sim*_*ing 6 apache-spark-sql pyspark
代码是:
from pyspark.sql import functions as F
df = df.select(F.trim("MyColumn"))
Run Code Online (Sandbox Code Playgroud)
错误是:
Py4JError: An error occurred while calling z:org.apache.spark.sql.functions.trim. Trace:
py4j.Py4JException: Method trim([class java.lang.String]) does not exist
Run Code Online (Sandbox Code Playgroud)
trim
PySpark 2.x 中已弃用吗?我不明白为什么它不起作用,而同一命名空间中的其他一些函数却工作得很好