更新时间:2023-11-13 22:14:46
from pyspark.sql.functions import concat, col, lit
df.select(concat(col("firstname"), lit(" "), col("lastname"))).show(5)
+------------------------------+
|concat(firstname, , lastname)|
+------------------------------+
| Emanuel Panton|
| Eloisa Cayouette|
| Cathi Prins|
| Mitchel Mozdzierz|
| Angla Hartzheim|
+------------------------------+
only showing top 5 rows
http://spark.apache.org/docs/2.0.0/api/python/pyspark.sql.html#module-pyspark.sql.functions