[英]Rename fields in nested arrays using JOLT transformation
I want to rename fields in an array nested in an another array using JOLT transformation library.我想使用 JOLT 转换库重命名嵌套在另一个数组中的数组中的字段。 1. One field to rename is a top level field in an array 2. Two fields to rename are inside a nested array
1. 要重命名的一个字段是数组中的顶级字段 2. 要重命名的两个字段在嵌套数组中
I have tried using wildcards but they are not giving me expected output.我试过使用通配符,但它们没有给我预期的输出。 I am using JOLT 0.0.22 version.
我正在使用 JOLT 0.0.22 版本。
Input JSON:输入 JSON:
{
"country": "usa",
"state": [
{
"stateName": "TX",
"location": "south",
"cities": [
{
"name": "Austin",
"pop": "1M"
},
{
"name": "Dallas",
"pop": "2M"
}
]
},
{
"stateName": "CA",
"location": "west",
"cities": [
{
"name": "SanFran",
"pop": "3M"
},
{
"name": "LosAngeles",
"pop": "4M"
}
]
}
]
}
Expected Output :预期输出:
{
"country": "usa",
"state": [
{
"stateName": "TX",
"locatedIn": "south", // name change here
"cities": [
{
"cityname": "Austin", // name change here
"citypopulation": "1M" // name change here
},
{
"cityname": "Dallas",
"citypopulation": "2M"
}
]
},
{
"stateName": "CA",
"locatedIn": "west",
"cities": [
{
"cityname": "SanFran",
"pop": "3M"
},
{
"cityname": "LosAngeles",
"citypopulation": "4M"
}
]
}
]
}
Spec规格
[
{
"operation": "shift",
"spec": {
"country": "country",
"state": {
"*": { // state array index
"stateName": "state[&1].stateName",
"location": "state[&1].location",
"cities": {
"*": { // city array index
"name": "state[&3].cities[&1].cityname",
"pop": "state[&3].cities[&1].citypopualtion"
}
}
}
}
}
}
]
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