Github user viirya commented on the issue:
https://github.com/apache/spark/pull/20360
@hankim maybe like:
```
import pyspark.sql.functions as f
import uuid
df = spark.createDataFrame([(1,2), (3,4)])
f_udf = f.udf(lambda: str(uuid.uuid4()))
df2 = df.distinct().cache()
df3 = df2.withColumn("a", f_udf()).show()
```
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
