A[{"name1":"abc", "name2":"xyz","2018/05/10":"2", "2018/05/12":"4", "2018/05/20":"20"}, {"name1":"def", "name2":"xxx","2018/05/10":"23", "2018/05/12":"34", "2018/05/20":"0"},{.....},{......}]

name1-------name2--------2018/05/10-------2018/05/12-------2018/05/20

abc-------------xyz----------2--------------------------4-------------------20

def------------xxxx----------23-------------------------34----------------0