If you are using PySpark and loaded Hive data into DataFrame you can readPySpark Cast Data type with Example Hive CAST String to Integer Data Types Hive support casting String into several numeric data types lik
Below are some examples that convert String Type to Integer Type (int) frompyspark.sql.typesimportIntegerType,BooleanType,DateType# Convert String to Integer Typedf.withColumn("age",df.age.cast(IntegerType()))df.withColumn("age",df.age.cast('int'))df.withColumn("age",df.age.cast('integer...
|-- age: string (nullable = true) 将PySpark 列类型转换为整数 要将列类型转换为整数,请使用cast("int"): df_new = df.withColumn("age", df["age"].cast("int")) df_new.printSchema() root |-- name: string (nullable = true) |-- age: integer (nullable = true) 将PySpark 列类型转换...
org.apache.spark.sql.catalyst.expressions.UnsafeRow :不能将java.lang.ClassCastException转换为java.lan...
pyspark-sparkstreaming-python v3.5-java.lang.classcastexception:java.lang.integer不能转换为java....