def db_pair_test():
print 'create database with capacity 100000 test is started..\n'
open(os.getcwd() + '/storage/student.txt', 'wb').close()
db = Table(filename=os.getcwd() + '/storage/student.txt',
type=student,
index_attrs=['name'],
key_sizes=[26])
# studs = get_shuffled_dataset()
print('loading dataset')
pairs = []
size = 1000
for i in range(size):
p = pair(id=i, id1=i, id2=i)
pairs.append(p)
i = 0
for p in pairs:
with Profiler() as p:
db.put(p.get_key(), p)
i += 1
if i % 50 == 0:
print('#', i)
# print(db.get('581200', 1))
# print(db.trees['name']['Matthew Cervantes'])
db.save()
def db_test():
print 'create database with capacity 100000 test is started..\n'
open(os.getcwd() + '/storage/student.txt', 'wb').close()
open(os.getcwd() + '/times.txt', 'wb').close()
db = Table(filename=os.getcwd() + '/storage/student.txt',
type=student,
index_attrs=['name'],
key_sizes=[26])
# studs = get_shuffled_dataset()
print('loading dataset')
studs = get_shuffled_million()
i = 0
for stud in studs[:10000]:
with Profiler() as p:
db.put(stud.get_key(), stud)
i += 1
if i % 50 == 0:
print('#', i)
db.b_index()
for index in db.index_attrs:
tree = db.trees[index]
# print(db.get('581200', 1))
# print(db.trees['name']['Matthew Cervantes'])
db.save()
def db_pair_test():
print 'create database with capacity 100000 test is started..\n'
open(os.getcwd() + '/storage/student.txt', 'wb').close()
db = Table(filename=os.getcwd() + '/storage/student.txt', type=student, index_attrs=['name'], key_sizes=[26])
# studs = get_shuffled_dataset()
print('loading dataset')
pairs = []
size = 1000
for i in range(size):
p = pair(id = i, id1 = i, id2 = i)
pairs.append(p)
i = 0
for p in pairs:
with Profiler() as p:
db.put(p.get_key(), p)
i += 1
if i % 50 == 0:
print('#', i)
# print(db.get('581200', 1))
# print(db.trees['name']['Matthew Cervantes'])
db.save()
def db_test():
print 'create database with capacity 100000 test is started..\n'
open(os.getcwd() + '/storage/student.txt', 'wb').close()
open(os.getcwd() + '/times.txt', 'wb').close()
db = Table(filename=os.getcwd() + '/storage/student.txt', type=student, index_attrs=['name'], key_sizes=[26])
# studs = get_shuffled_dataset()
print('loading dataset')
studs = get_shuffled_million()
i = 0
for stud in studs[:10000]:
with Profiler() as p:
db.put(stud.get_key(), stud)
i += 1
if i % 50 == 0:
print('#', i)
db.b_index()
for index in db.index_attrs:
tree = db.trees[index]
# print(db.get('581200', 1))
# print(db.trees['name']['Matthew Cervantes'])
db.save()
def load_author_names():
conn = psycopg2.connect(
"dbname='citadel' user='******' host='localhost' password=''")
cur = conn.cursor()
cur.execute("select * from author_names")
rows = cur.fetchall()
print("\nShow me the databases:\n")
from relations.edges import edge
open(os.getcwd() + '/storage/edge.txt', 'wb').close()
db = Table(filename=os.getcwd() + '/storage/author_names.txt',
type=edge,
index_attrs=['name'],
key_sizes=[26])
i = 1
for row in rows:
el = author_name(id=row[0], name=row[1])
db.put(el.get_key(), el)
i += 1
if i % 1000 == 0:
print("i=", i)
print("storing records is done, b_index started..")
db.b_index()
db.save()
print("database created and saved")