PySpark OR 方法异常
PySpark OR 方法异常
我试图修改PySpark数据框中的一列值如下:
df_cleaned = df_cleaned.withColumn('brand_c', when(df_cleaned['brand'] == "samsung" |\ df_cleaned['brand'] == "oppo", df_cleaned.brand)\ .otherwise('others'))
这将生成以下异常:
调用o435.or时发生错误。 Trace: py4j.Py4JException:
不存在方法or([class java.lang.String]) at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:318)
at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:326)
at py4j.Gateway.invoke(Gateway.java:274) at
py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79) at
py4j.GatewayConnection.run(GatewayConnection.java:238) at
java.lang.Thread.run(Thread.java:748)
Traceback (most recent call last): File
\"/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/column.py\", line
115, in _
njc = getattr(self._jc, name)(jc) File \"/usr/lib/spark/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py\",
line 1257, in call
answer, self.gateway_client, self.target_id, self.name) File \"/usr/lib/spark/python/lib/pyspark.zip/pyspark/sql/utils.py\", line
63, in deco
return f(*a, **kw) File \"/usr/lib/spark/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py\", line
332, in get_return_value
format(target_id, \".\", name, value)) py4j.protocol.Py4JError: 调用o435.or时发生错误。 Trace: py4j.Py4JException:
不存在方法or([class java.lang.String]) at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:318)
at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:326)
at py4j.Gateway.invoke(Gateway.java:274) at
py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79) at
py4j.GatewayConnection.run(GatewayConnection.java:238) at
java.lang.Thread.run(Thread.java:748)