def insertAlter(database, tabla, numberColumns, mode, listaDatos):
if mode.lower().strip() == "avl":
avl.createTable(database, tabla, numberColumns)
for data in listaDatos:
avl.insert(database, tabla, data)
elif mode.lower().strip() == "b":
b.createTable(database, tabla, numberColumns)
for data in listaDatos:
b.insert(database, tabla, data)
elif mode.lower().strip() == "bPlus".lower():
bPlus.createTable(database, tabla, numberColumns)
for data in listaDatos:
bPlus.insert(database, tabla, data)
elif mode.lower().strip() == "dict":
diccionario.createTable(database, tabla, numberColumns)
for data in listaDatos:
diccionario.insert(database, tabla, data)
elif mode.lower().strip() == "isam":
isam.createTable(database, tabla, numberColumns)
for data in listaDatos:
isam.insert(database, tabla, data)
elif mode.lower().strip() == "hash":
hash.createTable(database, tabla, numberColumns)
for data in listaDatos:
hash.insert(database, tabla, data)
elif mode.lower().strip() == "json":
json.createTable(database, tabla, numberColumns)
for data in listaDatos:
json.insert(database, tabla, data)
def createTable(database: str, table: str, numberColumns: int) -> int:
try:
retorno = 1
db = __buscarLlaveBaseDato(database)
if db is not None:
modoDB = db[0]
if modoDB == "avl":
retorno = avl.createTable(database, table, numberColumns)
elif modoDB == "b":
retorno = b.createTable(database, table, numberColumns)
elif modoDB == "bplus":
retorno = bPlus.createTable(database, table, numberColumns)
elif modoDB == "dict":
retorno = dic.createTable(database, table, numberColumns)
elif modoDB == "isam":
retorno = isam.createTable(database, table, numberColumns)
elif modoDB == "json":
retorno = json.createTable(database, table, numberColumns)
elif modoDB == "hash":
retorno = hash.createTable(database, table, numberColumns)
return retorno
else:
return 2
except Exception:
return 1
def createTable(database: str, table: str, numberColumns: int) -> int:
db = databases.search(database)
if db == None:
return 2
if table in showTables(database):
return 3
if db.mode == "avl":
result = avlMode.createTable(database, table, numberColumns)
elif db.mode == "b":
result = BMode.createTable(database, table, numberColumns)
elif db.mode == "bplus":
result = BPlusMode.createTable(database, table, numberColumns)
elif db.mode == "dict":
result = DictMode.createTable(database, table, numberColumns)
elif db.mode == "isam":
result = ISAMMode.createTable(database, table, numberColumns)
elif db.mode == "json":
result = jsonMode.createTable(database, table, numberColumns)
elif db.mode == "hash":
result = HashMode.createTable(database, table, numberColumns)
if result == 0:
if db.tables.create(table, numberColumns) == 0:
for x in range(5):
try:
Serializable.commit(databases, "lista_bases_de_datos")
return result
except:
continue
return 1
return result
def _createTable(database, table, numberColumns, mode):
val = -1
if mode == "avl":
val = avl.createTable(database, table, numberColumns)
elif mode == "b":
val = b.createTable(database, table, numberColumns)
elif mode == "bplus":
val = bplus.createTable(database, table, numberColumns)
elif mode == "hash":
val = hash.createTable(database, table, numberColumns)
elif mode == "isam":
val = isam.createTable(database, table, numberColumns)
elif mode == "json":
val = json.createTable(database, table, numberColumns)
elif mode == "dict":
val = dict.createTable(database, table, numberColumns)
if val == 0:
_database(database)["tablas"].append({"nombre": table, "modo":mode, "columnas": numberColumns, "pk": []})
_Guardar()
return val
def createTable(database: str, table: str, numberColumns: int) -> int:
"""Creates a table
Parameters:\n
database (str): name of the database
table (str): name of the table
numberColumns (int): number of table columns
Returns:\n
0: successful operation
1: an error ocurred
2: non-existent database
3: table name ocuppied
"""
bd = _Buscar(database)
if bd:
mode = bd[1]
val = -1
if mode == "avl":
val = avl.createTable(database, table, numberColumns)
elif mode == "b":
val = b.createTable(database, table, numberColumns)
elif mode == "bplus":
val = bplus.createTable(database, table, numberColumns)
elif mode == "hash":
val = hash.createTable(database, table, numberColumns)
elif mode == "isam":
val = isam.createTable(database, table, numberColumns)
elif mode == "json":
val = json.createTable(database, table, numberColumns)
elif mode == "dict":
val = dict.createTable(database, table, numberColumns)
return val
else:
return 2
def createTable(database, name_table, number_columns):
ModeDB, indexDB = exist_Alter(database)
if ModeDB:
mode = ModeDB.get_mode()
if mode.lower().strip() == "avl":
return avl.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "b":
return b.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "bPlus".lower():
return bPlus.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "dict":
return diccionario.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "hash":
return hash.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "isam":
return isam.createTable(database, name_table, number_columns)
elif mode.lower().strip() == "json":
return json.createTable(database, name_table, number_columns)
else:
return "f"
def __create_table_sp(database: str, table: str, numberColumns: int,
mode: str) -> int:
dbs = databases.find_all(database)
if dbs == []:
return 2
if mode not in MODES:
return 4
for db in dbs:
if db.mode != mode:
continue
if db.mode == "avl":
result = avlMode.createTable(database, table, numberColumns)
elif db.mode == "b":
result = BMode.createTable(database, table, numberColumns)
