float()不是Spark函数,您需要该函数
cast():
from pyspark.sql.functions import coldf_temp.select(*(col(c).cast("float").alias(c) for c in df_temp.columns))
float()不是Spark函数,您需要该函数
cast():
from pyspark.sql.functions import coldf_temp.select(*(col(c).cast("float").alias(c) for c in df_temp.columns))