File: array_match1.js

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mongodb 1%3A1.4.4-3
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t = db.array_match1
t.drop();

t.insert( { _id : 1 , a : [ 5 , 5 ] } )
t.insert( { _id : 2 , a : [ 6 , 6 ] } )
t.insert( { _id : 3 , a : [ 5 , 5 ] } )

function test( f , m ){
    var q = {};

    q[f] = [5,5];
    assert.eq( 2 , t.find( q ).itcount() , m + "1" )

    q[f] = [6,6];
    assert.eq( 1 , t.find( q ).itcount() , m + "2" )
}

test( "a" , "A" );
t.ensureIndex( { a : 1 } )
test( "a" , "B" );

t.drop();

t.insert( { _id : 1 , a : { b : [ 5 , 5 ] } } )
t.insert( { _id : 2 , a : { b : [ 6 , 6 ] } } )
t.insert( { _id : 3 , a : { b : [ 5 , 5 ] } } )

test( "a.b" , "C" );
t.ensureIndex( { a : 1 } )
test( "a.b" , "D" );