pyspark, create struct from columns

pyspark, create struct from columns.py

# simple example, create struct
import pyspark.sql.functions as F
df = [[1, 'mplah', 'gogo'], [2, 'mplah2', 'gogo2'], [3, 'mplah3', 'gogo3']]
df = spark.createDataFrame(df, schema=['x', 'y', 'z'])
res = df.select(F.col('x'), F.struct(F.col('x').alias('_x'), F.col('y').alias('_y')).alias('_xy'))
res.show()
# |  x|        _xy|
# +---+-----------+
# |  1| {1, mplah}|
# |  2|{2, mplah2}|
# |  3|{3, mplah3}|
# +---+-----------+
res.printSchema()
# root
#  |-- x: long (nullable = true)
#  |-- _xy: struct (nullable = false)
#  |    |-- _x: long (nullable = true)
#  |    |-- _y: string (nullable = true)