Value DecimalType::Modulo(const Value& left, const Value &right) const {
PL_ASSERT(GetTypeId() == Type::DECIMAL);
PL_ASSERT(left.CheckComparable(right));
if (left.IsNull() || right.IsNull())
return left.OperateNull(right);
if (right.IsZero()) {
throw Exception(EXCEPTION_TYPE_DIVIDE_BY_ZERO,
"Division by zero.");
}
switch(right.GetTypeId()) {
case Type::TINYINT:
return ValueFactory::GetDecimalValue(ValMod(left.value_.decimal, right.GetAs<int8_t>()));
case Type::SMALLINT:
return ValueFactory::GetDecimalValue(ValMod(left.value_.decimal, right.GetAs<int16_t>()));
case Type::INTEGER:
return ValueFactory::GetDecimalValue(ValMod(left.value_.decimal, right.GetAs<int32_t>()));
case Type::BIGINT:
return ValueFactory::GetDecimalValue(ValMod(left.value_.decimal, right.GetAs<int64_t>()));
case Type::DECIMAL:
return ValueFactory::GetDecimalValue(ValMod(left.value_.decimal, right.GetAs<double>()));
default:
throw Exception("type error");
}
}
Value SmallintType::Modulo(const Value& left, const Value &right) const {
PL_ASSERT(left.CheckInteger());
PL_ASSERT(left.CheckComparable(right));
if (left.IsNull() || right.IsNull())
return left.OperateNull(right);
if (right.IsZero()) {
throw Exception(ExceptionType::DIVIDE_BY_ZERO,
"Division by zero on right-hand side");
}
switch (right.GetTypeId()) {
case TypeId::TINYINT:
return ModuloValue<int16_t, int8_t>(left, right);
case TypeId::SMALLINT:
return ModuloValue<int16_t, int16_t>(left, right);
case TypeId::INTEGER:
case TypeId::PARAMETER_OFFSET:
return ModuloValue<int16_t, int32_t>(left, right);
case TypeId::BIGINT:
return ModuloValue<int16_t, int64_t>(left, right);
case TypeId::DECIMAL:
return ValueFactory::GetDecimalValue(
ValMod(left.value_.smallint, right.GetAs<double>()));
case TypeId::VARCHAR: {
auto r_value = right.CastAs(TypeId::SMALLINT);
return ModuloValue<int16_t, int16_t>(left, r_value);
}
default:
break;
}
throw Exception("type error");
}
Value *IntegerValue::Modulo(const Value &o) const {
CheckInteger();
CheckComparable(o);
if (IsNull() || o.IsNull())
return OperateNull(o);
if (((NumericValue &)o).IsZero()) {
throw Exception(EXCEPTION_TYPE_DIVIDE_BY_ZERO,
"Division by zero.");
}
switch (GetTypeId()) {
case Type::TINYINT:
switch (o.GetTypeId()) {
case Type::TINYINT:
return ModuloValue<int8_t, int8_t>(o);
case Type::SMALLINT:
return ModuloValue<int8_t, int16_t>(o);
case Type::INTEGER:
case Type::PARAMETER_OFFSET:
return ModuloValue<int8_t, int32_t>(o);
case Type::BIGINT:
return ModuloValue<int8_t, int64_t>(o);
case Type::DECIMAL:
return new DecimalValue(ValMod(value_.tinyint, o.GetAs<double>()));
default:
break;
}
case Type::SMALLINT:
switch (o.GetTypeId()) {
case Type::TINYINT:
return ModuloValue<int16_t, int8_t>(o);
case Type::SMALLINT:
return ModuloValue<int16_t, int16_t>(o);
case Type::INTEGER:
case Type::PARAMETER_OFFSET:
return ModuloValue<int16_t, int32_t>(o);
case Type::BIGINT:
return ModuloValue<int16_t, int64_t>(o);
case Type::DECIMAL:
return new DecimalValue(ValMod(value_.smallint, o.GetAs<double>()));
default:
break;
}
case Type::INTEGER:
case Type::PARAMETER_OFFSET:
switch (o.GetTypeId()) {
case Type::TINYINT:
return ModuloValue<int32_t, int8_t>(o);
case Type::SMALLINT:
return ModuloValue<int32_t, int16_t>(o);
case Type::INTEGER:
case Type::PARAMETER_OFFSET:
return ModuloValue<int32_t, int32_t>(o);
case Type::BIGINT:
return ModuloValue<int32_t, int64_t>(o);
case Type::DECIMAL:
return new DecimalValue(ValMod(value_.integer, o.GetAs<double>()));
default:
break;
}
case Type::BIGINT:
switch (o.GetTypeId()) {
case Type::TINYINT:
return ModuloValue<int64_t, int8_t>(o);
case Type::SMALLINT:
return ModuloValue<int64_t, int16_t>(o);
case Type::INTEGER:
case Type::PARAMETER_OFFSET:
return ModuloValue<int64_t, int32_t>(o);
case Type::BIGINT:
return ModuloValue<int64_t, int64_t>(o);
case Type::DECIMAL:
return new DecimalValue(ValMod(value_.bigint, o.GetAs<double>()));
default:
break;
}
default:
break;
}
throw Exception("type error");
}