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代碼:如何獲得比賽的原始JSON行的副本registerTempTable後
rddWithJsonData:
[
{"firstName":"John", "lastName":"Doe"},
{"firstName":"Anna", "lastName":"Smith"},
{"firstName":"Peter", "lastName":"Jones"}
]
sqlCtx.read.json(rddWithJsonData).registerTempTable("myTable")
val df = sqlCtx.sql("select firstName from myTable where lastName='Doe'")
電流:
df.show()
+---------------------+
| firstName |
+---------------------+
| John |
+---------------------+
我需要的:
+---------------------+----------------------------------------+
| firstName | Original Json Row |
+---------------------+----------------------------------------+
| John | {"firstName":"John", "lastName":"Doe"}|
+---------------------+----------------------------------------+
如何獲得原始json數據行(匹配)以及已過濾的錶行?
結果在DataFrame中是必需的。
什麼您_The原json_意思?用作輸入的JSON字符串?解析結構? – zero323
@Sahil:你的過濾器在哪裏? 「mySqlQuery」是什麼意思? –
@MartinSenne:更新 –