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29 lines
733 B
JavaScript
29 lines
733 B
JavaScript
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t = db.proj_key1;
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t.drop();
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as = []
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for ( i=0; i<10; i++ ){
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as.push( { a : i } )
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t.insert( { a : i , b : i } );
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}
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assert( ! t.find( {} , { a : 1 } ).explain().indexOnly , "A1" )
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t.ensureIndex( { a : 1 } )
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assert( t.find( { a : { $gte : 0 } } , { a : 1 , _id : 0 } ).explain().indexOnly , "A2" )
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assert( ! t.find( { a : { $gte : 0 } } , { a : 1 } ).explain().indexOnly , "A3" ) // because id _id
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// assert( t.find( {} , { a : 1 , _id : 0 } ).explain().indexOnly , "A4" ); // TODO: need to modify query optimier SERVER-2109
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assert.eq( as , t.find( { a : { $gte : 0 } } , { a : 1 , _id : 0 } ).toArray() , "B1" )
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assert.eq( as , t.find( { a : { $gte : 0 } } , { a : 1 , _id : 0 } ).batchSize(2).toArray() , "B1" )
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