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29 lines
656 B
JavaScript
29 lines
656 B
JavaScript
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t = db.index_elemmatch1
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t.drop()
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x = 0
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y = 0
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for ( a=0; a<100; a++ ){
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for ( b=0; b<100; b++ ){
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t.insert( { a : a , b : b % 10 , arr : [ { x : x++ % 10 , y : y++ % 10 } ] } )
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}
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}
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t.ensureIndex( { a : 1 , b : 1 } )
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t.ensureIndex( { "arr.x" : 1 , a : 1 } )
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assert.eq( 100 , t.find( { a : 55 } ).itcount() , "A1" );
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assert.eq( 10 , t.find( { a : 55 , b : 7 } ).itcount() , "A2" );
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q = { a : 55 , b : { $in : [ 1 , 5 , 8 ] } }
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assert.eq( 30 , t.find( q ).itcount() , "A3" )
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q.arr = { $elemMatch : { x : 5 , y : 5 } }
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assert.eq( 10 , t.find( q ).itcount() , "A4" )
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assert.eq( t.find(q).itcount() , t.find(q).explain().nscanned , "A5" )
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