ccb422a131
SBE will now support AND_SORTED index intersection plans. Additionally, this patch includes an implementation of the sort-merge join algorithm, which is used to model AND_SORTED plans. Co-authored-by: Alya Berciu <alya.berciu@mongodb.com>
84 lines
1.9 KiB
JavaScript
84 lines
1.9 KiB
JavaScript
t = db.all2;
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t.drop();
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t.save({a: [{x: 1}, {x: 2}]});
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t.save({a: [{x: 2}, {x: 3}]});
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t.save({a: [{x: 3}, {x: 4}]});
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state = "no index";
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function check(n, q, e) {
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assert.eq(n, t.find(q).count(), tojson(q) + " " + e + " count " + state);
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assert.eq(n, t.find(q).itcount(), tojson(q) + " " + e + " itcount" + state);
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}
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check(1, {"a.x": {$in: [1]}}, "A");
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check(2, {"a.x": {$in: [2]}}, "B");
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check(2, {"a.x": {$in: [1, 2]}}, "C");
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check(3, {"a.x": {$in: [2, 3]}}, "D");
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check(3, {"a.x": {$in: [1, 3]}}, "E");
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check(1, {"a.x": {$all: [1, 2]}}, "F");
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check(1, {"a.x": {$all: [2, 3]}}, "G");
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check(0, {"a.x": {$all: [1, 3]}}, "H");
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t.createIndex({"a.x": 1});
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state = "index";
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check(1, {"a.x": {$in: [1]}}, "A");
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check(2, {"a.x": {$in: [2]}}, "B");
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check(2, {"a.x": {$in: [1, 2]}}, "C");
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check(3, {"a.x": {$in: [2, 3]}}, "D");
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check(3, {"a.x": {$in: [1, 3]}}, "E");
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check(1, {"a.x": {$all: [1, 2]}}, "F");
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check(1, {"a.x": {$all: [2, 3]}}, "G");
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check(0, {"a.x": {$all: [1, 3]}}, "H");
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// --- more
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t.drop();
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t.save({a: [1, 2]});
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t.save({a: [2, 3]});
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t.save({a: [3, 4]});
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state = "more no index";
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check(1, {"a": {$in: [1]}}, "A");
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check(2, {"a": {$in: [2]}}, "B");
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check(2, {"a": {$in: [1, 2]}}, "C");
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check(3, {"a": {$in: [2, 3]}}, "D");
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check(3, {"a": {$in: [1, 3]}}, "E");
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check(1, {"a": {$all: [1, 2]}}, "F");
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check(1, {"a": {$all: [2, 3]}}, "G");
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check(0, {"a": {$all: [1, 3]}}, "H");
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t.createIndex({"a": 1});
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state = "more index";
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check(1, {"a": {$in: [1]}}, "A");
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check(2, {"a": {$in: [2]}}, "B");
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check(2, {"a": {$in: [1, 2]}}, "C");
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check(3, {"a": {$in: [2, 3]}}, "D");
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check(3, {"a": {$in: [1, 3]}}, "E");
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check(1, {"a": {$all: [1, 2]}}, "F");
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check(1, {"a": {$all: [2, 3]}}, "G");
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check(0, {"a": {$all: [1, 3]}}, "H");
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// more 2
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state = "more 2";
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t.drop();
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t.save({name: ["harry", "jack", "tom"]});
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check(0, {name: {$all: ["harry", "john"]}}, "A");
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t.createIndex({name: 1});
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check(0, {name: {$all: ["harry", "john"]}}, "B");
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