原文: :29: error: overloaded method value join with alternatives:(right: org.apache.spark.sql.Dataset[_],joinExprs: org.apache.spark.sql.Column)org.apache.spark.sql.DataFrame

在scala中執行如下代碼,報 join 錯誤 scala gt val data itemTotalTime.join totalTime, userId 錯誤日志如下: lt console gt : : error: overloaded method value join with alternatives: right: org.apache.spark.sql.Dataset ,usi ...

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