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t = db.sort4;
t.drop();
function nice( sort , correct , extra ){
var c = t.find().sort( sort );
var s = "";
c.forEach(
function(z){
if ( s.length )
s += ",";
s += z.name;
if ( z.prename )
s += z.prename;
}
);
print( tojson( sort ) + "\t" + s );
if ( correct )
assert.eq( correct , s , tojson( sort ) + "(" + extra + ")" );
return s;
}
t.save({name: 'A', prename: 'B'});
t.save({name: 'A', prename: 'C'});
t.save({name: 'B', prename: 'B'});
t.save({name: 'B', prename: 'D'});
nice( { name:1 } , "AB,AC,BB,BD" , "s1" );
nice( { prename : 1 } , "AB,BB,AC,BD" , "s2" );
nice( {name:1, prename:1} , "AB,AC,BB,BD" , "s3" );
t.save({name: 'A'});
nice( {name:1, prename:1} , "A,AB,AC,BB,BD" , "e1" );
t.save({name: 'C'});
nice( {name:1, prename:1} , "A,AB,AC,BB,BD,C" , "e2" ); // SERVER-282
t.ensureIndex( { name : 1 , prename : 1 } );
nice( {name:1, prename:1} , "A,AB,AC,BB,BD,C" , "e2ia" ); // SERVER-282
t.dropIndexes();
t.ensureIndex( { name : 1 } );
nice( {name:1, prename:1} , "A,AB,AC,BB,BD,C" , "e2ib" ); // SERVER-282
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