print(records[key])
print(records[key])
for key in keys:
record = query.select(key, 0, [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])
print("Select finished")
deleted_keys = sample(keys, 100)
for key in deleted_keys:
query.delete(key)
records.pop(key, None)
for i in range(0, 100):
r = sorted(sample(range(0, len(keys)), 2))
column_sum = sum(
map(lambda x: records[x][0]
if x in records else 0, keys[r[0]:r[1] + 1]))
result = query.sum(keys[r[0]], keys[r[1]], 0)
if column_sum != result:
print('sum error on [', keys[r[0]], ',', keys[r[1]], ']: ', result,
', correct: ', column_sum)
print("Aggregate finished")
db.close()
from template.db import Database
from template.query import Query
import os
'''
READ ME!!
Before using this demo, be sure that the Tail_Const is set to a value high enough
to guaranteed that all updates are contained within the same block.
config.py -> TAIL_CONST = 4
This program is meant to run sequentially through all parts starting with an empty ECS165
directory.
'''
db2 = Database()
db2.open("ECS165")
#db2.open()
print(db2)
g_table = db2.get_table('Grades')
q = Query(g_table)
rec3 = q.select(92106429, 0, [1, 1, 1, 1, 1])[0]
rec4 = q.select(92106430, 0, [1, 1, 1, 1, 1])[0]
print("Rec = ", rec3)
print("Rec2 = ", rec4)
rec3f = q.selectFull(92106429, 0)
rec4f = q.selectFull(92106430, 0)
print("Rec_full = ", rec3f)
print("Rec2_full = ", rec4f)
db2.close()