def verifyPk(self, database, table, columns):
registros = self.dicDB[database][table][0].registros()
tmp = bt.arbolB(self.grade)
for i in registros:
pk = ""
for j in columns:
pk += str(i[j]) + "_"
pk = pk[:-1]
tmp.insertar([pk, i])
return self.searchRepeat(tmp.Keys())
def updateTree(self, database, table):
registros = self.dicDB[database][table][0].registros()
tmp = bt.arbolB(self.grade)
for i in registros:
pk = ""
for j in self.dicDB[database][table][2]:
pk += str(i[j]) + "_"
pk = pk[:-1]
tmp.insertar([pk, i])
self.dicDB[database][table][0] = tmp
def truncate(self, database, table):
try:
if self.searchDB(database):
if self.searchTB(database, table):
try:
self.dicDB[database][table][0] = bt.arbolB(self.grade)
return 0
except:
return 1
return 3
return 2
except:
return 1
def alterDropPK(database: str, table: str) -> int:
try:
b.dicDB[database][table][0] = serializar.rollback(database + "-" +
table + "-B")
except:
pass
r = b.alterDropPK(database, table)
try:
b.dicDB[database][table][0] = bt.arbolB(b.grade)
serializar.commit(b, "BDD")
except:
pass
return r
def alterAddColumn(database: str, table: str, default: any) -> int:
try:
b.dicDB[database][table][0] = serializar.rollback(database + "-" +
table + "-B")
except:
pass
r = b.alterAddColumn(database, table, default)
try:
b.dicDB[database][table][0] = bt.arbolB(b.grade)
serializar.commit(b, "BDD")
except:
pass
return r
def delete(database: str, table: str, columns: list) -> int:
try:
b.dicDB[database][table][0] = serializar.rollback(database + "-" +
table + "-B")
except:
pass
r = b.delete(database, table, columns)
try:
serializar.commit(b.dicDB[database][table][0],
database + "-" + table + "-B")
b.dicDB[database][table][0] = bt.arbolB(b.grade)
serializar.commit(b, "BDD")
except:
pass
return r
def loadCSV(file: str, database: str, table: str) -> list:
try:
b.dicDB[database][table][0] = serializar.rollback(database + "-" +
table + "-B")
except:
pass
r = b.loadCSV(file, database, table)
try:
serializar.commit(b.dicDB[database][table][0],
database + "-" + table + "-B")
b.dicDB[database][table][0] = bt.arbolB(b.grade)
serializar.commit(b, "BDD")
except:
pass
return r
def insert(database: str, table: str, register: list) -> int:
try:
b.dicDB[database][table][0] = serializar.rollback(database + "-" +
table + "-B")
except:
pass
r = b.insert(database, table, register)
try:
serializar.commit(b.dicDB[database][table][0],
database + "-" + table + "-B")
b.dicDB[database][table][0] = bt.arbolB(b.grade)
serializar.commit(b, "BDD")
except:
pass
return r
def createTable(self, database, table, numberColumns):
if self.identify(database) and self.identify(table):
if self.searchDB(database):
if self.searchTB(database, table):
return 3
else:
if self.identify(table):
try:
self.dicDB.get(database)[table] = [
bt.arbolB(self.grade),
int(numberColumns), None
]
return 0
except:
return 1
return 1
return 2
return 1