def process(self, instruction):
typeChecker = TypeChecker()
nombreTabla = self._table_name.alias
noCols = self.numberOfColumns(self._column_list)
resTab = typeChecker.createTable(nombreTabla, noCols, 0,
0) # TODO add line and column
# Si devuelve None es porque ya existe la tabla
if resTab == None:
return
# Agrega las propiedades que agrupan a varias columnas
self.generetaExtraProp()
# Genera las tablas ya con todas sus propiedades
self.generateColumns(nombreTabla, typeChecker)
# Si tiene inherits la manoseamos
if self._inherits_from != None:
self.addInherits(nombreTabla, self._inherits_from)
# Si ocurrio algun error en todo el proceso mato la tabla
if self._can_create_flag == False:
typeChecker.deleteTable(nombreTabla, 0, 0)
return
# Verifico si tiene llave primaria la tabla o si le meto una escondida
# if self.existsPK(nombreTabla) == 0:
# self.generateHiddenPK(nombreTabla)
# Agrego llaves primarias a la base de datos si no hubo clavo con la tabla
self.addPKToDB(nombreTabla)
def agregarNuevoTipo(self, tablaAMod, colAMod, nuevoTipo):
typeChecker = TypeChecker()
bandera = False
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
tablaAMod)
tipoFinal = {
'_tipoColumna': str(nuevoTipo._tipoColumna),
'_paramOne': nuevoTipo._paramOne,
'_paramTwo': nuevoTipo._paramTwo
}
for columna in tableToAlter.columns:
if (columna._name == colAMod):
bandera = True
columna._dataType = tipoFinal
break
if not bandera:
desc = f": Undefined column in alter type ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
typeChecker.writeFile()
pass
def agregarCheck(self, conditionColumn, tablaId):
typeChecker = TypeChecker()
bandera = False
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
tablaId)
# L (L|D)*
whatColumnIs = re.search('[a-zA-z]([a-zA-z]|[0-9])*',
conditionColumn.alias)
if whatColumnIs != None:
whatColumnIs = whatColumnIs.group(0)
for columna in tableToAlter.columns:
if (columna._name == whatColumnIs):
bandera = True
columna._check = conditionColumn.alias
break
if not bandera:
desc = f": Undefined column in alter check ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
else:
desc = f": column not given in check()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
typeChecker.writeFile()
def process(self, instrucction):
typeChecker = TypeChecker()
database = typeChecker.searchDatabase(self._database_name)
if self._if_exists and not database:
return
typeChecker.deleteDatabase(self._database_name, self._noLine,
self._noColumn)
def existsPK(self, tableCreated):
indicesPrimarios = 0
typeChecker = TypeChecker()
tablaToExtract = typeChecker.searchTable(SymbolTable().useDatabase,
tableCreated)
for colExt in tablaToExtract._colums:
if colExt._primaryKey == True:
indicesPrimarios += 1
return indicesPrimarios
def process(self, instrucction):
typeChecker = TypeChecker()
database = typeChecker.searchDatabase(self._dbActual)
if not database:
desc = f": Database {self._dbActual} does not exist"
ErrorController().add(35, 'Execution', desc,
self._noLine, self._noColumn)
return
SymbolTable().useDatabase = database
DataWindow().consoleText('Query returned successfully: USE DATABASE')
def addPKToDB(self, tableCreated):
indicesPrimarios = []
typeChecker = TypeChecker()
tablaToExtract = typeChecker.searchTable(SymbolTable().useDatabase,
tableCreated)
for colExt in tablaToExtract._colums:
if colExt._primaryKey == True:
indicesPrimarios.append(colExt._number)
if len(indicesPrimarios) == 0:
pass
else:
DataController().alterAddPK(tableCreated, indicesPrimarios, 0, 0)
def generateHiddenPK(self, nombreTabla):
typeChecker = TypeChecker()
tipoEscondido = {
'_tipoColumna': 'HIDDEN',
'_paramOne': None,
'_paramTwo': None
}
columnaEscondida = Column('HIDDEN', tipoEscondido)
columnaEscondida._primaryKey = True
tableToInsert = typeChecker.searchTable(SymbolTable().useDatabase,
nombreTabla)
typeChecker.createColumnTable(tableToInsert, columnaEscondida, 0, 0)
print('### SE HA GENERADO UNA LLAVE PRIMARIA ESCONDIDA')
def extractTable(self, name: str, noLine, noColumn) -> list:
"""
Method to get a list of records from a table
