70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
(function() {
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'use strict';
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var coll = db.sort1;
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coll.drop();
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coll.save({x: 3, z: 33});
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coll.save({x: 5, z: 33});
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coll.save({x: 2, z: 33});
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coll.save({x: 3, z: 33});
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coll.save({x: 1, z: 33});
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for (var pass = 0; pass < 2; pass++) {
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assert(coll.find().sort({x: 1})[0].x == 1);
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assert(coll.find().sort({x: 1}).skip(1)[0].x == 2);
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assert(coll.find().sort({x: -1})[0].x == 5);
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assert(coll.find().sort({x: -1})[1].x == 3);
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assert.eq(coll.find().sort({x: -1}).skip(0)[0].x, 5);
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assert.eq(coll.find().sort({x: -1}).skip(1)[0].x, 3);
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coll.createIndex({x: 1});
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}
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assert(coll.validate().valid);
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coll.drop();
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coll.save({x: 'a'});
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coll.save({x: 'aba'});
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coll.save({x: 'zed'});
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coll.save({x: 'foo'});
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for (var pass = 0; pass < 2; pass++) {
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assert.eq("a", coll.find().sort({'x': 1}).limit(1).next().x, "c.1");
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assert.eq("a", coll.find().sort({'x': 1}).next().x, "c.2");
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assert.eq("zed", coll.find().sort({'x': -1}).limit(1).next().x, "c.3");
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assert.eq("zed", coll.find().sort({'x': -1}).next().x, "c.4");
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coll.createIndex({x: 1});
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}
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assert(coll.validate().valid);
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// Ensure that sorts with a collation and no index return the correct ordering. Here we use the
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// 'numericOrdering' option which orders number-like strings by their numerical values.
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if (db.getMongo().useReadCommands()) {
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coll.drop();
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assert.commandWorked(coll.insert({_id: 0, str: '1000'}));
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assert.commandWorked(coll.insert({_id: 1, str: '5'}));
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assert.commandWorked(coll.insert({_id: 2, str: '200'}));
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var cursor = coll.find().sort({str: -1}).collation({locale: 'en_US', numericOrdering: true});
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assert.eq(cursor.next(), {_id: 0, str: '1000'});
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assert.eq(cursor.next(), {_id: 2, str: '200'});
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assert.eq(cursor.next(), {_id: 1, str: '5'});
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assert(!cursor.hasNext());
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}
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// Ensure that sorting of arrays correctly respects a collation with numeric ordering.
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if (db.getMongo().useReadCommands()) {
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coll.drop();
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assert.commandWorked(coll.insert({_id: 0, strs: ['1000', '500']}));
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assert.commandWorked(coll.insert({_id: 1, strs: ['2000', '60']}));
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cursor = coll.find({strs: {$lt: '1000'}}).sort({strs: 1}).collation({
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locale: 'en_US',
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numericOrdering: true
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});
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assert.eq(cursor.next(), {_id: 1, strs: ['2000', '60']});
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assert.eq(cursor.next(), {_id: 0, strs: ['1000', '500']});
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assert(!cursor.hasNext());
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}
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})();
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