def alterDatabase(databaseOld, databaseNew) -> int:
try:
retorno = 2
if __buscarLlaveBaseDato(databaseNew) is None:
db = __buscarLlaveBaseDato(databaseOld)
if db is not None:
modoDB = db[0]
if modoDB == "avl":
retorno = avl.alterDatabase(databaseOld, databaseNew)
elif modoDB == "b":
retorno = b.alterDatabase(databaseOld, databaseNew)
elif modoDB == "bplus":
retorno = bPlus.alterDatabase(databaseOld, databaseNew)
elif modoDB == "dict":
retorno = dic.alterDatabase(databaseOld, databaseNew)
elif modoDB == "isam":
retorno = isam.alterDatabase(databaseOld, databaseNew)
elif modoDB == "json":
retorno = json.alterDatabase(databaseOld, databaseNew)
elif modoDB == "hash":
retorno = hash.alterDatabase(databaseOld, databaseNew)
if retorno == 0:
generalDict[databaseNew] = generalDict[databaseOld]
del generalDict[databaseOld]
ser("data/info/datos.bin", generalDict)
return retorno
else:
return 3
except Exception:
return 1
def alterDatabase(databaseOld: str, databaseNew: str) -> int:
if re.search(DB_NAME_PATTERN, databaseOld) and re.search(
DB_NAME_PATTERN, databaseNew):
if databases.search(databaseNew) != None:
return 3
dbs = databases.find_all(databaseOld)
if dbs == []:
return 2
for db in dbs:
if db.mode == "avl":
code = avlMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "b":
code = BMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "bplus":
code = BPlusMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "dict":
code = DictMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "isam":
code = ISAMMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "json":
code = jsonMode.alterDatabase(databaseOld, databaseNew)
elif db.mode == "hash":
code = HashMode.alterDatabase(databaseOld, databaseNew)
if code == 0:
db.name = databaseNew
try:
Serializable.commit(databases, "lista_bases_de_datos")
return 0
except:
db.name = databaseOld
return 1
else:
return 1
def alterDatabase(databaseOld: str, databaseNew: str) -> int:
"""Renames a database
Parameters:\n
databaseOld (str): name of the target database
databaseNew (str): new name of the target database
Returns:\n
0: successful operation
1: an error ocurred
2: non-existent target database
3: new database name occupied
"""
bd = _Buscar(databaseOld)
if bd:
if not _Buscar(databaseNew):
mode = bd[1]
val = -1
if mode == "avl":
val = avl.alterDatabase(databaseOld, databaseNew)
elif mode == "b":
val = b.alterDatabase(databaseOld, databaseNew)
elif mode == "bplus":
val = bplus.alterDatabase(databaseOld, databaseNew)
elif mode == "hash":
val = hash.alterDatabase(databaseOld, databaseNew)
elif mode == "isam":
val = isam.alterDatabase(databaseOld, databaseNew)
elif mode == "json":
val = json.alterDatabase(databaseOld, databaseNew)
elif mode == "dict":
val = dict.alterDatabase(databaseOld, databaseNew)
if val == 0:
posicion = lista_general.index(bd)
bd[0] = databaseNew
lista_general[posicion] = bd
serealizar.commit(lista_general, "cache", _main_path)
return val
else:
return 3
else:
return 2
def alterDatabase(databaseOld: str, databaseNew: str) -> int:
"""Renames a database
Parameters:\n
databaseOld (str): name of the target database
databaseNew (str): new name of the target database
Returns:\n
0: successful operation
1: an error ocurred
2: non-existent target database
3: new database name occupied
"""
bd = _database(databaseOld)
if bd:
if not _database(databaseNew):
mode = bd["modo"]
val = -1
if mode == "avl":
val = avl.alterDatabase(databaseOld, databaseNew)
elif mode == "b":
val = b.alterDatabase(databaseOld, databaseNew)
elif mode == "bplus":
val = bplus.alterDatabase(databaseOld, databaseNew)
elif mode == "hash":
val = hash.alterDatabase(databaseOld, databaseNew)
elif mode == "isam":
val = isam.alterDatabase(databaseOld, databaseNew)
elif mode == "json":
val = json.alterDatabase(databaseOld, databaseNew)
elif mode == "dict":
val = dict.alterDatabase(databaseOld, databaseNew)
if val == 0:
_database(databaseOld)["nombre"]=databaseNew
_Guardar()
return val
else:
return 3
else:
return 2
def alterDatabase(old_db, new_db):
modeDB, indexDB = exist_Alter(old_db)
modeDB_new, indexDB_newDB = exist_Alter(new_db)
if modeDB and modeDB_new is None:
mode = modeDB.get_mode()
if mode.lower().strip() == "avl":
return avl.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "b":
return b.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "bPlus".lower():
return bPlus.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "dict":
return diccionario.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "hash":
return hash.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "isam":
return isam.alterDatabase(old_db, new_db)
elif mode.lower().strip() == "json":
return json.alterDatabase(old_db, new_db)
