我有以下avro模式:
{
"id":1,
"subfields": {
"field_A":"value_A",
"field_B":"value_B",
"field_C":["value_C1","value_C2"]
},
other_field: "other_field"
}
使用pig,我想将“subfields”中的所有字段升级到主级别,这样生成的avro是:
{
"id":1,
"field_A":"value_A",
"field_B":"value_B",
"field_C":["value_C1","value_C2"]
other_field: "other_field"
}
怎么做?
暂无答案!
目前还没有任何答案,快来回答吧!