:param name: The name of table
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns a list of records
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return None
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return None
# TODO Revisar Esto didier, que con lower me da problema al buscar tablas y base de datos
data = data_mode(database.mode).extractTable(database.name.lower(),
name.lower())
if data == None:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
return None
return data
def extractRow(self, name: str, columns: list, noLine, noColumn) -> list:
"""
Method to extract a record from a table
:param name: The name of table
:param columns: List with number of columns of primary keys
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns nothing
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return None
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return None
data = data_mode(database.mode).extractRow(database.name.lower(),
name.lower(), columns)
if data == None:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
return None
return data
def agregarCol(self, columna, nombreTabla):
typeChecker = TypeChecker()
tipoFinal = {
'_tipoColumna': str(columna._type_column._tipoColumna),
'_paramOne': columna._type_column._paramOne,
'_paramTwo': columna._type_column._paramTwo
}
columnaFinal = Column(columna._column_name, tipoFinal)
tableToInsert = typeChecker.searchTable(SymbolTable().useDatabase,
nombreTabla)
validateCol = typeChecker.createColumnTable(tableToInsert,
columnaFinal, 0, 0)
# if return None an error ocurrio
if validateCol == None:
return
def addForeignKey(self, listaCols, nombreTabla, listaTablasCols):
# the len of the cols must be de same
if len(listaCols) != len(listaTablasCols):
desc = f": cant of params in foreign() != "
ErrorController().add(36, 'Execution', desc, 0, 0)
self._can_create_flag = False
return
typeChecker = TypeChecker()
existForeingTable = typeChecker.searchTable(SymbolTable().useDatabase,
nombreTabla)
# validate if the foreign table exists
if existForeingTable == None:
desc = f": Undefined table in foreign key ()"
ErrorController().add(27, 'Execution', desc, 0, 0)
self._can_create_flag = False
return
# validate if the columns exists in the foreign table
for coli in listaTablasCols:
if typeChecker.searchColumn(existForeingTable, coli) == None:
desc = f": Undefined col in table in foreign key ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
self._can_create_flag = False
return
bandera = False
for x in range(0, len(listaCols)):
for columna in self._column_list:
if isinstance(columna, CreateCol):
if (columna._column_name == listaCols[x]):
if columna._properties != None:
bandera = True
columna._properties[0]['fk_references_to'] = {
'_refTable': nombreTabla,
'_refColumn': listaTablasCols[x]
}
break
if not bandera:
desc = f": Undefined column in foreign key ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
self._can_create_flag = False
return
bandera = False
def agregarNotNull(self, tablaAMod, colAMod):
typeChecker = TypeChecker()
bandera = False
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
tablaAMod)
for columna in tableToAlter.columns:
if (columna._name == colAMod):
bandera = True
columna._notNull = True
break
if not bandera:
desc = f": Undefined column in alter not null ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
typeChecker.writeFile()
def eliminarColumna(self, nombreTabla, nombreColumna):
typeChecker = TypeChecker()
bandera = False
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
nombreTabla)
for columna in tableToAlter.columns:
if (columna._name == nombreColumna):
bandera = True
# typeChecker.deleteColumn(tableToAlter,columna,0,0)
break
if not bandera:
desc = f": Undefined column in alter drop column ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
pass
def process(self, instrucction):
typeChecker = TypeChecker()
bandera = False
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
instrucction)
for columna in tableToAlter.columns:
if (columna._name == self._oldName):
bandera = True
