我正在尝试编写如下语句:profileId =“some value”df.withColumn(“ProfileId”,col(profileId))并在DataBricks上获得AnalysisException。据我所知,这应该是有效的,所以我想知道问题是什么。任何帮助,将不胜感激。
尝试将lit
与变量一起使用,例如
%py
from pyspark.sql.functions import col, expr, when, lit
df = sc.parallelize([
("orange", "apple"), ("kiwi", None), (None, "banana"),
("mango", "mango"), (None, None)
]).toDF(["fruit1", "fruit2"])
profileId = "some value"
display(df.withColumn("ProfileId", lit(profileId)))