# -*- coding: utf-8 -*-
"""
Created on Sat Jun 20 07:45:04 2020

@author: NNK
"""

import pyspark
from pyspark.sql import SparkSession
from pyspark.sql.functions import col, asc,desc

spark = SparkSession.builder.appName('SparkByExamples.com').getOrCreate()

simpleData = [("James","Sales","NY",90000,34,10000), \
    ("Michael","Sales","NY",86000,56,20000), \
    ("Robert","Sales","CA",81000,30,23000), \
    ("Maria","Finance","CA",90000,24,23000), \
    ("Raman","Finance","CA",99000,40,24000), \
    ("Scott","Finance","NY",83000,36,19000), \
    ("Jen","Finance","NY",79000,53,15000), \
    ("Jeff","Marketing","CA",80000,25,18000), \
    ("Kumar","Marketing","NY",91000,50,21000) \
  ]
columns= ["employee_name","department","state","salary","age","bonus"]

df = spark.createDataFrame(data = simpleData, schema = columns)

df.printSchema()
df.show(truncate=False)

df.sort("department","state").show(truncate=False)
df.sort(col("department"),col("state")).show(truncate=False)

df.orderBy("department","state").show(truncate=False)
df.orderBy(col("department"),col("state")).show(truncate=False)

df.sort(df.department.asc(),df.state.asc()).show(truncate=False)
df.sort(col("department").asc(),col("state").asc()).show(truncate=False)
df.orderBy(col("department").asc(),col("state").asc()).show(truncate=False)

df.sort(df.department.asc(),df.state.desc()).show(truncate=False)
df.sort(col("department").asc(),col("state").desc()).show(truncate=False)
df.orderBy(col("department").asc(),col("state").desc()).show(truncate=False)


df.createOrReplaceTempView("EMP")
df.select("employee_name",asc("department"),desc("state"),"salary","age","bonus").show(truncate=False)

spark.sql("select employee_name,department,state,salary,age,bonus from EMP ORDER BY department asc").show(truncate=False)