def checkInsert(dbName, tableName, columns, values):
lstErr.clear()
table = S.extractTable(dbName, tableName)
if table == 0:
syntaxPostgreErrors.append("Error: 42000: La base de datos " +
str(dbName) + " no existe")
return ["Error: No existe la base de datos"]
elif table == 1:
syntaxPostgreErrors.append("Error: 42P01: La tabla " +
str(tableName) + " no existe")
return ["Error: No existe la tabla"]
if columns != None:
if len(columns) != len(values):
syntaxPostgreErrors.append(
"Error: 42611: definicion en numero de columnas invalida ")
return ["Columnas fuera de los limites"]
else:
if len(values) != len(table["columns"]):
syntaxPostgreErrors.append(
"Error: 42611: definicion en numero de columnas invalida ")
return ["Columnas fuera de los limites"]
values = S.getValues(table, columns, values)
if not values:
syntaxPostgreErrors.append("Error: 42P10: Columnas no identificadas ")
return ["Error: Columnas no identificadas"]
pks = []
indexCol = 0
for col in table["columns"]:
x = Type.get(col["type"])
value = values[indexCol]
if not isinstance(value, Primitive):
value = Primitive(x, value, 0, 0, 0)
values[indexCol] = value
if col["PK"]:
pks.append(indexCol)
indexCol += 1
# Validar la llave primaria
if pks:
validatePrimary(dbName, tableName, values, pks)
indexCol = 0
for value in values:
column = table["columns"][indexCol]
if value.value != None and value.type != TYPE.NULL:
value.value = convertDateTime(value.value, column["type"])
if column["Unique"]:
validateUnique(dbName, tableName, value.value, indexCol)
if column["FK"] != None:
validateForeign(dbName, column["FK"], value.value)
if column["Constraint"] != None:
validateConstraint(column["Constraint"], values, dbName,
tableName, column["type"])
select(column, value)
else:
value.value = None
validateNotNull(column["NN"], column["name"])
indexCol += 1
return [listError(), values]
def checkValue(dbName, tableName):
lstErr.clear()
table = S.extractTable(dbName, tableName)
if table == 0 and table == 1:
return
for col in table["columns"]:
if col["Default"] != None:
if col["Default"][1] != 9:
value = Primitive(TypeNumber.get(col["Default"][1]),
col["Default"][0], 0, 0, 0)
select(col, value)
if len(lstErr) != 0:
col["Default"] = None
else:
col["Default"] = None
return listError()
def execute(self, environment):
Struct.load()
name = self.idIndex
if self.existIndex(name):
return "Error: ya existe un index con el nombre " + name
table = Struct.extractTable(instruction.dbtemp, self.idTable)
if table == 1 or table == 0:
return ("Error: no existe la tabla " + self.idTable +
" en la base de datos " + instruction.dbtemp)
try:
Index = File.importFile("Index")
indexBody = {}
indexBody["Table"] = self.idTable
indexBody["Unique"] = self.unique
indexBody["Method"] = self.usingMethod
indexBody["Columns"] = []
for c in self.optList:
col = {}
col["Name"] = c[0]
col["Order"] = c[1]
if c[2]:
nulls = c[2][0]
if c[2][1]:
nulls += " " + c[2][1]
else:
if col["Order"] == "DESC":
nulls = "NULLS FIRST"
else:
nulls = "NULLS LAST"
col["Nulls"] = nulls
indexBody["Columns"].append(col)
Index[name] = indexBody
File.exportFile(Index, "Index")
return "Index " + name + " creado"
except:
return "Error fatal"