mirror of https://github.com/mongodb/mongo
28 lines
641 B
JavaScript
28 lines
641 B
JavaScript
// Cannot implicitly shard accessed collections because of extra shard key index in sharded
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// collection.
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// @tags: [assumes_no_implicit_index_creation, requires_fastcount]
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// unique index constraint test for updates
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// case where object doesn't grow tested here
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t = db.indexa;
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t.drop();
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t.ensureIndex({x: 1}, true);
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t.insert({'x': 'A'});
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t.insert({'x': 'B'});
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t.insert({'x': 'A'});
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assert.eq(2, t.count(), "indexa 1");
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t.update({x: 'B'}, {x: 'A'});
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a = t.find().toArray();
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u = Array.unique(a.map(function(z) {
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return z.x;
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}));
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assert.eq(2, t.count(), "indexa 2");
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assert(a.length == u.length, "unique index update is broken");
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