columna._name = self._newName
break
if not bandera:
desc = f": Undefined column in rename column ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
typeChecker.writeFile()
def searchTableIndex(self, tabla, linea, column):
database_id = SymbolTable().useDatabase
lista = []
if not database_id:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, linea,
column) # manejar linea y columna
return False
# Base de datos existe --> Obtener tabla
table_tp = TypeChecker().searchTable(database_id, tabla)
if not table_tp:
desc = f": Table does not exists"
ErrorController().add(4, 'Execution', desc, linea,
column) # manejar linea y columna
return False
table_cont = DataController().extractTable(tabla, linea, column)
headers = TypeChecker().searchColumnHeadings(table_tp)
return True
def addInherits(self, nameChildTable, nameParentTable):
typeChecker = TypeChecker()
tablaPadre = typeChecker.searchTable(SymbolTable().useDatabase,
nameParentTable)
tablaHija = typeChecker.searchTable(SymbolTable().useDatabase,
nameChildTable)
# La tabla de la que hereda no existe
if tablaPadre == None:
desc = f": parent table dont exists"
ErrorController().add(27, 'Execution', desc, 0, 0)
self._can_create_flag = False
return
for colPar in tablaPadre._colums:
# Vamos a insertar en la hija
validarCol = typeChecker.createColumnTable(tablaHija, colPar, 0, 0)
# Si es una columna repetida entonces no puede crear la tabla
if validarCol == None:
self._can_create_flag = False
return
def validateValues(self, array_values: list):
database_id = SymbolTable().useDatabase
table_tp = TypeChecker().searchTable(database_id, self.table.alias)
headers = TypeChecker().searchColumnHeadings(table_tp)
if len(headers) != len(array_values):
desc = "Error Datos incompletos"
ErrorController().add(28, 'Execution', desc, self.line, self.column)
return False
checker = CreateTB(None, None, None, None)
dic = dict(zip(headers, array_values))
for index, name_col in enumerate(headers):
column = TypeChecker().searchColumn(table_tp, name_col).__dict__
is_correct = checker.validateType(
column['_dataType'], array_values[index], False)
if not is_correct:
desc = f'Valor no valido para la columna {name_col}'
ErrorController().add(9, 'Execution', desc, self.line, self.column)
return False
if not realizeCheck(column, dic, self.line, self.column):
return False
return True
def alterAddPK(self, name: str, columns: list, noLine, noColumn):
"""
Method to define primary keys to a database
:param name: The name of table
:param columns: List with number of columns
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns nothing
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return
table = TypeChecker().searchTable(database, name)
if not table:
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return
dbStatement = data_mode(database.mode).alterAddPK(
database.name.lower(), name.lower(), columns)
if dbStatement == 0:
for col in table.columns:
if col.number in columns:
col.primaryKey = True
DataWindow().consoleText(
'Query returned successfully: Alter Table add PK')
elif dbStatement == 1:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
elif dbStatement == 2:
desc = f": Database {database.name} does not exist"
ErrorController().add(35, 'Execution', desc, noLine, noColumn)
elif dbStatement == 3:
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
elif dbStatement == 4:
desc = f": Multiple primary keys for table {database.name} are not allowed"
ErrorController().add(36, 'Execution', desc, noLine, noColumn)
elif dbStatement == 5:
desc = f": Column of relation {name} does not exist"
ErrorController().add(26, 'Execution', desc, noLine, noColumn)
def process(self, instruction):
typeChecker = TypeChecker()
print('')
print('VAMOS A MODIFICAR LA SIGUIENTE TABLA')
print(self._tablaAModificar)
existTable = typeChecker.searchTable(SymbolTable().useDatabase,
self._tablaAModificar)
# validate if the table to alter exists
if existTable == None:
desc = f": Undefined table in alter table"
ErrorController().add(27, 'Execution', desc, 0, 0)
return
