script.py

from __future__ import print_function
import random
from copy import copy
import time
import sys

import cx_Oracle

userName=sys.argv[1]
password=sys.argv[2]
connectionString=sys.argv[3]
connection = cx_Oracle.connect(userName, password, connectionString)

tableName="TESTING_PYTHON"
createTableQuery="""
create table {} AS 
		WITH users AS (
			SELECT 'Roland' AS first_name, 'Higgins' AS last_name, 29 AS age FROM dual
			UNION
			SELECT 'Chelsea', 'Watson', 20 FROM dual
			UNION
			SELECT 'Amber', 'Ryan', 27 FROM dual
			UNION
			SELECT 'Michael', 'Jones', 24 FROM dual
			UNION
			SELECT 'Tiana', 'Jones', 28 FROM dual
			UNION
			SELECT 'Violet', 'Sullivan', 20 FROM dual
			UNION
			SELECT 'Dexter', 'Wilson', 29 FROM dual
			UNION
			SELECT 'Sophia', 'Carter', 27 FROM dual
			UNION
			SELECT 'Sienna', 'Johnson', 29 FROM dual
			UNION
			SELECT 'Dexter', 'Carroll', 19 FROM dual
			UNION
			SELECT 'Sarah', 'Casey', 20 FROM dual
			UNION
			SELECT 'Sarah', 'Harris', 20 FROM dual
			UNION
			SELECT 'Amelia', 'Williams', 27 FROM dual
			UNION
			SELECT 'Michael', 'Johnston', 27 FROM dual
			UNION
			SELECT 'Vincent', 'Campbell', 22 FROM dual
			UNION
			SELECT 'David','Morrison', 23 FROM dual
			UNION
			SELECT 'Sydney', 'Barrett', 20 FROM dual
			UNION
			SELECT 'Lucy', 'Richards', 19 FROM dual
			UNION
			SELECT 'Maximilian', 'Bailey', 28 FROM dual
			UNION
			SELECT 'Elian', 'Parker', 24 FROM dual
			UNION
			SELECT 'Olivia', 'Richards', 23 FROM dual
			UNION
			SELECT 'Paul', 'Nelson', 21 FROM dual
			UNION
			SELECT 'Richard', 'Henderson', 23 FROM dual
			UNION
			SELECT 'Sabrina', 'Montgomery', 28 FROM dual
			UNION
			SELECT 'Jessica', 'Turner', 30 FROM dual
			UNION
			SELECT 'Paige', 'Rogers', 25 FROM dual
			UNION
			SELECT 'Walter', 'Bennett', 18 FROM dual
			UNION
			SELECT 'Abraham', 'Clark', 18 FROM dual
			UNION
			SELECT 'Edwin', 'Myers', 30 FROM dual
			UNION
			SELECT 'Maddie', 'Rogers', 28 FROM dual
			UNION
			SELECT 'Daniel', 'Thomas', 21 FROM dual
			UNION
			SELECT 'Chester', 'Brooks', 29 FROM dual
			UNION
			SELECT 'Dale', 'Williams', 18 FROM dual
			UNION
			SELECT 'Aiden', 'Alexander', 18 FROM dual
			UNION
			SELECT 'Eddy', 'Martin', 22 FROM dual
			UNION
			SELECT 'Dainton', 'Roberts', 28 FROM dual
			UNION
			SELECT 'Michael', 'Warren', 20 FROM dual
			UNION
			SELECT 'Rosie', 'Jones', 21 FROM dual
			UNION
			SELECT 'Chester', 'Johnson', 25 FROM dual
			UNION
			SELECT 'Paul', 'Henderson', 18 FROM dual
			UNION
			SELECT 'Frederick', 'Nelson', 23 FROM dual
			UNION
			SELECT 'Adele', 'Carroll', 27 FROM dual
			UNION
			SELECT 'Agata', 'Perkins', 21 FROM dual
			UNION
			SELECT 'Thomas', 'Harris', 20 FROM dual
			UNION
			SELECT 'Amber', 'Reed', 24 FROM dual
			UNION
			SELECT 'Harold', 'Edwards', 25 FROM dual
			UNION
			SELECT 'Leonardo', 'Henderson', 25 FROM dual
			UNION
			SELECT 'Lucas', 'Thomas', 26 FROM dual
			UNION
			SELECT 'Paige', 'Davis', 27 FROM dual
			UNION
			SELECT 'Lucia', 'Douglas', 23 FROM dual
			UNION
			SELECT 'Dale', 'Sullivan', 19 FROM dual
			UNION
			SELECT 'Agata', 'Andrews', 20 FROM dual
			UNION
			SELECT 'Lana', 'Cole', 26 FROM dual
			UNION
			SELECT 'Aiden', 'Grant', 25 FROM dual
			UNION
			SELECT 'Natalie', 'West', 30 FROM dual
			UNION
			SELECT 'Derek', 'Grant', 26 FROM dual
			UNION
			SELECT 'Arthur', 'Watson', 19 FROM dual
			UNION
			SELECT 'Lucy', 'Wilson', 18 FROM dual
			UNION
			SELECT 'Adelaide', 'Dixon', 26 FROM dual
			UNION
			SELECT 'Frederick', 'Baker', 19 FROM dual
			UNION
			SELECT 'Vanessa', 'Kelly', 29 FROM dual
			UNION
			SELECT 'Sarah', 'Rogers', 30 FROM dual
			UNION
			SELECT 'Adison', 'Gibson', 30 FROM dual
			UNION
			SELECT 'Lydia', 'Kelly', 29 FROM dual
			UNION
			SELECT 'Henry', 'Russell', 30 FROM dual
			UNION
			SELECT 'William', 'Bailey', 22 FROM dual
			UNION
			SELECT 'Cherry', 'Martin', 27 FROM dual
			UNION
			SELECT 'Rebecca', 'Hill', 20 FROM dual
			UNION
			SELECT 'Chelsea', 'Taylor', 25 FROM dual
			UNION
			SELECT 'Daryl', 'Richardson', 21 FROM dual
			UNION
			SELECT 'Bruce', 'Warren', 21 FROM dual
			UNION
			SELECT 'Edward', 'Chapman', 18 FROM dual
			UNION
			SELECT 'Sydney', 'Cooper', 18 FROM dual
			UNION
			SELECT 'Aldus', 'Thompson', 24 FROM dual
			UNION
			SELECT 'Amber', 'Chapman', 20 FROM dual
			UNION
			SELECT 'Fiona', 'Davis', 24 FROM dual
			UNION
			SELECT 'Isabella', 'Morgan', 19 FROM dual
			UNION
			SELECT 'Aida', 'Taylor', 28 FROM dual
			UNION
			SELECT 'Isabella', 'Casey', 20 FROM dual
			UNION
			SELECT 'Garry', 'Robinson', 28 FROM dual
			UNION
			SELECT 'James', 'Morgan', 20 FROM dual
			UNION
			SELECT 'Paul', 'Jones', 21 FROM dual
			UNION
			SELECT 'Lydia', 'Johnston', 30 FROM dual
			UNION
			SELECT 'Ryan', 'Cameron', 29 FROM dual
			UNION
			SELECT 'John', 'Anderson', 28 FROM dual
			UNION
			SELECT 'Savana', 'Wright', 30 FROM dual
			UNION
			SELECT 'Edward', 'Spencer', 24 FROM dual
			UNION
			SELECT 'Dexter', 'Ross', 30 FROM dual
			UNION
			SELECT 'Brooke', 'Johnson', 18 FROM dual
			UNION
			SELECT 'Rubie', 'Edwards', 19 FROM dual
			UNION
			SELECT 'Adison', 'Smith', 19 FROM dual
			UNION
			SELECT 'Cadie', 'Nelson', 29 FROM dual
			UNION
			SELECT 'Tyler', 'Parker', 19 FROM dual
			UNION
			SELECT 'Alina', 'Barnes', 18 FROM dual
			UNION
			SELECT 'Belinda', 'Harper', 28 FROM dual
			UNION
			SELECT 'Natalie', 'Foster', 18 FROM dual
			UNION
			SELECT 'Darcy', 'Douglas', 22 FROM dual
			UNION
			SELECT 'Frederick', 'West', 24 FROM dual
			UNION
			SELECT 'Joyce', 'Morgan', 20 FROM dual
			UNION
			SELECT 'Catherine', 'Farrell', 30 FROM dual
		)
		SELECT * from users
""".format(tableName)

