2016-07-08 9 views

Antwort

2

Meine eigene Lösung:

{"namespace": "Schema", 
    "name":"PvMap", 
    "type":"record", 
    "fields":[ 
    {"name": "TradeId", "type": "int"}, 
    { "name": "Tmap", 
     "type":{ 
     "type":"map", 
     "values":"float"} 
     } 
    ] 
} 
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