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当我尝试使用此代码无法从星火数据插入到卡桑德拉
val myRdd = sc.cassandraTable("mykeypace", "mytable")
val myTransformedRdd = myRdd.map {
(myRdd.getString("field1"), myRdd.GetString("field3"))
}
myTransformedRdd.saveToCassandra("mykeyspace", "someothertable",
SomeColumns("field1", field3"))
我遇到以下错误插入一条记录:
value GetString is not a member of com.datastax.spark.connector.rdd.CassandraTableScanRDD[com.datastax.spark.connector.CassandraRow]
可这有什么呢?
我也尝试getString(),但它给我同样的错误 –