cursor = connection.cursor()

try:
	cursor.execute("DROP table {}".format(tableName))
except cx_Oracle.DatabaseError as exc: 
	error, = exc.args
	if(error.code != 942):
		print("An exception occurred running drop table", error.message)

try:
	cursor.execute(createTableQuery)
except cx_Oracle.DatabaseError as exc: 
	error, = exc.args
	print("An exception occurred running create table statement", error.message)

users=[{'lastName': 'Jones', 'age': 21}, {'lastName': 'Johnson', 'age': 27}, {'lastName': 'Casey', 'age': 21}, {'lastName': 'Douglas', 'age': 21}, {'lastName': 'Thompson', 'age': 22}, {'lastName': 'Anderson', 'age': 28}, {'lastName': 'Russell', 'age': 28}, {'lastName': 'Ryan', 'age': 27}, {'lastName': 'Sullivan', 'age': 20}, {'lastName': 'Morgan', 'age': 19}, {'lastName': 'Henderson', 'age': 23}, {'lastName': 'Warren', 'age': 29}, {'lastName': 'Grant', 'age': 29}, {'lastName': 'Morgan', 'age': 29}, {'lastName': 'Rogers', 'age': 30}, {'lastName': 'Parker', 'age': 24}, {'lastName': 'Chapman', 'age': 20}, {'lastName': 'Nelson', 'age': 29}, {'lastName': 'Henderson', 'age': 18}, {'lastName': 'Davis', 'age': 24}]

subQuery="SELECT :age0 AS age, :last_name0 AS last_name FROM dual"

for x in range(1, 30):
	subQuery=subQuery + " UNION SELECT :age{} AS age, :last_name{} AS last_name FROM dual".format(x,x)

query="""WITH users /* testing 1007 */ AS ({subQuery}) SELECT * from {tableName}""".format(subQuery = subQuery, tableName = tableName)
for j in range(100):
	for x, u in enumerate(users):
		copyOfList=copy(users)
		random.shuffle(copyOfList)
		randomNumber=random.randint(1,19)
		partialUsers=users[0:randomNumber]
		binds={}
		for i,user in enumerate(partialUsers):
			binds.update({'last_name'+str(i): user["lastName"], 'age'+str(i): user["age"]})
			
		for i in range(randomNumber, 30):
			binds.update({'last_name'+str(i): "DUMMY", 'age'+str(i):-9})
		try:
			rows = cursor.execute(query, binds)
		except cx_Oracle.DatabaseError as exc: 
			error, = exc.args
			print("An exception occurred running query", error.message)
		print("Finished running query {}'th time".format((j*len(users))+(x+1)))
	time.sleep(j*10)