toArray();
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assert.eq(res.length, 4, tojson(res));
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assert.eq(res[0], docMinus2, tojson(res));
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assert.eq(res[1], doc1, tojson(res));
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assert.eq(res[2], docMinus1, tojson(res));
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assert.eq(res[3], doc2, tojson(res));
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// Test with a limit.
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res = coll.find(query).limit(2).toArray();
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assert.eq(res.length, 2, tojson(res));
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assert.eq(res[0], docMinus2, tojson(res));
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assert.eq(res[1], doc1, tojson(res));
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if (db.getMongo().useReadCommands()) {
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// Test a $near/$nearSphere query sorted by {a: 1} with the case-insensitive collation.
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res = coll.find(query).collation(caseInsensitive).sort({a: 1}).toArray();
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assert.eq(res.length, 4, tojson(res));
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assert.eq(res[0], doc2, tojson(res));
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assert.eq(res[1], docMinus1, tojson(res));
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assert.eq(res[2], doc1, tojson(res));
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assert.eq(res[3], docMinus2, tojson(res));
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// Test with a limit.
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res = coll.find(query).collation(caseInsensitive).sort({a: 1}).limit(2).toArray();
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assert.eq(res.length, 2, tojson(res));
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assert.eq(res[0], doc2, tojson(res));
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assert.eq(res[1], docMinus1, tojson(res));
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}
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// Test a $near/$nearSphere query sorted by {b: 1}.
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res = coll.find(query).sort({b: 1}).toArray();
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assert.eq(res.length, 4, tojson(res));
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assert.eq(res[0], doc2, tojson(res));
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assert.eq(res[1], docMinus1, tojson(res));
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assert.eq(res[2], doc1, tojson(res));
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assert.eq(res[3], docMinus2, tojson(res));
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// Test with a limit.
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res = coll.find(query).sort({b: 1}).limit(2).toArray();
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assert.eq(res.length, 2, tojson(res));
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assert.eq(res[0], doc2, tojson(res));
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assert.eq(res[1], docMinus1, tojson(res));
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assert.commandWorked(coll.dropIndex(indexSpec));
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}
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testSortOrders({geo: {$near: [0, 0]}}, {geo: "2d"});
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testSortOrders({geo: {$nearSphere: [0, 0]}}, {geo: "2d"});
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testSortOrders({geo: {$near: {$geometry: {type: "Point", coordinates: [0, 0]}}}},
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{geo: "2dsphere"});
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testSortOrders({geo: {$nearSphere: {$geometry: {type: "Point", coordinates: [0, 0]}}}},
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{geo: "2dsphere"});
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st.stop();
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})();
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