print('y estos son los cambios')
# Cambio puede ser un add (column,check,constraint_unique,foreign_key)
# un alter
# un drop
# un rename
for cambio in self._listaCambios:
cambio.process(self._tablaAModificar)
def update(self, name: str, register: dict, columns: list, noLine,
noColumn):
"""
Method to update a record from a table
:param name: The name of table
:param register: Dictionary where the key is the column number and the value the data
:param columns: List with number of columns of primary keys
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns nothing
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return None
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return None
dbStatement = data_mode(database.mode).update(database.name.lower(),
name.lower(), register,
columns)
if dbStatement == 0:
DataWindow().consoleText('Query returned successfully: UPDATE')
elif dbStatement == 1:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
elif dbStatement == 2:
desc = f": Database {database.name} does not exist"
ErrorController().add(35, 'Execution', desc, noLine, noColumn)
elif dbStatement == 3:
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
elif dbStatement == 4:
desc = f": Primary key does not exist"
ErrorController().add(34, 'Execution', desc, noLine, noColumn)
def agregarFk(self, listaCols, nombreTabla, listaTablasCols, tablaAAlter):
typeChecker = TypeChecker()
# the len of the cols must be de same
if len(listaCols) != len(listaTablasCols):
desc = f": cantidad of params in foreign() != "
ErrorController().add(36, 'Execution', desc, 0, 0)
return
existForeingTable = typeChecker.searchTable(SymbolTable().useDatabase,
nombreTabla)
tableToAlter = typeChecker.searchTable(SymbolTable().useDatabase,
tablaAAlter)
# validate if the foreign table exists
if existForeingTable == None:
desc = f": Undefined table in foreign key ()"
ErrorController().add(27, 'Execution', desc, 0, 0)
return
# validate if the columns exists in the foreign table
for coli in listaTablasCols:
if typeChecker.searchColumn(existForeingTable, coli) == None:
desc = f": Undefined col in table in foreign key ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
for x in range(0, len(listaCols)):
for columna in tableToAlter.columns:
if (columna._name == listaCols[x]):
bandera = True
columna._foreignKey = {
'_refTable': nombreTabla,
'_refColumn': listaTablasCols[x]
}
break
if not bandera:
desc = f": Undefined column in alter foreign key ()"
ErrorController().add(26, 'Execution', desc, 0, 0)
return
bandera = False
typeChecker.writeFile()
def alterDropPK(self, name: str, noLine, noColumn):
"""
Method to remove primary key
:param name: The name of table
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns nothing
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return
dbStatement = data_mode(database.mode).alterDropPK(
database.name.lower(), name.lower())
if dbStatement == 0:
DataWindow().consoleText(
'Query returned successfully: Alter Table drop PK')
elif dbStatement == 1:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
elif dbStatement == 2:
desc = f": Database {database.name} does not exist"
ErrorController().add(35, 'Execution', desc, noLine, noColumn)
elif dbStatement == 3:
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
elif dbStatement == 4:
desc = f": Column of relation {name} does not exist"
ErrorController().add(26, 'Execution', desc, noLine, noColumn)
def extractRangeTable(self, name: str, number: int, lower: any, upper: any,
noLine, noColumn) -> list: # TODO terminar
"""
Method to get a range of records from a table
:param name: The name of table
:param number: The column number
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns a list of records
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return None
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
def process(self, instrucction):
typeChecker = TypeChecker()
database = typeChecker.searchDatabase(self._properties['id'])
if database:
if self._properties['if_not_exists']:
return
if self._replace:
