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t = db.find6;
t.drop();
t.save( { a : 1 } )
t.save( { a : 1 , b : 1 } )
assert.eq( 2 , t.find().count() , "A" );
assert.eq( 1 , t.find( { b : null } ).count() , "B" );
assert.eq( 1 , t.find( "function() { return this.b == null; }" ).itcount() , "C" );
assert.eq( 1 , t.find( "function() { return this.b == null; }" ).count() , "D" );
/* test some stuff with dot array notation */
q = db.find6a;
q.drop();
q.insert( { "a" : [ { "0" : 1 } ] } );
q.insert( { "a" : [ { "0" : 2 } ] } );
q.insert( { "a" : [ 1 ] } );
q.insert( { "a" : [ 9, 1 ] } );
function f() {
assert.eq( 2, q.find( { 'a.0' : 1 } ).count(), "da1");
assert.eq( 2, q.find( { 'a.0' : 1 } ).count(), "da2");
assert.eq( 1, q.find( { 'a.0' : { $gt : 8 } } ).count(), "da3");
assert.eq( 0, q.find( { 'a.0' : { $lt : 0 } } ).count(), "da4");
}
for( var pass = 0; pass <= 1 ; pass++ ) {
f();
q.ensureIndex({a:1});
}
t = db.multidim;
t.drop();
t.insert({"a" : [ [ ], 1, [ 3, 4 ] ] });
assert.eq(1, t.find({"a.2":[3,4]}).count(), "md1");
assert.eq(1, t.find({"a.2.1":4}).count(), "md2");
assert.eq(0, t.find({"a.2.1":3}).count(), "md3");
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