elif db.mode == "bplus":
result = BPlusMode.createTable(database, table, numberColumns)
elif db.mode == "dict":
result = DictMode.createTable(database, table, numberColumns)
elif db.mode == "isam":
result = ISAMMode.createTable(database, table, numberColumns)
elif db.mode == "json":
result = jsonMode.createTable(database, table, numberColumns)
elif db.mode == "hash":
result = HashMode.createTable(database, table, numberColumns)
else:
continue
if result == 0:
if db.tables.create(table, numberColumns) == 0:
for x in range(5):
try:
Serializable.commit(databases, "lista_bases_de_datos")
return result
except:
continue
return 1
return result
def createTable(database, table, numColumns):
mode = None
for i in range(7):
mode = obtenerBase(database, i)
if mode == []:
continue
else:
if mode == 0:
mode = "avl"
elif mode == 1:
mode = "b"
elif mode == 2:
mode = "bplus"
elif mode == 3:
mode = "dict"
elif mode == 4:
mode = "isam"
elif mode == 5:
mode = "json"
elif mode == 6:
mode = "hash"
break
if mode == None:
return 2
if mode == "avl":
# Grupo 16
val = avl_mode.createTable(database, table, numColumns)
elif mode == "b":
# Grupo 17
val = b_mode.createTable(database, table, numColumns)
elif mode == "bplus":
# Grupo 18
val = bplus_mode.createTable(database, table, numColumns)
elif mode == "dict":
# Auxiliar
val = dict_mode.createTable(database, table, numColumns)
elif mode == "isam":
# Grupo 14
val = isam_mode.createTable(database, table, numColumns)
elif mode == "json":
# Ingeniero
val = json_mode.createTable(database, table, numColumns)
elif mode == "hash":
# Grupo 15
val = hash_mode.createTable(database, table, numColumns)
else:
val = 3
if val == 0:
global Tablas
try:
# Leemos el archivo binario de los registros de bases de datos
lectura = open("TB_register", "rb")
Tablas = pickle.load(lectura)
try:
Tablas[database].update({table: {"PK": None, "FK": None}})
except:
Tablas.update({database: {table: {"PK": None, "FK": None}}})
# Actualizamos el archivo binario de los registros de bases de datos
escritura = open("TB_register", "wb")
pickle.dump(Tablas, escritura)
escritura.close()
except:
try:
Tablas[database].update({table: {"PK": None, "FK": None}})
except:
Tablas.update({database: {table: {"PK": None, "FK": None}}})
# Actualizamos el archivo binario de los registros de bases de datos
fichero_escritura = open("TB_register", "wb")
pickle.dump(Tablas, fichero_escritura)
fichero_escritura.close()
return val
def __insertarDatosTablas(tablas: list, mode: str, modeOld: str,
database: str, codificacion: str) -> int:
try:
val = 1
retorno = 1
contador = 0
diccionarioLlaves = db =__buscarLlaveBaseDato(database)
diccionarioLlaves = diccionarioLlaves[3]
pk = 6
for x in tablas:
tablas = db[2] #Por si están en un modo nuevo de una tabla
if tablas:
if tablas.get(x) is not None:
modeOld = tablas[x] #fin de lo anterior
valor = __extraerContenidoTabla(x, modeOld, database)
eliminaTabla = dropTable(database, x)
columns = len(valor[0])
if valor is not None:
if valor != []:
cv = __CrearCsvTabla(valor, codificacion)
if cv == 0 and eliminaTabla == 0:
if mode == "avl":
val = avl.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =avl.alterAddPK(database, x, diccionarioLlaves[x])
retorno = avl.loadCSV("data/tablaValor.csv", database, x)
elif mode == "b":
val = b.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =b.alterAddPK(database, x, diccionarioLlaves[x])
retorno = b.loadCSV("data/tablaValor.csv", database, x)
elif mode == "bplus":
val = bPlus.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =bPlus.alterAddPK(database, x, diccionarioLlaves[x])
retorno = bPlus.loadCSV("data/tablaValor.csv", database, x)
elif mode == "dict":
val = dic.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =dic.alterAddPK(database, x, diccionarioLlaves[x])
retorno = dic.loadCSV("data/tablaValor.csv", database, x)
elif mode == "isam":
val = isam.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =isam.alterAddPK(database, x, diccionarioLlaves[x])
retorno = isam.loadCSV("data/tablaValor.csv", database, x)
elif mode == "json":
val = json.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =json.alterAddPK(database, x, diccionarioLlaves[x])
retorno = json.loadCSV("data/tablaValor.csv", database, x)
elif mode == "hash":
val = hash.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =avl.alterAddPK(database, x, diccionarioLlaves[x])
retorno = hash.loadCSV("data/tablaValor.csv", database, x)
contador = contador + 1
else:
if mode == "avl":
val = avl.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =avl.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "b":
val = b.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =b.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "bplus":
val = bPlus.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =bPlus.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "dict":
val = dic.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =dic.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "isam":
val = isam.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =isam.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "json":
val = json.createTable(database, x, columns)
if diccionarioLlaves.get(x) is not None:
pk =json.alterAddPK(database, x, diccionarioLlaves[x])
retorno = [1]
elif mode == "hash":
val = hash.createTable(database, x, columns)
retorno = [1]
if (val == 0 and len(retorno) != 0 and (pk == 6 or pk == 0)) \
or (contador == 0 and val == 0 and (pk == 6 or pk == 0)):
return 0
elif val == 3 and pk == 4:
return 0
else:
return 1
except Exception:
return 1
