hi, I would like to complete this operation
data：
{
"city": "Los Angeles",
"name": "1",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "2",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "3",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "4",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "5",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "6",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "7",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "8",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "9",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "10",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "11",
"time": "1464240096"
}
{
"city": "Los Angeles",
"name": "12",
"time": "1464240096"
}
{
"city": "new York",
"name": "21",
"time": "1464240091"
}
{
"city": "new York",
"name": "22",
"time": "1464240091"
}
{
"city": "new York",
"name": "23",
"time": "1464240091"
}
{
"city": "new York",
"name": "24",
"time": "1464240091"
}
{
"city": "new York",
"name": "25",
"time": "1464240091"
}
{
"city": "new York",
"name": "26",
"time": "1464240091"
}
{
"city": "new York",
"name": "27",
"time": "1464240091"
}
{
"city": "new York",
"name": "28",
"time": "1464240091"
}
{
"city": "new York",
"name": "29",
"time": "1464240091"
}
{
"city": "new York",
"name": "30",
"time": "1464240091"
}
{
"city": "new York",
"name": "31",
"time": "1464240091"
}
{
"city": "new York",
"name": "32",
"time": "1464240091"
}
then return：
[
{
"city": "new York",
"name": "21",
"time": "1464240091",
"names": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12"
]
},
{
"city": "Los Angeles",
"name": "1",
"time": "1464240096",
"names": [
"21",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"30",
"31",
"32"
]
}
]
the ultimate result I need meets :
firstly: sorted by time ，
secondly ：merge into 2 records finally
What should I do