28 lines
797 B
JavaScript
28 lines
797 B
JavaScript
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t = db.update_serializability1;
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t.drop();
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N = 100000;
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bulk = t.initializeUnorderedBulkOp()
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for ( var i = 0; i < N; i++ ) {
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bulk.insert( { _id : i, a : i, b: N-i, x : 1, y : 1 } );
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}
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bulk.execute();
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t.ensureIndex( { a : 1 } );
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t.ensureIndex( { b : 1 } );
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s1 = startParallelShell( "db.update_serializability1.update( { a : { $gte : 0 } }, { $set : { b : " + (N+1) + ", x : 2 } }, false, true );" );
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s2 = startParallelShell( "db.update_serializability1.update( { b : { $lte : " + N + " } }, { $set : { a : -1, y : 2 } }, false, true );" );
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s1();
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s2();
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// some of each type should have gotten done
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assert( t.find( { x : 2 } ).count() > 0 );
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assert( t.find( { y : 2 } ).count() > 0 );
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// both operations should never happen on a document
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assert.eq( 0, t.find( { x : 2, y : 2 } ).count() );
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