25 lines
647 B
JavaScript
25 lines
647 B
JavaScript
// Test a query with 200 $or clauses
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t = db.jstests_orf;
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t.drop();
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var a = [];
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var expectBounds = [];
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for (var i = 0; i < 200; ++i) {
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a.push({_id: i});
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expectBounds.push([i, i]);
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}
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a.forEach(function(x) {
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t.save(x);
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});
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// This $or query is answered as an index scan over
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// a series of _id index point intervals.
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explain = t.find({$or: a}).hint({_id: 1}).explain(true);
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printjson(explain);
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assert.eq(200, explain.executionStats.nReturned, 'n');
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assert.eq(200, explain.executionStats.totalKeysExamined, 'keys examined');
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assert.eq(200, explain.executionStats.totalDocsExamined, 'docs examined');
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assert.eq(200, t.count({$or: a}));
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