mirror of https://github.com/mongodb/mongo
31 lines
821 B
JavaScript
31 lines
821 B
JavaScript
// Cannot implicitly shard accessed collections because of not being able to create unique index
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// using hashed shard key pattern.
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// @tags: [cannot_create_unique_index_when_using_hashed_shard_key, requires_fastcount]
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// unique index test for a case where the object grows
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// and must move
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// see indexa.js for the test case for an update with dup id check
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// when it doesn't move
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let t = db.indexb;
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t.drop();
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t.createIndex({a: 1}, true);
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t.insert({a: 1});
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let x = {a: 2};
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t.save(x);
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{
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assert(t.count() == 2, "count wrong B");
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x.a = 1;
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x.filler = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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t.save(x); // should fail, not unique.
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assert(t.count() == 2, "count wrong");
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assert(t.find({a: 1}).count() == 1, "bfail1");
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assert(t.find({a: 2}).count() == 1, "bfail2");
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}
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