// val tag_level_index=result.rdd.map(row=>(row(0).toString,row(1).toString)).map(row=>(row._1.split(",").head,row._1.split(",")(1),row._2)).toDF("tag_id","level_id","index")
// val test=tag_level_index.select(tag_level_index.col("tag_id").cast(DoubleType).as("tag_id"),tag_level_index.col("level_id").cast(DoubleType).as("level_id"),tag_level_index.col("index").cast(DoubleType).as("index"))