pyspark 报错 StructType can not accept object 原来每个row是 (inputString) 改成 ([inputString]) 就至少不报错了
4、StructType can not accept object 当只有一个元素的时候,改成元组形式。 https://stackoverflow.com/questions/47927044/structtype-can-not-accept-object 参考文献 1、在spark中将数据插入HIVE表
类用于以编程方式指定 DataFrame 的schema并创建复杂的列,如嵌套结构、数组和映射列。StructType是Struct...
from pyspark.sql.types import Row, StructField, StructType, StringType, IntegerType, DoubleType 异常二: 代码语言:txt AI代码解释 TypeError: DoubleType can not accept object u'23' in type <type 'unicode'> at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193) at org...
from pyspark.sql.types import Row, StructField, StructType, StringType, IntegerType, DoubleType 异常二: TypeError: DoubleType can not accept object u'23' in type <type 'unicode'> at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193) at org.apache.spark.api.python...
frompyspark.sql.typesimportRow,StructField,StructType,StringType,IntegerType,DoubleType 异常二: TypeError: DoubleType can not accept object u'23' in type<type'unicode'> at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193) ...
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If your tasks use any large object from the driver program inside of them (e.g. a static lookup table), consider turning it into a broadcast variable. Spark prints the serialized size of each task on the master, so you can look at that to decide whether your tasks are too large; in...
sql.types import StructField, StructType, LongType, StringType schema = StructType( [ StructField("my_id", LongType(), True), StructField("my_string", StringType(), True), ] ) df = spark.createDataFrame([], schema) # Code snippet result: +---+---+ |my_id|my_string| +--...
from pyspark.sql.types import Row,StructField,StructType,StringType,IntegerType,DoubleType 异常二: TypeError:DoubleType cannotacceptobjectu'23'intype<type'unicode'>at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193)at org.apache.spark.api.python.PythonRunner$$anon$1.<in...