def createTable(self, tableName, numberColumns):
salida = self.Buscar(tableName)
if salida[0]:
return 3
else:
try:
if re.search(table_name_pattern, tableName):
self.list_table.append(tableName)
temp = Tabla.Tabla(tableName, numberColumns)
serealizar.commit(temp, tableName, self.main_path)
return 0
else:
return 1
except:
return 1
def alterTable(self, tableOld, tableNew):
salida = self.Buscar(tableOld)
if salida[0]:
try:
temp = serealizar.rollback(tableOld, self.main_path)
comprobar = self.Buscar(tableNew)
if comprobar[0] == False:
if re.search(table_name_pattern, tableOld) and re.search(
table_name_pattern, tableNew):
os.remove(self.main_path + "\\" + tableOld + ".bin")
self.list_table[salida[1]] = tableNew
temp.alterTable(tableNew)
serealizar.commit(temp, tableNew, self.main_path)
return 0
else:
return 1
else:
return 4
except:
return 1
else:
return 3
def Guardar(self):
serealizar.commit(self.tabla_actual, self.tabla_actual.nombre,
self.main_path)