for i in range(0, 1000):
key = 92106429 + randint(0, 9000)
while key in records:
key = 92106429 + randint(0, 9000)
records[key] = [
key,
randint(0, 20),
randint(0, 20),
randint(0, 20),
randint(0, 20)
]
query.insert(*records[key])
print('inserted', records[key])
for key in records:
record = query.select(key, [1, 1, 1, 1, 1])[0]
error = False
for i, column in enumerate(record.columns):
if column != records[key][i]:
error = True
if error:
print('select error on', key, ':', record, ', correct:', records[key])
else:
print('select on', key, ':', record)
for key in records:
updated_columns = [None, None, None, None, None]
for i in range(1, grades_table.num_columns):
value = randint(0, 20)
updated_columns[i] = value
original = records[key].copy()
[None, randrange(0, 100), None, None, None],
[None, None, randrange(0, 100), None, None],
[None, None, None, randrange(0, 100), None],
[None, None, None, None, randrange(0, 100)],
]
update_time_0 = process_time()
for i in range(0, 10000):
query.update(choice(keys), *(choice(update_cols)))
update_time_1 = process_time()
print("Updating 10k records took: \t\t\t", update_time_1 - update_time_0)
# Measuring Select Performance
select_time_0 = process_time()
for i in range(0, 10000):
query.select(choice(keys), [1, 1, 1, 1, 1])
select_time_1 = process_time()
print("Selecting 10k records took: \t\t\t", select_time_1 - select_time_0)
# Measuring Aggregate Performance
agg_time_0 = process_time()
for i in range(0, 10000, 100):
query.sum(i, 100, randrange(0, 5))
agg_time_1 = process_time()
print("Aggregate 10k of 100 record batch took:\t", agg_time_1 - agg_time_0)
# Measuring Delete Performance
delete_time_0 = process_time()
for i in range(0, 10000):
query.delete(906659671 + i)
delete_time_1 = process_time()
grades_table.index.create_index(4)
for i in range(0, 1000):
key = 92106429 + i
records[key] = [key, randint(0, 20), randint(0, 20), randint(0, 20), randint(0, 20)]
query.insert(*records[key])
keys = sorted(list(records.keys()))
print("Insert finished")
for c in range(5):
_keys = list(set(records[record][c] for record in records))
index = {v: [records[record] for record in records if records[record][c] == v] for v in _keys}
for key in _keys:
results = query.select(key, c, [1, 1, 1, 1, 1])
error = False
if len(results) != len(index[key]):
error = True
if not error:
for record in index[key]:
if record not in results:
error = True
break
if error:
print('select error on', key, ', column', c,':', results, ', correct:', index[key])
print("Select finished")
for _ in range(10):
for key in keys:
updated_columns = [None, None, None, None, None]