Basic aggregate expressions are now allowed in queries with $expr paralleling MongoDB. Currently only a few of myriad expressions are implemented here, including $sum, $min, $max and a non-standard extension $same
varrows=[{x0: 0,x1: 50,x2: 30},{x0: 10,x1: 50,x2: 40},{x0: 25,x1: 50,x2: 30},{x0: 40,x1: 50,x2: 10},]varr1=Query.query(rows,{$expr: {$eq: [100,{$sum: ["x0","x1","x2"]}]}})
Basic aggregate expressions are now allowed in queries with
$exprparalleling MongoDB. Currently only a few of myriad expressions are implemented here, including$sum,$min,$maxand a non-standard extension$same