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U-SQL - 从json-array中提取数据

已经尝试了建议的JSONPath选项,但似乎JSONExtractor只识别根级别.在我的情况下,我必须处理嵌套的json结构,也有一个数组(见下面的例子).没有多个中间文件的任何提取选项?

"relation": {
"relationid": "123456",
"name": "relation1",
"addresses": {
    "address": [{
        "addressid": "1",
        "street": "Street 1",
        "postcode": "1234 AB",
        "city": "City 1"
        },
    {
        "addressid": "2",
        "street": "Street 2",
        "postcode": "5678 CD",
        "city": "City 2"
    }]
}}
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SELECT relationid,addressid,street,postcode,city?

json azure-data-lake u-sql

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