typeChecker.deleteDatabase(database.name, self._noLine,
self._noColumn)
# TODO Verificar permisos y modo
database = Database(self._properties['id'])
for permits in self._properties['listpermits']:
if 'MODE' in permits:
database.mode = permits['MODE']
typeChecker.createDatabase(database, self._noLine,
self._noColumn)
def truncate(self, name: str, noLine, noColumn):
"""
Method to delete a record from a table
:param name: The name of table
:param noLine: The instruction line
:param noColumn: The instruction column
:return: Returns nothing
"""
database = SymbolTable().useDatabase
if not database:
desc = f": Database not selected"
ErrorController().add(4, 'Execution', desc, noLine, noColumn)
return None
if not TypeChecker().searchTable(database, name):
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
return None
dbStatement = data_mode(database.mode).truncate(
database.name.lower(), name.lower())
if dbStatement == 0:
DataWindow().consoleText('Query returned successfully: TRUNCATE')
elif dbStatement == 1:
ErrorController().add(34, 'Execution', '', noLine, noColumn)
elif dbStatement == 2:
desc = f": Database {database.name} does not exist"
ErrorController().add(35, 'Execution', desc, noLine, noColumn)
elif dbStatement == 3:
desc = f": Table {name} does not exist"
ErrorController().add(27, 'Execution', desc, noLine, noColumn)
def process(self, instrucction):
typeChecker = TypeChecker()
typeChecker.deleteTable(self._table_name, self._noLine, self._noColumn)
def process(self, instrucction):
if self._alterType == 1:
TypeChecker().updateDatabase(self._oldValue, self._newValue,
self._noLine, self._noColumn)
elif self._alterType == 2:
pass
class TypeCheckerReport(object):
def __init__(self):
self._typeChecker = TypeChecker()
self._data = ''
def generateReport(self):
self._data = 'digraph {\n\ttbl [\n\tshape=plaintext\n\tlabel=<'
self._data += '\n\t\t<table border=\'0\' cellborder=\'1\' color=\'#324960\' cellspacing=\'0\'>'
self.generateDatabases()
self._data += '\n\t\t</table>\n\t>];\n}'
return self._data
def generateDatabases(self):
databases = self._typeChecker.getList()
for db in databases:
self._data += '\n\t\t\t<tr>'
self._data += '\n\t\t\t\t<td bgcolor="#324960" colspan=\'10\' SIDES=\"TB\">'
self._data += f"\n\t\t\t\t\t<font color=\"white\">DATABASE: {db.name}</font>"
self._data += '\n\t\t\t\t</td>'
self._data += '\n\t\t\t\t<td bgcolor="#324960" colspan=\'1\' SIDES=\"TB\">'
self._data += f"\n\t\t\t\t\t<font color=\"white\">MODE: {db.mode}</font>"
self._data += '\n\t\t\t\t</td>'
self._data += '\n\t\t\t</tr>'
self.generateTables(db)
self._data += '\n\t\t\t<tr>\n\t\t\t\t<td colspan=\'11\' SIDES="T"> </td>\n\t\t\t</tr>'
def generateTables(self, database):
for tb in database.tables:
self._data += '\n\t\t\t<tr>\n\t\t\t\t<td bgcolor="#4fc3a1" colspan=\'11\' SIDES="LR">'
self._data += f"\n\t\t\t\t\t<font color=\"white\">TABLE: {tb.name}</font>"
self._data += '\n\t\t\t\t</td>\n\t\t\t</tr>'
self.generateColumns(tb)
def generateColumns(self, table):
self._data += '\n\t\t\t<tr>'
self.dataHeaderCol('Number')
self.dataHeaderCol('Name')
self.dataHeaderCol('Data Type')
self.dataHeaderCol('Length')
self.dataHeaderCol('Default')
self.dataHeaderCol('Not Null')
self.dataHeaderCol('Unique')
self.dataHeaderCol('Constraint')
self.dataHeaderCol('Check')
# self.dataHeaderCol('Auto Increment')
self.dataHeaderCol('Primary Key')
self.dataHeaderCol('Foreign Key')
self._data += '\n\t\t\t</tr>'
for col in table.columns:
self._data += '\n\t\t\t<tr>'
self.dataCol(col.number)
self.dataCol(col.name)
self.dataCol(col.dataType)
self.dataCol(col.length)
self.dataCol(col.default)
self.dataCol(col.notNull)
self.dataCol(col.unique)
self.dataCol(col.constraint)
self.dataCol(col.check)
# self.dataCol(col.autoincrement)
self.dataCol(col.primaryKey)
self.dataCol(col.foreignKey)
self._data += '\n\t\t\t</tr>'
def dataHeaderCol(self, name):
self._data += f"\n\t\t\t\t<td SIDES=\"B\"><b> {name} </b></td>"
def dataCol(self, data):
self._data += f"\n\t\t\t\t<td SIDES=\"B\">{data}</td>"
def __init__(self):
self._typeChecker = TypeChecker()
self._data = ''